Data / Nonprofits / Wisconsin / Animal-related
Animal-related nonprofits in Wisconsin: 744 registered with the IRS
744 animal-related nonprofits are registered with the IRS in Wisconsin, 722 of them 501(c)(3) charities; the 252 that report revenue took in $195.7 million. The most are in Milwaukee (34), Madison (26), Appleton (18). The largest by revenue: Dane County Humane Society ($31.8 million), Wisconsin Humane Society ($18.3 million), International Crane Foundation Inc ($17.7 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Dane County Humane Society | Madison | 501(c)(3) | 1965 | $31.8 million | $39.7 million | 2025-12 |
| Wisconsin Humane Society | Milwaukee | 501(c)(3) | 1941 | $18.3 million | $42.4 million | 2025-09 |
| International Crane Foundation Inc | Baraboo | 501(c)(3) | 1973 | $17.7 million | $71.3 million | 2026-03 |
| Zoological Society of Milwaukee County | Milwaukee | 501(c)(3) | 1956 | $14.1 million | $16.7 million | 2025-12 |
| Humane Animal Welfare Society of Waukesha County Inc | Waukesha | 501(c)(3) | 1968 | $6.1 million | $17.2 million | 2025-06 |
| International Order of T Roosevelt | Marshfield | 501(c)(3) | 1975 | $5.1 million | $8.5 million | 2023-12 |
| Racine Zoological Society | Racine | 501(c)(3) | 1957 | $3.8 million | $8.5 million | 2024-12 |
| Kinnic Falls Alcohol-Drug Abuse Serv Inc | River Falls | 501(c)(3) | 1999 | $3.5 million | $5.1 million | 2025-12 |
| Oshkosh Area Humane Society Inc | Oshkosh | 501(c)(3) | 1992 | $3.4 million | $10.2 million | 2025-05 |
| Cocos Heart Dog Rescue | Somerset | 501(c)(3) | 2012 | $3.1 million | $2.3 million | 2024-12 |
| Lakeshore Humane Society Inc | Manitowoc | 501(c)(3) | 1971 | $2.7 million | $4.5 million | 2025-05 |
| Heartland Farm Sanctuary Inc | Stoughton | 501(c)(3) | 2010 | $2.4 million | $4.1 million | 2025-12 |
| Ridges Sanctuary Inc | Baileys Harbor | 501(c)(3) | 1965 | $2.3 million | $17 million | 2025-12 |
| Humane Society of Sheboygan County Inc | Sheboygan | 501(c)(3) | 1964 | $2.2 million | $10.4 million | 2024-12 |
| The Humane Society of Southern Wisconsin Inc | Janesville | 501(c)(3) | 1960 | $2.1 million | $7 million | 2024-12 |
| Washington County Humane Society Inc | Slinger | 501(c)(3) | 1969 | $1.9 million | $9.4 million | 2024-12 |
| Coulee Region Humane Society Inc | Onalaska | 501(c)(3) | 1974 | $1.9 million | $11.8 million | 2025-12 |
| Ocean Connections Inc | Nashotah | 501(c)(3) | 2018 | $1.9 million | $444,620 | 2025-12 |
| Underdog Pet Rescue of Wisconsin Inc | Madison | 501(c)(3) | 2012 | $1.9 million | $978,343 | 2025-12 |
| Fox Valley Humane Association | Appleton | 501(c)(3) | 1980 | $1.8 million | $2.9 million | 2024-12 |
| Sauk County Humane Society | Baraboo | 501(c)(3) | 1982 | $1.4 million | $1.5 million | 2025-12 |
| Neenah Animal Shelter Inc | Neenah | 501(c)(3) | 1963 | $1.3 million | $4.1 million | 2025-12 |
| Eau Claire Community Humane Association Inc | Eau Claire | 501(c)(3) | 1968 | $1.3 million | $8.7 million | 2024-12 |
| Portage County Humane Society Incorporated | Plover | 501(c)(3) | 1970 | $1.2 million | $1.6 million | 2024-12 |
| Feathered Friends Sanctuary & Rescue Inc | Edgerton | 501(c)(3) | 2011 | $1.2 million | $1.6 million | 2024-12 |
| Elmbrook Humane Society Inc | Brookfield | 501(c)(3) | 1966 | $1.2 million | $9.2 million | 2024-12 |
| Humane Society of Waupaca County Inc | Waupaca | 501(c)(3) | 1998 | $1.1 million | $1.7 million | 2025-03 |
| Shawano County Humane Society Inc | Shawano | 501(c)(3) | 1992 | $1.1 million | $5.7 million | 2024-12 |
| Zoological Society of Milwaukee County Endowment Trust | Milwaukee | 501(c)(3) | 2009 | $1 million | $14.4 million | 2025-12 |
| Saola Foundation | Milwaukee | 501(c)(3) | 2018 | $1 million | $533,996 | 2025-12 |
| Madison Cat Project Inc | Madison | 501(c)(3) | 2005 | $1 million | $1 million | 2025-12 |
| Clark County Humane Society Inc | Neillsville | 501(c)(3) | 1989 | $994,349 | $2.7 million | 2024-12 |
| Watertown Humane Society Inc | Watertown | 501(c)(3) | 1969 | $985,285 | $1.3 million | 2024-12 |
| Humane Society of Jefferson County Inc | Jefferson | 501(c)(3) | 1976 | $961,441 | $4.8 million | 2024-12 |
| Fellow Mortals Inc | Lake Geneva | 501(c)(3) | 1992 | $957,903 | $3.2 million | 2024-12 |
| Angels Wish Inc | Verona | 501(c)(3) | 2000 | $922,737 | $2.4 million | 2024-12 |
| Happily Ever After Animal Sanctuaryinc | Marion | 501(c)(3) | 2006 | $916,712 | $1.8 million | 2024-12 |
| Northwoods Humane Society | Hayward | 501(c)(3) | 1989 | $886,868 | $2.5 million | 2025-10 |
| Stray Dog Support Inc | Kewaskum | 501(c)(3) | 2019 | $870,281 | $308,177 | 2025-12 |
| Humane Society of Marathon County Inc | Wausau | 501(c)(3) | 1967 | $820,625 | $2.8 million | 2025-06 |
| Chippewa County Humane Association Inc | Chippewa FLS | 501(c)(3) | 1983 | $784,898 | $1.2 million | 2025-12 |
| Green County Humane Society Inc | Monroe | 501(c)(3) | 1978 | $779,738 | $3.3 million | 2024-12 |
| Iowa County Humane Society | Dodgeville | 501(c)(3) | 2001 | $749,974 | $3 million | 2025-12 |
| Dunn County Humane Society Inc | Menomonie | 501(c)(3) | 1994 | $741,110 | $996,665 | 2024-12 |
| Lakeland Animal Welfare Society Inc | Elkhorn | 501(c)(3) | 1978 | $710,317 | $3.9 million | 2024-12 |
| Wildlife in Need Center LTD | Oconomowoc | 501(c)(3) | 1994 | $703,145 | $2.1 million | 2025-03 |
| Bobshouse 4dogs | Eleva | 501(c)(3) | 2010 | $693,750 | $1.3 million | 2024-12 |
| Mink Veterinary Consulting and Research Service LTD | Glenbeulah | 501(c)(3) | 2014 | $659,467 | $956,476 | 2025-12 |
| Friends of Freeland Foundation | Green Lake | 501(c)(3) | 2010 | $637,798 | $99,227 | 2024-12 |
| Chequamegon Humane Association Inc | Ashland | 501(c)(3) | 1984 | $636,745 | $801,373 | 2025-12 |
| Columbia County Humane Society | Portage | 501(c)(3) | 1975 | $613,203 | $1.6 million | 2025-12 |
| Alberts Dog Lounge | Whitewater | 501(c)(3) | 2017 | $612,522 | $189,271 | 2025-12 |
