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Data / Nonprofits / Louisiana / Environment

Environment nonprofits in Louisiana: 295 registered with the IRS

295 environment nonprofits are registered with the IRS in Louisiana, 282 of them 501(c)(3) charities; the 87 that report revenue took in $100.7 million. The most are in New Orleans (51), Baton Rouge (43), Lafayette (15). The largest by revenue: Water Institute of the Gulf ($17.5 million), Deep South Center for Environmental Justice ($15.1 million), Taproot Earth ($9.6 million).

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

OrganizationCityTypeSinceRevenueAssetsFiling
Water Institute of the GulfBaton Rouge501(c)(3)2011$17.5 million$6.7 million2024-12
Deep South Center for Environmental JusticeNew Orleans501(c)(3)2005$15.1 million$17.9 million2024-12
Taproot EarthSlidell501(c)(3)2022$9.6 million$17.6 million2024-12
Road Home CorporationBaton Rouge501(c)(3)2008$8.1 million$26.2 million2025-06
Audubon Nature Institute FoundationNew Orleans501(c)(3)1991$3.9 million$35.4 million2024-12
The Coalition To Restore Coastal LouisianaBaton Rouge501(c)(3)1988$3.6 million$1.5 million2025-06
Pontchartrain ConservancyMetairie501(c)(3)1990$3.3 million$1.9 million2024-12
Louisiana Bucket BrigadeNew Orleans501(c)(3)2001$3.3 million$6.2 million2025-06
Turkey Creek Water System IncGilbert501(c)(12)2007$3 million$6.1 million2025-12
Healthy GulfNew Orleans501(c)(3)1999$2.4 million$6.2 million2024-12
Knock Knock Childrens Museum IncBaton Rouge501(c)(3)2004$2.3 million$8.3 million2024-12
Louisiana Wildlife and Fisheries FoundationBaton Rouge501(c)(3)1996$1.6 million$5.9 million2025-12
National Network of Abortion FundsNew Orleans501(c)(3)1994$1.6 million$519,1712025-06
Alliance for Affordable EnergyNew Orleans501(c)(3)2021$1.6 million$2.5 million2025-06
Water Collaborative of Greater New OrleansNew Orleans501(c)(3)2020$1.6 million$838,3792023-12
Capital Area Corporate Recycling CounselBaton Rouge501(c)(3)1996$1.5 million$614,8892024-12
Pelican Community CapitalBaton Rouge501(c)(3)2024$1.4 million$958,4992024-12
Groundwork New OrleansNew Orleans501(c)(3)2024$1.3 million$151,4112024-12
Sustaining Our Urban Landscape SoulNew Orleans501(c)(3)2019$1.3 million$652,0162026-03
Louisiana Clean Fuels IncBaton Rouge501(c)(3)2022$1.3 million$477,2902025-09
Center for Sportfishing PolicyBaton Rouge501(c)(4)2007$1.2 million$697,8762024-12
American Rose SocietyShreveport501(c)(3)1983$1.2 million$6.3 million2024-12
Willwoods Community Management IncMetairie501(c)(3)2002$860,354$7.7 million2025-07
Louisiana Environmental Action NetworkBaton Rouge501(c)(3)1988$658,487$223,3632024-12
Water Wise Gulf SouthNew Orleans501(c)(3)2019$638,547$782,8312024-12
Common Ground Community IncShreveport501(c)(3)2004$583,074$779,5252025-12
Lake Area Industry AllianceLake Charles501(c)(3)2001$541,655$478,8572024-12
Teaching Responsible Earth EducationNew Orleans501(c)(3)1996$460,119$121,0382025-07
Green Light New OrleansNew Orleans501(c)(3)2007$456,435$609,7012025-12
Green Project IncNew Orleans501(c)(3)1994$446,130$494,8052024-06
Grounds Krewe Nola IncNew Orleans501(c)(3)2019$438,681$472,9692026-04
Atchafalaya Basinkeeper IncPlaquemine501(c)(3)2006$425,644$571,4762025-12
