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Data / Nonprofits / Wisconsin / Muskego

Nonprofits in Muskego, WI: 130 registered with the IRS

130 nonprofits are registered with the IRS in Muskego, WI, 75 of them 501(c)(3) charities; the 29 that report revenue took in $7.7 million. The largest by revenue: Tess Corners Volunteer Fire Dept ($1.7 million), Steeple View Inc ($1.2 million), Lutherans Inc for Elderly ($808,341). Most common causes: recreation and sports (19), education (9), human services (7).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Tess Corners Volunteer Fire Dept501(c)(4)1985$1.7 million$1.8 million2025-12
Steeple View IncHousing and shelter501(c)(3)2002$1.2 million$9.7 million2024-12
Lutherans Inc for Elderly501(c)(3)1994$808,341$3.1 million2025-12
Polonia Youth Soccer ClubRecreation and sports501(c)(3)1999$595,250$724,9772025-12
Muskego Senior Taxi Service IncHuman services501(c)(3)2007$464,239$196,0662024-12
Muskego Lodge No 1057 Loyal Order of Moose501(c)(8)1935$345,467$1.3 million2025-04
Lambda Kappa Sigma International501(c)(7)1943$261,128$211,7862025-06
Muskego Youth Football IncYouth development501(c)(3)2010$198,656$159,1812024-12
Muskego Athletic AssociationRecreation and sports501(c)(3)2004$195,811$458,6842025-10
Schultz Resort Rod & Gun Club IncPublic safety, disaster preparedness and relief501(c)(3)2014$193,539$613,8772024-12
Wisconsin Soccer Referee Development Program IncRecreation and sports501(c)(3)2010$190,929$265,0512025-12
International Association of Lions Clubs501(c)(4)1969$171,467$299,9452025-06
Muskego Food PantryFood, agriculture and nutrition501(c)(3)2012$168,244$506,1512025-12
Wisconsin Bakers Association Inc501(c)(6)1944$152,881$518,2082025-10
Waterbugs Ski Club IncRecreation and sports501(c)(3)2003$151,128$36,0172025-09
Muskego Warriors Youth BaseballRecreation and sports501(c)(3)2007$148,639$128,0672024-12
Muskego Warriors Shooting TeamRecreation and sports501(c)(3)2018$141,655$86,8882025-08
Muskego Warriors Youth Basketball IncRecreation and sports501(c)(3)2020$120,885$40,4232024-12
Muskego Girls Basketball Association IncRecreation and sports501(c)(3)2016$105,819$48,3712025-08
Wisconsin Midrange Computer Professional Association Inc501(c)(6)1996$73,484$43,7542025-05
Transformation Ministries IncReligion-related501(c)(3)1997$67,139$63,1102025-12
Club 101 Baseball Charities IncRecreation and sports501(c)(3)2023$62,792$19,2602025-12
Sand Hill Boosters Club501(c)(4)1957$47,109$89,7412026-02
Nordic Ski Club of Milwaukee Inc501(c)(7)1974$46,311$20,0862025-09
Ignite the Spirit- Milwaukee CorpYouth development501(c)(3)2018$41,288$360,2162024-12
Friends of MHS Music MakersEducation501(c)(3)2005$34,480$73,7662025-06
Muskego Lions Charities IncHuman services501(c)(3)2017$31,745$44,4382025-06
Creators Touch Ministries IncReligion-related501(c)(3)2001$4,415$338,4352025-12
A Heros Day LimitedHuman services501(c)(3)2020$0$02025-12
Aim of Wisconsin IncCivil rights, social action and advocacy501(c)(3)2025
American Legion501(c)(19)1934$0$02024-12
American Legion501(c)(19)1946$0$02025-12
American Legion Auxiliary Department of Wisconsin501(c)(19)2012$0$02025-12
American Marketing Association Milwaukee Inc501(c)(3)1992$0$02025-06
Atonement Lutheran Church501(c)(3)19882013-12
Bahais of Muskego501(c)(3)1995
Bay Lane Pto IncEducation501(c)(3)2018$0$02026-06
Big Bend Celebration Association IncRecreation and sports501(c)(3)2024
Calvary Evangelical Free Church501(c)(3)1965
Colts Rehab RescueAnimal-related501(c)(3)2024$0$02024-12
Eagles Wing Free Clinic IncHealth care501(c)(3)2013$0$02025-12
Fan UpHuman services501(c)(3)2019$0$02023-12
Freedom Corvette Club IncPublic and societal benefit501(c)(3)2025$0$02025-12
Friends of Muskego Public LibraryEducation501(c)(3)1996$0$02025-08
Global Alliance Baton Scholarship ProgramArts, culture and humanities501(c)(3)2024
Institute of Management Accountants Inc501(c)(3)1974$0$02025-06