| Hunt Hill Nature Cener Inc | Sarona | 501(c)(3) | 1990 | $599,152 | $9.4 million | 2024-12 |
| Adams County Humane Society Inc | Friendship | 501(c)(3) | 1975 | $593,440 | $730,794 | 2024-12 |
| Friends of the Bay Beach Wildlife Sanctuary Inc | Green Bay | 501(c)(3) | 1983 | $570,645 | $1.9 million | 2025-12 |
| Saving Paws Animal Rescue Inc | Appleton | 501(c)(3) | 2006 | $563,078 | $1.5 million | 2024-12 |
| Domestic Animal Wellness Center & Wildlife Rescue Inc | Siren | 501(c)(3) | 2012 | $560,430 | $101,027 | 2025-12 |
| Catkins Animal Rescue Inc | Fifield | 501(c)(3) | 2008 | $545,757 | $545,393 | 2025-12 |
| South Wood County Humane Society Inc | Wisc Rapids | 501(c)(3) | 1980 | $542,775 | $2.4 million | 2025-12 |
| Friends of Milwaukee Area Domestic Animal Control Commission | Milwaukee | 501(c)(3) | 2008 | $536,298 | $458,572 | 2024-12 |
| Lincoln County Humane Society Inc | Merrill | 501(c)(3) | 1977 | $532,332 | $1.3 million | 2025-12 |
| Safe Haven Pet Sanctuary | Green Bay | 501(c)(3) | 2016 | $504,594 | $38,182 | 2025-03 |
| Newfoundland Club of America Charitable Trust | Mount Horeb | 501(c)(3) | 1998 | $501,512 | $860,916 | 2025-06 |
| Sandi Paws Rescue | Fond Du Lac | 501(c)(3) | 2014 | $471,103 | $299,180 | 2025-12 |
| Tails for Life Inc | Fond Du Lac | 501(c)(3) | 2014 | $457,673 | $283,818 | 2024-12 |
| Chasing Daylight Animal Shelter Inc | Tomah | 501(c)(3) | 2010 | $455,184 | $5 million | 2025-12 |
| Fox Valley Veterans Council Incorporated | Appleton | 501(c)(3) | 2010 | $451,877 | $555,352 | 2024-12 |
| Kenosha County Humane Society | Kenosha | 501(c)(3) | 1960 | $445,059 | $0 | 2023-12 |
| Milwaukee Dog Training Club Inc | Milwaukee | 501(c)(3) | 2019 | $444,834 | $686,015 | 2025-05 |
| Specialty Purebred Cat Rescue of Southeastern Wi Inc | Somers | 501(c)(3) | 2005 | $444,223 | $578,252 | 2024-12 |
| Fond Du Lac Humane Society Inc | Fond Du Lac | 501(c)(3) | 1973 | $433,422 | $2.6 million | 2024-12 |
| Eastshore Humane Assoc Inc | Chilton | 501(c)(3) | 1987 | $433,299 | $604,254 | 2025-04 |
| Raptor Education Group Inc | Antigo | 501(c)(3) | 1994 | $431,495 | $1.3 million | 2025-06 |
| Blue Ribbon Sale of Champions Foundation Inc | Milwaukee | 501(c)(3) | 2010 | $428,441 | $596,956 | 2025-12 |
| New Zoological Society Inc | Suamico | 501(c)(3) | 1986 | $428,187 | $1.9 million | 2025-12 |
| Dodge County Humane Society Inc | Juneau | 501(c)(3) | 1970 | $419,380 | $1.2 million | 2024-12 |
| Wounded Warrior Canines | Marion | 501(c)(3) | 2021 | $417,548 | $50,636 | 2024-12 |
| Tiny Hooves Rescue Inc | Union Grove | 501(c)(3) | 2016 | $397,304 | $112,748 | 2025-12 |
| Cats Anonymous Inc | Green Bay | 501(c)(3) | 2005 | $382,476 | $595,472 | 2025-12 |
| Fetch Wisconsin Rescue Inc | Verona | 501(c)(3) | 2013 | $378,304 | $176,254 | 2025-12 |
| Woof Gang Rescue | Racine | 501(c)(3) | 2014 | $374,484 | $249,913 | 2025-12 |
| Prairie Wildlife Research Inc | Stevens Point | 501(c)(3) | 2002 | $368,642 | $164,335 | 2025-06 |
| Open Door Bird Sanctuary Inc | Sturgeon Bay | 501(c)(3) | 2011 | $368,412 | $816,975 | 2025-12 |
| Valley of the Kings Sanctuary and Retreat | Sharon | 501(c)(3) | 1991 | $368,118 | $633,638 | 2024-12 |
| Marshfield Area Pet Shelter Inc | Marshfield | 501(c)(3) | 2012 | $363,219 | $1.4 million | 2024-12 |
| Newfoundland Club of America Inc | Mount Horeb | 501(c)(3) | 2026 | $350,816 | $173,622 | 2024-12 |
| Brown Paws Rescue | Edgerton | 501(c)(3) | 2016 | $350,127 | $96,177 | 2025-12 |
| Second Chance Animal Advocates | Stoughton | 501(c)(3) | 2015 | $348,783 | $120,050 | 2025-12 |
| JRS Pups-N-Stuff Incorporated | Burlington | 501(c)(3) | 2021 | $337,149 | $16,858 | 2023-08 |
| Arnell Memorial Humane Society Inc | Amery | 501(c)(3) | 1996 | $333,349 | $856,654 | 2025-12 |
| Misfit Felines Inc | Stoughton | 501(c)(3) | 2022 | $332,230 | $63,000 | 2024-12 |
| Forest County Humane Society | Crandon | 501(c)(3) | 1998 | $332,089 | $322,532 | 2024-12 |
| Humane Society of Douglas County Inc | Superior | 501(c)(3) | 1975 | $328,887 | $1.5 million | 2025-12 |
| Pony Tales Refuge and Rehab Inc | Colfax | 501(c)(3) | 2014 | $321,006 | $7,360 | 2024-09 |
| Washburn County Area Humane Society | Spooner | 501(c)(3) | 1996 | $312,454 | $395,220 | 2024-12 |
| Langlade County Humane Society Inc | Antigo | 501(c)(3) | 1983 | $301,068 | $925,606 | 2025-02 |
| Wilsonhaus Rescue Inc | Appleton | 501(c)(3) | 2024 | $296,836 | $137,607 | 2024-12 |
| Ma Paws & Me Pet Rescue Inc | Johnson Creek | 501(c)(3) | 2017 | $293,979 | $38,944 | 2024-12 |
| Green Lake Area Animal Shelter LTD | Green Lake | 501(c)(3) | 1993 | $293,955 | $657,897 | 2025-12 |
| Safari Club International Foundation | Stevens Point | 501(c)(3) | 2004 | $290,194 | $53,672 | 2023-12 |
| Humane Society of Burnett County Inc | Webster | 501(c)(3) | 2001 | $288,388 | $1.2 million | 2025-12 |
| Saving Grace Animal Rescue Inc | Winter | 501(c)(3) | 2022 | $286,773 | $170,331 | 2025-03 |
| Oconto Area Humane Society & Animal Shelter Inc | Oconto | 501(c)(3) | 2003 | $286,325 | $318,475 | 2024-12 |
| Ocooch Mountain Humane Society Inc | Richland Center | 501(c)(3) | 2002 | $284,658 | $1.2 million | 2024-12 |
| Safari Club International Foundation | Waukesha | 501(c)(3) | 2004 | $284,022 | $432,501 | 2026-06 |
| Critter Junction Pet Rescue Inc | Fond Du Lac | 501(c)(3) | 2014 | $282,466 | $108,971 | 2024-12 |
| Hec Hooves of Joy Inc | Ashland | 501(c)(3) | 2022 | $268,893 | $260,591 | 2025-12 |
| Midwest Horse Welfare Foundation Inc | Pittsville | 501(c)(3) | 2001 | $261,815 | $96,962 | 2025-12 |
| Kindred Kitties LTD | Kenosha | 501(c)(3) | 2005 | $255,182 | $767,376 | 2024-12 |
| Our Pack Animal Rescue Inc | New London | 501(c)(3) | 2019 | $253,511 | $15,020 | 2024-12 |
| Rivers and Bluffs Animal Shelter | PR Du Chien | 501(c)(3) | 2009 | $252,835 | $1.2 million | 2025-12 |
| Janes Journey Home for Dogs Inc | Middleton | 501(c)(3) | 2022 | $250,897 | $84,673 | 2025-12 |