Keep Louisiana Beautiful Foundation IncMandeville501(c)(3)2001$391,863$836,2962025-06
For A Better BayouLake Charles501(c)(3)2023$377,663$270,3272024-12
Nebo Water System IncHarrisonburg501(c)(12)2016$364,694$5.6 million2024-12
Louisiana Forestry FoundationAlexandria501(c)(3)1969$362,645$3.5 million2024-12
Proud Louisiana LLCLafayette501(c)(3)2020$348,338$130,6172024-12
Barataria-Terrbonne Estuary Foundation IncThibodaux501(c)(3)1998$328,735$1 million2025-12
Sardis Waters System IncHarrisonburg501(c)(12)2020$300,358$826,0172024-12
Sparta Foundation IncMinden501(c)(3)2023$253,968$160,5912024-12
Keep Livingston Parish Beautiful IncBaton Rouge501(c)(3)2002$253,313$213,1412024-12
Capital Resource Conservation and Development Council IncHammond501(c)(3)1988$228,400$26,8712025-09
Friends of Hilltop Arboretum IncBaton Rouge501(c)(3)1988$226,463$464,4222024-12
Ouachita GreenWest Monroe501(c)(3)2015$226,157$173,2502025-12
The Edward G Schlieder Urban Waste Management & Research Chair TrustNew Orleans501(c)(3)1993$213,713$1.8 million2025-06
Nola Tree ProjectNew Orleans501(c)(3)2006$203,725$253,0842024-12
Restore Or RetreatThibodaux501(c)(3)2000$202,542$438,2062025-12
WakeNew Orleans501(c)(3)2020$185,938$100,6182025-06
Louisiana Grazing Lands Conservation InitiativeBaton Rouge501(c)(3)2014$184,844$133,2242025-12
Garden Study Club of New OrleansMetairie501(c)(3)1980$173,490$256,3212025-07
First Peoples Conservation Council of LouisianaChauvin501(c)(3)2015$172,455$144,5492025-12
Louisiana Section Air & Waste Management AssociationNew Orleans501(c)(3)1995$164,074$279,8432025-12
GlassrootsNew Orleans501(c)(3)2020$147,424$152,3362024-12
Open Waters Louisiana IncMetairie501(c)(3)2023$143,549$2,0222024-12
Louisiana Pacific Land & Water ConservancyLafayette501(c)(3)2004$142,165$12 million2024-12
Querbes Park Foundation IncShreveport501(c)(3)2025$141,228$128,2792025-12
Foundation for the Preserv of the Caroline Dormon Nature Preserv IncNatchitoches501(c)(3)1972$136,152$760,6872025-12
Friends of Jefferson the Beautiful IncMetairie501(c)(3)1999$125,945$48,0402025-12
Shreveport Garden Study ClubShreveport501(c)(3)1998$112,408$539,2002024-05
Glass Act RecyclingAlexandria501(c)(3)2021$106,943$47,7422025-12
Toledo Bend Lake AssociationMany501(c)(3)2002$89,418$218,7292024-12
Keep Bossier BeautifulBossier City501(c)(3)1990$83,621$65,7992025-12
Terrytown Economic Development AssociationBaton Rouge501(c)(3)2013$81,460$3,7332025-12
Deep South Garden ClubsMarrero501(c)(3)2017$74,159$60,9012025-05
Nola East Economic Development Focus GroupNew Orleans501(c)(3)2021$68,421$35,5792025-12
Friends of False River Park IncNew Roads501(c)(3)2019$64,800$8,9402025-12
American Rose SocietyShreveport501(c)(3)1983$63,806$135,3932024-12
Acadiana Native Plant Project Greaux NativeSunset501(c)(3)2017$63,129$89,8752024-12
Jefferson Beautification IncNew Orleans501(c)(3)1991$61,859$136,6062024-12
Keep Tiger Town Beautiful IncBaton Rouge501(c)(3)2023$60,714$102,8082025-12
Lafayette Parish Master Gardners AssociationLafayette501(c)(3)1999$59,881$181,2562024-12
Morehouse Beautification IncBastrop501(c)(3)2007$53,399$120,5242025-12
St Tammany Masters Gardners AssociationCovington501(c)(3)2017$51,933$53,0542024-12
Nela Supportive CommunitiesRuston501(c)(3)2021$48,405$8,0572025-12