Kiwanis Club of Muskego Foundation IncEducation501(c)(3)1994$0$02025-12
Knights of Columbus501(c)(8)1940$0$02026-06
Knights of Columbus501(c)(8)1940$0$02025-12
Lake Denoon Ptso501(c)(3)2018$0$02025-12
Lakepoint Church IncReligion-related501(c)(3)20122025-12
Lambda Kappa Sigma - Beta Delta501(c)(7)1967
Lambda Kappa Sigma - Beta Epsilon501(c)(7)1967$0$02024-12
Lambda Kappa Sigma Alumni Association501(c)(7)1967$0$02024-12
Lambda Kappa Sigma Inaternational501(c)(7)1997$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1970$0$02025-06
Lambda Kappa Sigma International501(c)(7)1943$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02023-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lambda Kappa Sigma International501(c)(7)1967$0$02025-06
Lamboa Kappa Sigma International501(c)(7)1967$0$02025-06
Laudate Jesu Children of KenyaHuman services501(c)(3)2024$0$02025-12
Lexis Hearts for Homes IncHuman services501(c)(3)2021$0$02025-12
Little Muskego Lake Association Inc501(c)(3)1982$0$02026-04
Lou Warobick Junior Golf Foundation IncEducation501(c)(3)2004$0$02025-12
Lutheran Missions Attic Workshop IncReligion-related501(c)(3)1996$0$02025-12
MHS Gridiron ClubRecreation and sports501(c)(3)2023$0$02025-12
MgvaRecreation and sports501(c)(3)2026
Mill Valley Elementary School PtoEducation501(c)(3)2022$0$02025-12
Miss Milwaukee Scholarship Organiza Tion IncYouth development501(c)(3)2025$0$02025-12
Monuments Milwaukee IncCommunity improvement and capacity building501(c)(3)2014$0$02024-12
Muskego Bowling Club IncRecreation and sports501(c)(3)2023$0$02025-12
Muskego Chapt 1617 Women of the Moose501(c)(8)1935$0$02026-04
Muskego Citizens Police Academy Alumni Association IncEducation501(c)(3)2016$0$02025-12
Muskego Corvette Club IncPublic and societal benefit501(c)(3)2023$0$02025-12
Muskego Digs Volleyball Booster ClubRecreation and sports501(c)(3)2018$0$02024-09
Muskego High School Baseball Booster ClubRecreation and sports501(c)(3)2022$0$02025-12
Muskego Historical Society IncArts, culture and humanities501(c)(3)2019$0$02025-12
Muskego Icetronauts Snowmobile Clubs Inc501(c)(4)1987$0$02025-02
Muskego Jr Warriors VolleyballRecreation and sports501(c)(3)2023$0$02024-12
Muskego Lacrosse Club IncRecreation and sports501(c)(3)2020$0$02025-12
Muskego Lake PtoEducation501(c)(3)2014$0$02026-06
Muskego Police Department Public Safety FundPublic safety, disaster preparedness and relief501(c)(3)2022$0$02024-12
Muskego Stars Volleyball Club IncRecreation and sports501(c)(3)2012$0$48,6742025-09
Muskego Warriors Block PartyYouth development501(c)(3)2023$0$02024-12
Muskego Warriors Soccer Booster Club IncRecreation and sports501(c)(3)2019$0$02025-12
Muskego Womans Club501(c)(3)1991$0$02026-04
National Society of the Sons of the American Revolution501(c)(3)1944$0$02026-03
New Beginning Christian Church IncReligion-related501(c)(3)2002
Petal PantryHuman services501(c)(3)2025$0$02025-12
Praise Fellowship Inc501(c)(3)1992
Rosenau Family Research FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2009$35 million2024-12
Saving Sadie IncYouth development501(c)(3)2018$0$02025-12
Society of St Vincent de Paul of Waukesha County Inc501(c)(3)2020$0$02025-09
Sophias Promise IncDiseases, disorders and medical disciplines501(c)(3)2011$0$02025-12
St Paul Lutheran Church501(c)(3)1966
Toastmasters International501(c)(3)1945$0$02025-12
Unite4peytonMedical research501(c)(3)2011$0$02024-12
Veterans of Foreign Wars of the United States Dept of Wisconsin501(c)(19)1973$0$02025-06
Warriorbots Robotics CorporationEducation501(c)(3)2023$0$02025-06
Wisconsin Bakers Foundation IncFood, agriculture and nutrition501(c)(3)2024$0$02025-12
Womens Business Owners Network IncCommunity improvement and capacity building501(c)(6)2006$0$02025-06
Muskego Community Festival Inc501(c)(4)1990$-919$47,3602025-12

By cause in Muskego, WI

Nonprofits in every city of the state

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.