| Walleye for Tomorrow | Fond Du Lac | 501(c)(3) | 1992 | $244,225 | $2.1 million | 2025-08 |
| Driftless Humane Society Inc | Viroqua | 501(c)(3) | 1999 | $242,748 | $626,827 | 2024-12 |
| Primates Incorporated | Westfield | 501(c)(3) | 2004 | $238,605 | $644,690 | 2025-07 |
| Equine High Performance Sports Group Inc | Brookfield | 501(c)(3) | 2025 | $236,316 | $57,611 | 2025-12 |
| Riding With Angels Inc | Palmyra | 501(c)(3) | 2014 | $235,486 | $145,014 | 2025-12 |
| Keshena Animal Help & Rescue Inc | Keshena | 501(c)(3) | 2007 | $232,835 | $282,647 | 2025-12 |
| Renaissance Cluster Dog Shows | Racine | 501(c)(4) | 2023 | $231,953 | $202,296 | 2023-12 |
| Carl W Nelson Animal Shelter Inc | Mauston | 501(c)(3) | 2005 | $230,359 | $333,669 | 2025-12 |
| Lucky Mutts Rescue Inc | New Berlin | 501(c)(3) | 2019 | $227,956 | $34,297 | 2023-12 |
| Wisconsin Big Cat Rescue Andeducational Center | Rock Springs | 501(c)(3) | 2008 | $227,109 | $347,350 | 2024-12 |
| New Life Pet Adoption Center Inc | Marathon | 501(c)(3) | 2002 | $222,526 | $639,592 | 2025-12 |
| Waukesha Kennel Club Inc | New Berlin | 501(c)(4) | 2011 | $212,591 | $136,972 | 2024-12 |
| Happy Endings No Kill Cat Shelter Inc | Milwaukee | 501(c)(3) | 2019 | $206,232 | $414,837 | 2024-12 |
| White Paws German Shepherd Dog Rescue | Fredonia | 501(c)(3) | 2005 | $202,298 | $8,304 | 2024-12 |
| Pine View Wildlife Rehabilitation Center Inc | Fredonia | 501(c)(3) | 1994 | $200,410 | $425,781 | 2025-08 |
| Charlie Project Dog Rescue Limited | Twin Lakes | 501(c)(3) | 2022 | $198,966 | $61,462 | 2025-10 |
| Golden Retriever Rescue of Wisconsin | Waunakee | 501(c)(3) | 2000 | $196,781 | $99,029 | 2024-12 |
| Community Cat Rescue and Adoption of Barron County Inc | Rice Lake | 501(c)(3) | 2018 | $194,279 | $271,851 | 2024-12 |
| Thrifted Kittens Animal Rescue Inc | Milwaukee | 501(c)(3) | 2024 | $192,073 | $13,184 | 2025-12 |
| World Beef Exposition Inc | Burnett | 501(c)(5) | 2013 | $190,717 | $98,769 | 2025-12 |
| Society of St Francis | Mequon | 501(c)(3) | 1985 | $189,982 | $380,631 | 2024-12 |
| Lost Creek Ranch Camp Confidence | Beldenville | 501(c)(3) | 2025 | $184,931 | $81,903 | 2025-12 |
| Trempealeau County Humane Society Inc | Blair | 501(c)(3) | 2003 | $181,097 | $104,210 | 2025-05 |
| Rescue Gang Co | W Milwaukee | 501(c)(3) | 2015 | $180,444 | $41,104 | 2024-12 |
| Mit Liebe German Shepherd Dog Rescue | Suamico | 501(c)(3) | 2000 | $177,539 | $100,640 | 2024-12 |
| Wisconsin Puppy Mill Project | Sheboygan | 501(c)(3) | 2007 | $176,700 | $10,445 | 2024-12 |
| Urban Cat Coalition | Milwaukee | 501(c)(3) | 2017 | $173,962 | $96,429 | 2025-12 |
| Center for Animal Rehabilitation & Education Inc | Waukesha | 501(c)(3) | 1998 | $171,246 | $257,301 | 2024-12 |
| Waushara County Animal Shelter Inc | Wautoma | 501(c)(3) | 2021 | $166,547 | $244,972 | 2025-06 |
| Pawsitive Sanctuary Inc | Kewaskum | 501(c)(3) | 2023 | $165,754 | $110,623 | 2025-12 |
| Stepping Stone Farms School of Horsemanship | Franksville | 501(c)(3) | 2025 | $164,743 | $139,750 | 2025-12 |
| Fetch Foster and Rescue Incorporated | Wausau | 501(c)(3) | 2019 | $163,159 | $275,465 | 2025-12 |
| Almost Home Cat Rescue Mke Inc | West Allis | 501(c)(3) | 2021 | $161,927 | $81,633 | 2025-12 |
| Bichon & Little Buddies Rescue Inc | Mukwonago | 501(c)(3) | 2008 | $160,753 | $29,070 | 2025-12 |
| Emma Loves Dogs Inc | Hartland | 501(c)(3) | 2020 | $159,092 | $87,558 | 2025-12 |
| Lucky Clover Rescue | Waterford | 501(c)(3) | 2019 | $158,301 | $35,488 | 2025-12 |
| Wisconsin Adopt A Golden Retriever Inc | Brookfield | 501(c)(3) | 2005 | $158,260 | $213,598 | 2026-06 |
| Humane Society of Barron County Inc | Barron | 501(c)(3) | 1985 | $156,753 | $546,465 | 2024-12 |
| Czars Promise Inc | Madison | 501(c)(3) | 2014 | $154,924 | $163,214 | 2024-12 |
| Chippewa Rod and Gun Club | Chippewa FLS | 501(c)(3) | 1999 | $152,972 | $327,562 | 2025-10 |
| Amazing Grace Equine Sanctuary Inc | Elkhart Lake | 501(c)(3) | 2009 | $144,940 | $125,577 | 2025-01 |
| Last Paw Rescue | Tomah | 501(c)(3) | 2014 | $144,896 | $12,239 | 2025-12 |
| Journey Together Service Dog Inc | Oshkosh | 501(c)(3) | 2015 | $144,616 | $563,999 | 2025-12 |
| Touched By A Paw | Whitewater | 501(c)(3) | 1998 | $141,888 | $98,238 | 2025-12 |
| Second Hand Purrs Shelter | Milwaukee | 501(c)(3) | 2006 | $141,690 | $120,975 | 2024-12 |
| Tailwaggers 911 Inc | Saukville | 501(c)(3) | 2012 | $141,208 | $46,622 | 2024-12 |
| Misfit Mutts Dog Rescue Inc | Green Bay | 501(c)(3) | 2018 | $136,053 | $116,267 | 2025-12 |
| Alter-Ations Inc | Coon Valley | 501(c)(3) | 2006 | $128,113 | $58,046 | 2025-12 |
| Tabby Town USA Inc | Westby | 501(c)(3) | 2012 | $125,795 | $12,583 | 2025-12 |
| Hope Safehouse Inc | Racine | 501(c)(3) | 1998 | $125,620 | $349,777 | 2025-12 |
| Rey of Hope Rescue Inc | Milwaukee | 501(c)(3) | 2024 | $125,555 | $66,724 | 2025-12 |
| Corgiaid Inc | Monona | 501(c)(3) | 2000 | $125,286 | $840,426 | 2025-12 |
| Jackson County Humane Society Inc | BLK River FLS | 501(c)(3) | 2015 | $125,044 | $214,994 | 2025-12 |
| Sour Patch Sanctuary Inc | Jim Falls | 501(c)(3) | 2024 | $122,932 | $71,506 | 2025-12 |
| Little Orphans Animal Rescue Inc | Montello | 501(c)(3) | 2008 | $119,392 | $85,936 | 2025-12 |
| Alliance of Wisconsin Animal Rehoming Efforts Inc | Fredonia | 501(c)(3) | 2005 | $116,184 | $56,449 | 2025-12 |
| Hoping Fur A Home Inc | Tomah | 501(c)(3) | 2015 | $114,030 | $1 | 2024-12 |
| Hoos Woods Inc | Whitewater | 501(c)(3) | 2003 | $111,756 | $120,225 | 2025-12 |
| Biggie Paws Rescue Inc | Bristol | 501(c)(3) | 2025 | $110,933 | $65,407 | 2024-12 |
| American Belgian Malinois Rescue Inc | Amherst JCT | 501(c)(3) | 2014 | $110,901 | $83,194 | 2025-12 |
| Beautiful Hearts Rescue and Horse Sanctuary LTD | Shell Lake | 501(c)(3) | 2021 | $109,000 | $1 | 2024-12 |
| Wild and Free Rescue | De Pere | 501(c)(3) | 2021 | $108,895 | $160,089 | 2024-12 |