Baton Rouge Garden Center IncBaton Rouge501(c)(3)1981$48,344$7,2052025-12
Do It Greener FoundationLafayette501(c)(3)2020$42,227$76,2742025-12
Teche ProjectArnaudville501(c)(3)2010$33,720$53,2722025-12
Southwest Louisiana Conservation Association IncLake Charles501(c)(3)2013$24,656$969,9662025-12
Friends of Bayou Lafourche IncThibodaux501(c)(3)2017$21,474$119,6902024-12
Dorcheat Acres Water System IncSpringhill501(c)(12)2024$20,813$12024-12
Denham Springs Green Assoc IncBaton Rouge501(c)(3)2001$15,095$69,0242025-06
Tangipahoa Parish Master Gardener AssociationAmite501(c)(3)2010$14,427$14,5162025-12
Urban Tree AllianceMetairie501(c)(3)2023$13,701$12,7632025-06
Cca Louisiana FoundationBaton Rouge501(c)(3)2007$13,068$258,2912024-12
Justice for Formosa VictimsGretna501(c)(3)2020$10,334$360,5222025-07
Friends of Ruston SkateparkRuston501(c)(3)2021$5,752$16,3552025-12
Gulf Organized Fisheries in Solidarity and Hope IncBarataria501(c)(3)2018$1,136$376,4352022-12
350 New Orleans IncNew Orleans501(c)(3)2018$0$02025-12
411forwomenBaton Rouge501(c)(3)2025
Acadiana Master NaturalistsLafayette501(c)(3)2016$0$02025-12
Allen Parish Rodeo AssociationElton501(c)(3)2024
Amite River Preservation AssociationGreenwel SPGS501(c)(3)2022$0$02024-12
Anglers Bettering Louisianas EstuariesSlidell501(c)(3)2017$0$02024-12
Avian Events Support TeamSaint Gabriel501(c)(3)2011$0$11,8082025-12
Azalea Garden ClubNew Iberia501(c)(3)2012$0$02026-05
Backyard Sapphire of AcadianaLafayette501(c)(3)2024
Barbara Harmon Johnson FoundationDuson501(c)(3)2026
Barrier Island Restoration and Development Society IncGretna501(c)(3)2010$0$02025-06
Baton Rouge Orchid SocietyBaton Rouge501(c)(3)2021$0$02025-10
Bayou ReefkeepingAbita Springs501(c)(3)2016$0$02025-12
Bayou Vermlion Preservation Association IncLafayette501(c)(3)2014$0$02025-12
Beekeepers of Tangi-TamingtonCovington501(c)(7)2022$0$02025-12
Biome Stewardship Foundation IncLafayette501(c)(3)2014$0$02025-12
Bistineau FoundationShreveport501(c)(3)2007$0$02025-12
Bullybox Passion ProjectOpelousas501(c)(3)2020$0$02025-12
Cajun Prairie Habitat Preservation SocietyBoyce501(c)(3)1989$0$02025-12
Cenla Daylily SocietyLake Charles501(c)(3)2016$0$02023-12
Center for Human-Environmental ResearchNew Orleans501(c)(3)2017$0$124,6792025-12
Central Louisiana Coalition for A Clean & Healthy EnvironmentColfax501(c)(3)2023$0$02025-12
Clean Green NeighborhoodBaton Rouge501(c)(3)2025$0$02025-12
Clean Pelican IncBaton Rouge501(c)(3)2021$0$02025-12
Coastal Plain ConservancyLake Charles501(c)(3)2004$0$02025-12
Community Power SouthNew Orleans501(c)(3)2024
Concern Citizens of MossvilleWestlake501(c)(3)2026$0$02025-12
Concerned Citizens of Houma Bayou Black & GibsonHouma501(c)(3)2019$0$02025-12
Concerned Citizens of St John IncReserve501(c)(3)2026$12022-12
Confetti Kids IncNew Orleans501(c)(3)2002$0$02025-12
Covington Garden Club IncCovington501(c)(3)2018$0$02026-05
CrispNew Orleans501(c)(3)2025$0$02020-12
Crown Community GardenNew Orleans501(c)(3)2016$0$02025-12
Cultivating CultureSlidell501(c)(3)2023$0$02024-12
Culture of CleanlinessNew Orleans501(c)(3)2023$0$02025-12
Cypress Area Garden ClubBenton501(c)(3)2000$0$02025-12
Darbonne Master Gardeners AssociationFarmerville501(c)(3)2015$0$02025-12
Denham Springs Garden ClubDenham SPGS501(c)(3)2018$0$02026-03