| Lucky 7 Dog Rescue Corporation | De Pere | 501(c)(3) | 2016 | $108,001 | $10,771 | 2024-12 |
| Buffalo County Humane Society Inc | Mondovi | 501(c)(3) | 1997 | $106,397 | $386,963 | 2024-12 |
| Lincoln Park Zoological Society of Manitowoc County | Manitowoc | 501(c)(3) | 1991 | $104,950 | $390,561 | 2024-12 |
| Bangor Rod & Gun Club LTD | Bangor | 501(c)(3) | 1999 | $104,943 | $105,435 | 2025-12 |
| Another Chance Ranch Domestic Animal Sanctuary Inc | Neosho | 501(c)(3) | 2016 | $103,458 | $31,108 | 2026-04 |
| Alliance for Animals Inc | Madison | 501(c)(3) | 1984 | $102,576 | $134,713 | 2025-12 |
| Juneau County K9S Inc | Mauston | 501(c)(3) | 2022 | $100,957 | $175,594 | 2024-12 |
| Wisconsin Bound Dog Rescue Inc | Sun Prairie | 501(c)(3) | 2023 | $97,192 | $49,760 | 2025-12 |
| Northcentral Maltese Rescue Inc | Caledonia | 501(c)(3) | 2001 | $96,486 | $72,512 | 2024-12 |
| Basset Buddies Rescue Inc | Milwaukee | 501(c)(3) | 2001 | $93,799 | $212,978 | 2025-12 |
| Hayward Lakes Chapter 13 of Muskies Inc | Hayward | 501(c)(3) | 2022 | $92,795 | $155,465 | 2024-12 |
| Friends of Noah Inc Wisconsin | Janesville | 501(c)(3) | 2000 | $92,217 | $48,806 | 2025-12 |
| Humane Society of Vilas County Inc | Eagle River | 501(c)(3) | 2000 | $91,556 | $655,805 | 2025-12 |
| Helping Paws Pet Rescue Inc | Washburn | 501(c)(3) | 2007 | $91,317 | $162,584 | 2025-12 |
| Muskies Inc | Chippewa FLS | 501(c)(3) | 2021 | $89,498 | $86,987 | 2025-12 |
| Saving Sully Dog Rescue Inc | Fond Du Lac | 501(c)(3) | 2019 | $89,324 | $40,738 | 2024-12 |
| K-9 Obedience Training Club of Menomonee Falls Inc | Menomonee FLS | 501(c)(4) | 1961 | $88,489 | $265,661 | 2024-12 |
| Soulspace Farm Sanctuary | New Richmond | 501(c)(3) | 2016 | $87,959 | $48,339 | 2025-12 |
| Paddys Paws Inc | Fort Atkinson | 501(c)(3) | 2015 | $85,195 | $32,417 | 2025-12 |
| Spirit Horse Equine Rescue & Education Center | Janesville | 501(c)(3) | 2016 | $83,014 | $18,937 | 2026-05 |
| Headwaters Chapter 12 of Muskies Inc | Eagle River | 501(c)(3) | 2023 | $79,863 | $100,762 | 2025-12 |
| Wanakia Wildlife Rehabilitation and Education Center Inc | Richfield | 501(c)(3) | 2008 | $77,264 | $57,028 | 2025-12 |
| Richland Area Rescue Incorporated | Richland Center | 501(c)(3) | 2005 | $72,266 | $80,324 | 2025-06 |
| Associated Society-Animal Protection LTD | Sparta | 501(c)(3) | 1995 | $72,223 | $356,717 | 2025-06 |
| Sturgeon for Tomorrow Inc | Chilton | 501(c)(3) | 1980 | $71,358 | $324,535 | 2024-12 |
| North Winds Rescue | Deerfield | 501(c)(3) | 2022 | $69,434 | $6,072 | 2025-07 |
| West Allis Training Kennel Club | Big Bend | 501(c)(7) | 2022 | $67,632 | $664,918 | 2024-12 |
| Wisconsin Veterinary Medical Foundation Inc | Madison | 501(c)(3) | 2014 | $67,112 | $144,685 | 2025-12 |
| K9 Tesla Foundation Incorporated | Palmyra | 501(c)(3) | 2025 | $65,666 | $61,550 | 2026-01 |
| 9 Lives Rescue | Middleton | 501(c)(3) | 2020 | $65,306 | $29,145 | 2025-12 |
| Waupun Area Animal Shelter LTD | Waupun | 501(c)(3) | 2006 | $63,943 | $736,740 | 2025-12 |
| The Fix Is in Inc | Rhinelander | 501(c)(3) | 2010 | $62,599 | $243,079 | 2025-12 |
| Unforgettable Underdogs Dog Rescue | Little Chute | 501(c)(3) | 2014 | $61,690 | $35,504 | 2025-12 |
| Orphan Animal Rescue and Sanctuary Inc | Neenah | 501(c)(3) | 2009 | $60,828 | $245,297 | 2024-12 |
| Heart2heart Pet Lifeline | La Crosse | 501(c)(3) | 2017 | $60,701 | $96,261 | 2025-12 |
| Community Cat Inc | Whitewater | 501(c)(3) | 2011 | $60,214 | $84,366 | 2024-12 |
| Toto Foundation Inc | King | 501(c)(3) | 2013 | $58,192 | $401,794 | 2025-12 |
| Sol Criations Farm Sanctuary Inc | Endeavor | 501(c)(3) | 2017 | $57,084 | $11,372 | 2025-12 |
| Greyhound Pets of America | Hubertus | 501(c)(3) | 1989 | $56,745 | $168,551 | 2024-12 |
| Airedale Terrier Club of America Inc | Middleton | 501(c)(4) | 2007 | $54,993 | $113,719 | 2026-06 |
| Muskies Inc | Madison | 501(c)(3) | 2021 | $54,415 | $74,527 | 2025-12 |
| Manitowoc County Fish and Game Protective Association | Manitowoc | 501(c)(3) | 2021 | $53,080 | $696,095 | 2024-12 |
| Zoological Society of Kewaunee County Inc | Kewaunee | 501(c)(3) | 2011 | $52,768 | $194,435 | 2025-09 |
| Pepin County Humane Society | Durand | 501(c)(3) | 1984 | $51,760 | $432,521 | 2024-12 |
| Ruff Luck Dog Rescue Inc | Franklin | 501(c)(3) | 2016 | $49,818 | $42,444 | 2024-12 |
| North American Deutsch Kurzhaar Club | Grafton | 501(c)(3) | 2020 | $49,355 | $163,212 | 2025-12 |
| Valley Cats Inc | Neenah | 501(c)(3) | 2014 | $48,810 | $15,551 | 2025-12 |
| Door County Scottie Rally Inc | Baileys HBR | 501(c)(3) | 2005 | $48,566 | $40,686 | 2025-12 |
| Whitetails of Wisconsin Inc | Monticello | 501(c)(5) | 2001 | $46,438 | $211,832 | 2025-12 |
| Veterinary Association for Farm Animal Welfare | Milwaukee | 501(c)(3) | 2024 | $45,500 | $67,472 | 2025-12 |
| Sheboygan County Conservation Association Incorporated | Sheboygan | 501(c)(3) | 1995 | $43,932 | $139,590 | 2024-12 |
| Canine Cupids | West Allis | 501(c)(3) | 2014 | $42,266 | $78,944 | 2025-12 |
| Refuge Farms Inc | Spring Valley | 501(c)(3) | 2005 | $40,689 | $2,688 | 2025-12 |
| Wildwood Park Zoological Society Inc of Marshfield Wisconsin | Marshfield | 501(c)(3) | 1974 | $39,195 | $250,496 | 2025-07 |
| Winstons Wishes | Janesville | 501(c)(3) | 2017 | $38,867 | $25,922 | 2024-12 |
| Namaste Equine Rescue LTD | Union Grove | 501(c)(3) | 2015 | $38,009 | $28,931 | 2025-06 |
| Lavalley Inc | Howards Grove | 501(c)(3) | 2004 | $36,594 | $340,915 | 2024-12 |
| Trout Unlimited | Green Bay | 501(c)(3) | 1972 | $35,967 | $106,028 | 2026-03 |
| Thyme & Sage Ranch Inc | Cazenovia | 501(c)(3) | 2006 | $30,218 | $33,448 | 2024-12 |
| Frostys Fosters Animal Rescue Inc | Waupun | 501(c)(3) | 2015 | $28,824 | $244,306 | 2025-12 |
| American Lhasa Apso Club | Reedsville | 501(c)(4) | 2010 | $27,759 | $148,811 | 2024-12 |
| Gray Muzzle Organization of Ne Wisconsin Inc | Appleton | 501(c)(3) | 2019 | $26,140 | $123,342 | 2025-12 |