Dequincy Garden Club IncDequincy501(c)(3)2010$0$02025-12
Dine CorporationShreveport501(c)(3)2021$0$02025-12
District Vi Garden ClubCovington501(c)(3)1953$0$02025-05
Earth for AllBaton Rouge501(c)(3)2023$0$02025-12
Easl IncGonzales501(c)(3)2014$0$02025-12
East Baton Rouge Master Gardener AssociationBaton Rouge501(c)(3)2001$0$02023-12
Ecorigs Non Profit OrganizationNew Orleans501(c)(3)2000$0$02023-12
Feliciana Forestry AssociationClinton501(c)(5)2003$0$02025-12
Feliciana Preserve Landowner Association IncBaton Rouge501(c)(3)1997$312,3922025-12
Festival Des Fleurs de Louisiane IncCarencro501(c)(3)2015$0$02025-12
First Union Baptist ChurchAlexandria501(c)(3)2002
Friends of Cohn ArboretumBaton Rouge501(c)(3)2018$0$02023-12
Friends of Lake ConcordiaVidalia501(c)(3)2024$0$02025-12
Friends of Palmer ParkNew Orleans501(c)(3)2015$0$02024-12
Friends of Palmetto Island State Park IncPerry501(c)(3)2011$0$02025-12
Friends of West End IncNew Orleans501(c)(3)2009$0$02023-12
Friends of the AtchafalayaPrairieville501(c)(3)2007$0$02025-12
Friends of the Atchafalaya National Estuarine Research Reserve IncMorgan City501(c)(3)2024$0$02025-06
Friends of the Coates Bluff Nature TrailShreveport501(c)(3)2022$0$02025-12
Friends of the Community of Franklin IncFranklin501(c)(3)2025$0$02025-12
Friends of the Red River National Wildlife Refuge IncBossier City501(c)(3)2005$0$02025-09
Future Wetlands IncCovington501(c)(3)2023$0$02023-12
Good Earth Resilience ProjectHouma501(c)(3)2021$0$02025-12
Greater New Orleans Bromeliad Society IncKenner501(c)(7)2026$0$02025-12
Greater New Orleans Iris Society IncMetairie501(c)(3)2017$0$02024-12
Green Fund IncMandeville501(c)(3)1994$0$02026-08
Gretna Community AssociationGretna501(c)(3)2001$0$02025-12
Gulf Coast Watermen IncNew Orleans501(c)(3)2022$0$02025-12
Habana Works IncNew Orleans501(c)(3)2007$0$9132024-12
Herb Society of America Inc-Baton Rouge UnitBaton Rouge501(c)(3)1997$0$02026-06
Inclusive Tech South FoundationNew Orleans501(c)(3)2022$0$02023-12
Join for Clean AirNew Orleans501(c)(3)2022$13,1842023-12
Keep Abita BeautifulAbita Springs501(c)(3)2018$0$02025-06
Keep Algiers BeautifulNew Orleans501(c)(3)2025
Keep Carencro BeautifulCarencro501(c)(3)2025
Keep Covington Beautiful IncCovington501(c)(3)1995$0$02025-12
Keep Saint Bernard BeautifulChalmette501(c)(3)2024
Keep Slidell Beautiful IncSlidell501(c)(3)2025$81,0362022-12
Keep West Feliciana BeautifulSt Francisvle501(c)(3)2023$0$02025-12
Keep Westbank BeautifulMarrero501(c)(3)2025$0$02025-12
Keep the Boot Strong FoundationSt Bernard501(c)(3)2026
Krewe Du CypressNew Orleans501(c)(3)2023$0$02025-06
Krewe of Ascension MamboGonzales501(c)(3)2024
LGCF District IIRiver Ridge501(c)(3)2019$0$02025-12
La-Terre Master Gardeners AssociationHouma501(c)(3)2002$0$02026-05
Lafayette Garden Club FederationLafayette501(c)(3)1953$0$02026-05
Lake Charles Facilities CorporationLake Charles501(c)(3)2016$0$02024-12
Lakeshore Beautification Corporatio NSlidell501(c)(3)2026
Las Cabezas IncZwolle501(c)(3)2015$0$02025-12
Lecompte Garden Club IncLecompte501(c)(3)2004$0$02026-03
Les Reflections Du BayouCut Off501(c)(3)1997$0$02025-12
LevityArnaudville501(c)(3)2024$0$02025-12
Livingston Master Gardener AssociationLivingston501(c)(3)2024$0$02025-12
Lora Foundation IncBaton Rouge501(c)(3)2021$3,2192025-12
Louisiana Bayou SocietyBreaux Bridge501(c)(3)2025$0$02025-12
Louisiana Citizens for Our FutureBaton Rouge501(c)(6)2026
Louisiana Coastal Preservation FoundationChalmette501(c)(3)2022$12025-12
Louisiana Environmental Educators AssociationLongville501(c)(3)2016$0$02025-12
Louisiana Future Projects CorporationMetairie501(c)(3)2024$0$02025-12
Louisiana Garden Club FederationBaton Rouge501(c)(3)1953$0$02025-05
Louisiana Garden Club FederationBaton Rouge501(c)(3)1953$0$02026-05
Louisiana Garden Club FederationLafayette501(c)(3)1953$0$02025-05
Louisiana Garden Club FederationJennings501(c)(3)1953$0$02024-05
Louisiana Garden Club FederationMandeville501(c)(3)1953$0$02024-12
Louisiana Garden Club FederationLake Charles501(c)(3)1953$0$02026-03
Louisiana Garden Club FederationHouma501(c)(3)1953$0$02025-05
Louisiana Garden Club FederationGrand Isle501(c)(3)2019$0$02026-05
Louisiana Garden Club FederationFerriday501(c)(3)1953$0$02026-05
Louisiana Garden Club FederationOak Grove501(c)(3)1953$0$02025-03
Louisiana Garden Club FederationDelhi501(c)(3)1953$0$02024-03
Louisiana Garden Club FederationVidalia501(c)(3)1953$0$02024-05
Louisiana Garden Club FederationAbbeville501(c)(3)1953$0$02025-05
Louisiana Garden Club FederationAbbeville501(c)(3)1953$0$02025-12
Louisiana Garden Club FederationOakdale501(c)(3)1953$0$02025-12
Louisiana Garden Club FederationMarksville501(c)(3)1953$0$02025-05
Louisiana Greater Caddo Lake AssociationMooringsport501(c)(3)2010$0$02024-12
Louisiana Lakes ConservancyBaton Rouge501(c)(3)2015$0$02025-12
Louisiana Master Naturalist Association IncorporatedLafayette501(c)(3)2019$0$02026-06
Louisiana Master Naturalist of Greater Baton RougeBaton Rouge501(c)(3)2016$0$02025-12
Louisiana Master Naturalist-NortheastWest Monroe501(c)(3)2018$0$02025-12
Louisiana Master Naturalists Northwest Louisiana Chapter IncBenton501(c)(3)2014$0$02025-12
Louisiana Master Naturalists of Greater New OrleansNew Orleans501(c)(3)2014$0$02025-12
Louisiana Purchase Cypress LegacyNew Orleans501(c)(3)2024$0$02024-11
Louisiana Recycling CoalitionBaton Rouge501(c)(3)2022$0$02024-12
Louisiana Science Supervisors OrganizationKenner501(c)(3)1993$0$02025-12
Louisiana Wild SocietySt Francisvle501(c)(3)2023$0$02024-12
Lousiana Garden Club Federation IncNew Orleans501(c)(3)1953$0$02025-05
Lousiana Garden Club Federation IncLake Charles501(c)(3)1953$0$02026-05
Lousiana Garden Club Federation IncExtension501(c)(3)1953$0$02026-05
Lousiana Garden Club Federation IncCottonport501(c)(3)1953$0$02025-05
Lousiana Garden Club Federation IncNew Iberia501(c)(3)1953$0$02026-05
Lousiana Garden Club Federation IncGonzales501(c)(3)1953$0$02026-05
Lousiana Garden Club Federation IncMarksville501(c)(3)1953$0$02026-05
Love How You Feel Planet Earth IncLafayette501(c)(3)2012
Master Gardeners of Greater New Orleans IncorporatedMetairie501(c)(3)2011$0$02025-12
Michelles Earth FoundationNew Orleans501(c)(3)2007$0$02024-12
Mighty Mo Junk Removal and Hauling IncStonewall501(c)(3)2025
Modern Civilian Conservation CorpsDenham SPGS501(c)(3)2025
Monroe Garden ClubMonroe501(c)(3)2005$0$02025-05
Myrtle Grove Land Preservation IncMetairie501(c)(3)2010$0$02025-12
National Wildbird Refuge IncSt Francisvle501(c)(3)1992$0$02025-12