| Second Chance Fund Inc | Lodi | 501(c)(3) | 2010 | $25,668 | $355,605 | 2025-12 |
| Cold Noses Sanctuary Inc | Pewaukee | 501(c)(3) | 2025 | $25,100 | $9,783 | 2024-12 |
| Wisconsin Federated Humane Societies Inc | Madison | 501(c)(3) | 1961 | $24,292 | $142,527 | 2024-12 |
| In Dem Wald Wildlife Center Inc | New Glarus | 501(c)(3) | 2009 | $23,296 | $1,072 | 2025-12 |
| Helping Hands for Pets | Somerset | 501(c)(3) | 2010 | $23,015 | $46,542 | 2025-12 |
| Mutt Life Dog Rescue of Wisconsin | Cedarburg | 501(c)(3) | 2024 | $22,569 | $13,761 | 2024-12 |
| Briarton Conservation Club Inc | Pulaski | 501(c)(3) | 2025 | $21,472 | $12,497 | 2025-12 |
| Wisconsin Bear Hunters Foundationinc | Berlin | 501(c)(3) | 2006 | $19,401 | $26,525 | 2025-12 |
| Friends of the Necedah National Wildlife Refuge | Necedah | 501(c)(3) | 1999 | $18,555 | $163,758 | 2025-12 |
| Animal Rescue and Veterinaryservices and Support | Sun Prairie | 501(c)(3) | 2006 | $17,176 | $51,454 | 2025-12 |
| Holyland Donkey Haven Inc | Mount Calvary | 501(c)(3) | 2011 | $12,787 | $22,093 | 2024-12 |
| Driftless Whitetails Inc | Independence | 501(c)(3) | 2023 | $12,139 | $9,365 | 2025-06 |
| Daisy Acres Inc | Hartford | 501(c)(3) | 2022 | $5,737 | $195 | 2024-12 |
| Wings Raptor Center Inc | Cambridge | 501(c)(3) | 2025 | $1,175 | $731 | 2025-12 |
| Lmbo Property Fund Inc | PRT Washingtn | 501(c)(3) | 2024 | $600 | $552 | 2024-12 |
| Lisa Levenstein Foundation | Mequon | 501(c)(3) | 2003 | $130 | $652,493 | 2025-12 |
| 24 Valley Trout Club Incorporated | Cashton | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| 2ND Chance To Shine Inc | La Crosse | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| A Cause for Paws Kewaunee County LTD | Casco | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| A Homestead of Hope | Brussels | 501(c)(3) | 2026 | |||
| A Promise of Love | Beloit | 501(c)(3) | 2014 | $0 | $0 | 2026-01 |
| A Right To Life Animal & Equine Sanctuary | Janesville | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Abiding Sunday Incorporated | River Falls | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Academy of Veterinary Surgical Technicians | Monona | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Achin Back Acres Ranch and Animal Sanctuary | Grantsburg | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Ackcsc Health Alliance Inc | Arbor Vitae | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Addison Dogs | Waukesha | 501(c)(3) | 2006 | $0 | $0 | 2024-01 |
| Adoptfirst | Greenville | 501(c)(3) | 2026 | |||
| Aeris Odysseys | Arkdale | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Affinity Rescue Inc | Pardeeville | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| All of Us Inc | New Glarus | 501(c)(3) | 2023 | $198,392 | 2025-12 | |
| Almost Home Kitty Rescue Inc | Berlin | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Amayas Wild Heart | Poynette | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| American Lamancha Breeders Association | Hawkins | 501(c)(3) | 2018 | $0 | $0 | 2024-10 |
| American Standardbred Adoption Program Inc | De Soto | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Angel Hooves Heavenly Hearts Inc | Sparta | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Angels Paws | Kenosha | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Anicare Systems Inc | Eau Claire | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Animal Advocates of Sauk County | Spring Green | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Animal Benefit Society | Manitowoc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Animal Foundation & Pet Pantry of Wisconsin | Oneida | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Animal Life Rescue Incorporated | Caledonia | 501(c)(3) | 2026 | $0 | $1 | 2025-12 |
| Animal Resource Center Inc | Kewaskum | 501(c)(3) | 2002 | $1,968 | 2025-12 | |
| Animal Resource Fund | Crandon | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Animal Welfare Wisconsin Inc | Shell Lake | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Annabelle Acres Incorporated | Oconomowoc | 501(c)(3) | 2024 | $6,815 | 2025-12 | |
| Annie and Willie Majestic Forest Wildlife Scholarship Ua | Milwaukee | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Apex Angels and Warriors | Gleason | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Apple Valley Pit Crew Inc | Appleton | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Aquaterra Biomes | Madison | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Archies Angels Inc | De Pere | 501(c)(3) | 2020 | $0 | $0 | 2026-02 |
| Arfs German Shepherd Inc | Poynette | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Aves Wildlife Alliance Inc | Neenah | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Avian Oasis Rescue and Rehabilitation | Eagle River | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| B L Branch Creek Ranch | Union Grove | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Badger State Australian Shepherd Association | Sherwood | 501(c)(4) | 2022 | $0 | $0 | 2024-12 |
| Badger State Therapy Dog Association | Evansville | 501(c)(3) | 2025 | |||
| Badgerland Animal Reading and Comfort Companions | Randolph | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Badgerland Reptile Rescue Inc | Kenosha | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Barefoot Crow Animal Rescue Inc | Woodville | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Baroque Horse of the Midwest Inc | Edgerton | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| Bat Conservation of Wisconsin Inc | Sun Prairie | 501(c)(3) | 1999 | $0 | $0 | 2024-12 |
| Be My Furevers Inc | Deerfield | 501(c)(3) | 2023 | $1 | 2025-12 | |
| Be the Change Rescue Inc | Edgar | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Beagle Ridge Rescue | Janesville | 501(c)(3) | 2025 | |||
| Belgian Tervuren Rescue Inc | Elkhorn | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Between the Lakes Chapter 20 of Muskies Inc | Sheboygan FLS | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Billys Posse Inc | Caledonia | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Bird Dog Society | Sun Prairie | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Black Horse Acres Inc | Omro | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Blackberry Point Haven | Iron Ridge | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Blooming Buddies Sanctuary Inc | Madison | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Blue Heron Wildlife Sanctuary Inc | Saukville | 501(c)(3) | 2000 | $1.8 million | 2024-12 | |
| Bluebird Legacy Inc | Eau Claire | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Bluff Country Snakes | La Crosse | 501(c)(3) | 2025 | |||
| Bomeric Horse Rescue Inc | Evansville | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bonds Path Inc | Roberts | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Boxer Club of Milwaukee Inc | Menomonee FLS | 501(c)(7) | 2016 | $0 | $0 | 2023-12 |
| Bramblewood Animal Sanctuary Inc | Wilson | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Bridge Rescue and Sanctuary Inc | Appleton | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Bridge To Forever Rescue Inc | Portage | 501(c)(3) | 2024 | $0 | $955 | 2025-12 |
| Brown County Beekeepers Association Inc | Green Bay | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bucky S Bull Rescue Inc | Cedar Grove | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Buffalo County Conservation Alliance | Mondovi | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Burlington Area Dog Park Commitee Inc | Burlington | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Burnside Paws Animal Rescue Inc | Appleton | 501(c)(3) | 2024 | |||
| Care for Paws Inc | Green Bay | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Catahome Feline Sanctuary | Oconomowoc | 501(c)(3) | 2023 | $9,442 | 2025-12 | |
| Cats at Large Inc | Milwaukee | 501(c)(3) | 2024 | $0 | $0 | 2025-02 |
| Catsnip | Jefferson | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Chained Dogs Mke Inc | Milwaukee | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Chealsae Pet Foundation Inc | Appleton | 501(c)(3) | 2002 | $0 | $0 | 2024-12 |
| Chesapeake Retriever Rescue of Wisconsin | Appleton | 501(c)(3) | 2002 | $0 | $0 | 2024-12 |
| Cheshire Cat Sanctuary | Mukwonago | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Chicas Rescue Inc | Hudson | 501(c)(3) | 2025 | |||
| Chihuahua Club of Greater Milwaukee Inc | Waukesha | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Children Are the Hope | Reedsburg | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Chippewa Falls Happy Tails Dog Park | Chippewa FLS | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Chippewa Valley Cat Club Inc | Altoona | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Chippewa Valley Wildlife Rehabilitation LTD | Eau Claire | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Circle V Riders Inc | Viroqua | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Circle of Souls Animal Rescue | Sheboygan | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Citizen Animal Response Team Auxiliary | Green Bay | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Citizens United for Animals Inc | Milwaukee | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Cocktails & Goats Farm | Waldo | 501(c)(3) | 2024 | |||
| Colts Rehab Rescue | Muskego | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Community Cat Connection Inc | Menasha | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Community Paws of Wisconsin Inc | Green Bay | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Como Lake Animal Wellness Services Inc | Lake Geneva | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Connected Equine Development and Rehabilitation Center Inc | Mount Horeb | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Connors Lake Lake of the Pines Lake Association Inc | Phillips | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Coonhound and Foxhound Companions | La Crosse | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Copper Paws Rescue | Marshfield | 501(c)(3) | 2024 | $0 | $0 | 2024-09 |
| Coulee Region Kindness Inc | La Crosse | 501(c)(3) | 2022 | $618,215 | 2025-12 | |
| Coulee Region Meow Mission | La Crosse | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Coulee Wildlife Rehabilitation Center Inc | Chaseburg | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Crawford Area Shelter for Animals Inc | Ferryville | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Cream City Pah | Milwaukee | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Creative Cat Care | Milwaukee | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Critter Harbor Incorporated | Superior | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Crossroads K9 Rescue Inc | Kronenwetter | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Crossroads Veterinary Emergency Ser Vices Limited Liability Corporatio | Maple | 501(c)(3) | 2026 | $0 | $0 | 2024-12 |
| Dane4dogs LTD | Verona | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Daniels Partnership Foundation of Burlington Inc | Burlington | 501(c)(3) | 1995 | $39,054 | 2025-12 | |
| Daveys Cat Pit Stop Inc | Cable | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Desert Willow Ranch and Rescue | Oregon | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Dietrich Schaaf Conservation Fund Inc | Middleton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Doberman Rescue Alliance of Wisconsin Inc | Waukesha | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Dog for Life Inc | Lone Rock | 501(c)(3) | 2024 | |||
| Doggieland Comfort Companions Therapy Dog Corp | Madison | 501(c)(3) | 2025 | |||
| Dogs On Call Inc | Fitchburg | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Door County Therapy Dog Teams Inc | Brussels | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Dream Horse Rescue and Rehabilitati On Inc | Kenosha | 501(c)(3) | 2026 | |||
| Driftless Farm Animal Sanctuary | Spring Valley | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Driftless Rescue | Holmen | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Eden Healing Center Inc | Walworth | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Empath Equine Rescue | Kennan | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fairy Tails Dog Rescue | Brookfield | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Familiars Foster Network & Rescue | Janesville | 501(c)(3) | 2023 | $0 | $0 | 2026-03 |
| Famous Mutts | Stevens Point | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Farm Bird Sanctuary Inc | Edgerton | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Farm of Life Inc | Rhinelander | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Feeding Hope Inc | Columbus | 501(c)(3) | 2025 | |||
| Feline Assistance Care TNR & Suppor T | Brooklyn | 501(c)(3) | 2026 | |||
| Fenway Foundation for Friesian Horses Inc | Hortonville | 501(c)(3) | 2012 | $426,914 | 2025-10 | |
| Ferret Nook Inc | Cambridge | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Ferret Underground - A Wisconsin Ferret Rescue Inc | Tomah | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Ferry Bluff Eagle Council Inc | Cross Plains | 501(c)(3) | 1996 | $0 | $0 | 2025-09 |
| Fields of Hope Canine Rescue | Kewaunee | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fierce Hearts Wildlife Rehabilitation Inc | Wisc Rapids | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Finally Home Inc | De Pere | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Finding Eden Rescue Inc | Eau Claire | 501(c)(3) | 2026 | |||
| First Friends Animal Rescue Inc | Wisc Dells | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Fisher Valley Felines | Fitchburg | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Fisheree of Eland Incorporated | Eland | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Fisheries Forever Inc | Green Bay | 501(c)(3) | 2010 | $0 | $0 | 2025-06 |
| Follow Our Flock Corporation | West Bend | 501(c)(3) | 2026 | |||
| For Cats Sake LTD | Big Bend | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Fox Valley Retriever Club Inc | West Bend | 501(c)(4) | 2006 | $0 | $0 | 2024-12 |
| Friends of Bark River Fish Hatchery Inc | Edgerton | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Friends of Butterfly Gardens Inc | Appleton | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Friends of Casa Sheila Animal Welfa Re Inc | Dousman | 501(c)(3) | 2026 | |||
| Friends of Forest County K9 Unit | Crandon | 501(c)(3) | 2022 | $9,266 | 2024-12 | |
| Friends of Goat Island Inc | Jefferson | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Friends of Poynette Game Farm | Sun Prairie | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Friends of Scentrail Bark Community Park Inc | Wisc Rapids | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Friends of the Ferret Den Incorporated | Jackson | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Friends of the Great Green Macaw Inc | Waunakee | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Friends of the Iron River National Fish Hatchery Ua | Iron River | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Friends of the Lodi Dog Park | Lodi | 501(c)(3) | 2024 | |||
| Friends of the Middleton Dog Parks | Middleton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Refuge-Mississippi River Pools 7 & 8 | Onalaska | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Friends of the Rusk County Animal Shelter | Ladysmith | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Friends of the Waterberg Wild Dogs | Monona | 501(c)(3) | 2023 | $0 | $0 | 2026-05 |
| Frito Paws Rescue | Chetek | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Furever Friends Sanctuary Corp | Richfield | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Furever Wild Organization Inc | Milton | 501(c)(3) | 2026 | |||
| Furrows To Fences | Fond Du Lac | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Gods Country Chapter 30 of Muskies Inc | La Crosse | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Golden Guardian Rescue - Wisconsin | Juneau | 501(c)(3) | 2026 | |||
| Golden Rule Rescue & Rehabilitation Inc | Oregon | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Good Barn Inc | Neenah | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Got Your Six K9S Inc | Pulaski | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Grant County Humane Society Inc | Lancaster | 501(c)(3) | 2015 | $0 | $1 million | 2025-06 |
| Great Lakes Irish Setter Rescue | Hortonville | 501(c)(3) | 2003 | $0 | $0 | 2024-12 |
| Great Pyrenees Rescue of Wisconsininc | Neshkoro | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Great River Animal Friends Inc | Pepin | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Green Acres Boxer Rescue of Wisconsin Inc | Mequon | 501(c)(3) | 2001 | $0 | $0 | 2024-12 |
| Green Bay Animal Rescue | Green Bay | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Greener Pasture Farm Sanctuary Inc | Tigerton | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Grey Wolf Central Wisconsin Wolfdog Rescue Inc | Necedah | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Guardian Whiskers | Madison | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Gypsy Vanner Horse Society Foundation | Iola | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hand Me-Down Hounds | Green Bay | 501(c)(3) | 2017 | $0 | $0 | 2026-05 |
| Have A Heart Dog Homes Inc | Elroy | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Haven Hills Animal Sanctuary | Big Bend | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Healing Horsemanship Foundation | Stoughton | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Healling Hearts Cat Sanctuary Inc | Wisc Rapids | 501(c)(3) | 2025 | |||
| Heartstrings Dog Rescue Inc | Jackson | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Helping Paws | Neenah | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Henry Vilas Zoo Foundation Inc | Madison | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Here To the Rescue | Barron | 501(c)(3) | 2024 | $0 | $0 | 2022-09 |
| Herp Habitat Rescue & Sanctuary | Oak Creek | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hickory Hill Puppy Rescue | Monona | 501(c)(3) | 2026 | |||
| Homeward Bound Animal Rescue of Wisconsin Inc | Mequon | 501(c)(3) | 2024 | |||
| Hoof Beat Therapeutic Healing Center | Menomonie | 501(c)(3) | 2024 | |||
| Hoof It Home Rescue | Mellen | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hooves of My Heart Equine Rescue LTD | Waukesha | 501(c)(3) | 2022 | $249,780 | 2025-12 | |
| Hope Fur Life | Aniwa | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hope in the Pasture | Oshkosh | 501(c)(3) | 2026 | |||
| Hopeful Hearts | Argyle | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| House Rabbit Society Wisconsin Chapter | Deerfield | 501(c)(3) | 1998 | $0 | $0 | 2024-12 |
| Humble Horse Inc | Spring Valley | 501(c)(3) | 2022 | $0 | $0 | 2024-02 |
| Infinite Possibilities Anmals Inc | Milwaukee | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| International Society for Animal Clinical Pathology | Windsor | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Ivelolharele Retirement Sanctuary Inc | Chilton | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Jack Stand Racin Car Club Inc | Stevens Point | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jacks Playground Animal Rescue Co | Bay View | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Jades Promise Dog Rescue | Plymouth | 501(c)(3) | 2026 | |||
| Jeffs Way Home Lost Dog Search and Rescue | Alvin | 501(c)(3) | 2026 | |||
| Jessie Merrill Trust Fbo We Care Animal Society 84-14139247 | Milwaukee | 501(c)(3) | 2002 | $1 million | 2025-07 | |
| Journey Home Animal Control LLC | Whitewater | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Joyau Inc | Glendale | 501(c)(3) | 2026 | |||
| Joys Place Animal Rescue | Gresham | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Just A Horse Rescue and Sanctuary Inc | Melrose | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Just Lovin 4S Rescue Inc | Union Grove | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| K&R Small Animal Sanctuary Inc | Appleton | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| K9 Bane Hero Foundation Inc | Caledonia | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| K9 Lifeline Rescue Inc | Genoa City | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Kanine Six Sanctuary Inc | Burlington | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Karen Fur Critters Inc | Hilbert | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Kaur Animal Care and Enrichment Inc | Oak Creek | 501(c)(3) | 2026 | |||
| Kennel Club of Fort Atkinson Inc | Fort Atkinson | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Kenners Hope Cattle Rescue | Chili | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ketchums Got Your Six Inc | Lake Delton | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Kindred Spirits Animal Network Inc | PR Du Sac | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Kingdom Animalia Exotic Animal Rescue | Suring | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Kitties On the Prairie | Sauk City | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Krissies Kritters Inc | Green Bay | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kych Priory 16 | Ripon | 501(c)(3) | 2022 | $0 | $0 | 2025-09 |
| La Casa Del Perro Corp | Milwaukee | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Lake Wissota Improvement and Protection Association | Chippewa FLS | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Lake of the Falls Association Lofa Inc | Green Lake | 501(c)(3) | 2026 | |||
| Lakeland Area Dog Park Corporation | Minocqua | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Larrs - Lakeshore Avian and Reptile Rescue and Sanctuary Inc | Sheboygan FLS | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Latoyas Legacy Inc | Pardeeville | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Laura Nohr Trust U-W Fob Trout Unlimited | Beloit | 501(c)(3) | 2003 | $250,090 | 2025-12 | |
| Laura and Peter Mossakowski Family Dog Park LTD | Green Bay | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Lavalle Team Penning Association | La Valle | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Lifeline Dog Rescue Inc | Elkhorn | 501(c)(3) | 2025 | |||
| Lilly Power Environmental | Hubertus | 501(c)(3) | 2026 | |||
| Lindas Menagerie Inc | Cedarburg | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Little Behinds Pug Rescue Inc | Caledonia | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Little Charlotte S Rescue Inc | Plover | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Little Red Barn Dog Rescue Inc | Rice Lake | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Living Barn | Cambridge | 501(c)(3) | 2019 | $1 | 2024-12 | |
| Loon Rescue Incorporated | Tomahawk | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Lost Dogs of Wisconsin Inc | North Prairie | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Lost and Found Pets of Shawano County Wi | Shawano | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Love Care Compassion Corp | Brookfield | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Lucky Pack Animal Foundation Inc | Green Bay | 501(c)(3) | 2026 | |||
| Maaviva - the Institute for Interconnectedness Inc | Eagle | 501(c)(3) | 2002 | $0 | $0 | 2024-12 |
| Manitowoc County Futurity | Reedsville | 501(c)(3) | 2024 | $0 | $0 | 2025-11 |
| Maple Grove Horse Sanctuary Inc | Plymouth | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.