Native Plant Initiative of Greater New OrleansJefferson501(c)(3)2019$0$02025-12
Never Forsaken Safe HavenSlidell501(c)(3)2026
New Orleans Orchid SocietyMetairie501(c)(3)2020$0$02025-12
New Orleans Oyster FestivalMetairie501(c)(4)2010$0$02023-12
New Orleans for Lincoln BeachNew Orleans501(c)(3)2025
Nola Cans 4 FoodNew Orleans501(c)(3)2023$12025-12
North Central Louisiana Master Gardeners IncRuston501(c)(3)2018$0$02025-12
Northlake Nature Center IncMandeville501(c)(3)1984$0$02025-06
Northshore RiverwatchFolsom501(c)(3)2023$0$02025-12
Ouachita Mountains Biological StationShreveport501(c)(3)1999$529,7902024-12
Pacific Basin Consortium for Environment and HealthBaton Rouge501(c)(3)2024$0$02025-12
Parks for AllNew Orleans501(c)(3)2015$0$02025-12
Peoples Forest FoundationCovington501(c)(3)2023$0$02025-12
Piles and PeelsLake Charles501(c)(3)2017$0$02025-12
Piney Hills Prescribed Burn AssoicationRuston501(c)(3)2025$0$02025-12
Ponder & Jody Jones Memorial Fund IncDenham SPGS501(c)(3)2009$0$02023-12
Priorities Intentions Practical Exchanges IncShreveport501(c)(3)2021$0$02025-12
Rapides Wildlife AssociationCheneyville501(c)(4)2011$0$02025-12
Recover AcadianaLafayette501(c)(3)2017$0$02025-12
Red River Clean Up IncBossier City501(c)(3)2016$0$02024-12
Red River Coalition of Community GardenersShreveport501(c)(3)2012$0$02025-12
Red Stick S P A C EBaton Rouge501(c)(3)2025$0$02024-12
Response Emergency Training ConsultantsBaton Rouge501(c)(3)2011$0$02024-12
Responsible Anglers United IncRaceland501(c)(3)2024$0$02024-12
Restoration Initiative in the Gulf FoundationBaton Rouge501(c)(3)2012$0$02024-12
Restore TrustLongville501(c)(3)2004$8,5912025-03
Ropes of Hope Foundation IncLafayette501(c)(3)2023$0$02025-12
Rural Roots LouisianaDonaldsonvlle501(c)(3)2023$0$02025-12
Sabine Parish Chapter of the Louisiana Master GardnersMany501(c)(3)2017$0$02025-12
Sailors Against Litter IncNew Orleans501(c)(3)2020$0$02025-12
Sanctuary EarthBaton Rouge501(c)(3)2015$0$02025-12
Save Audubon ParkNew Orleans501(c)(3)2002$0$02024-12
Scenic LafayetteLafayette501(c)(3)2018$0$02024-12
Score Risers Breaking BarriersPort Allen501(c)(3)2024$0$02024-12
Sea Clean InternationalMandeville501(c)(3)2024
Shorty Hauling and Outreach IncStonewall501(c)(3)2024$0$02025-12
Shreveport Neighborhoods Business Association LLCShreveport501(c)(3)2022$8352025-12
Shreveport Society for Nature Study IncShreveport501(c)(3)2016$0$02025-12
Simply Projects LouisianaBossier City501(c)(3)2019$0$02023-12
SoignerAbbeville501(c)(3)2025
Southeast Land ConservancyHammond501(c)(3)2020$0$02025-12
Southeast Louisiana Daylily Society IncTerrytown501(c)(3)2023$0$02025-12
Southeast Louisiana Prescribed Burn AssociationNew Orleans501(c)(3)2026
Southwest Louisiana Master NaturalistsLake Charles501(c)(3)2017$0$02025-12
Spanish Lake Ecological Education CenterBaton Rouge501(c)(3)2016$0$02026-04
Spring Bayou Restoration Team IncMarksville501(c)(3)2008$0$02025-03
St Charles Avenue Association IncNew Orleans501(c)(3)1990$0$02025-12
St Martinville Garden ClubSt Martinvlle501(c)(3)2019$0$02026-05
Starks Garden ClubStarks501(c)(4)2015$0$02026-06
Tchefuncte River Foundation IncMadisonville501(c)(3)2011$0$02025-12
TeleiosZachary501(c)(3)2025
Tensas Conservancy CoalitionShreveport501(c)(3)2011$695,0352025-12
The Baton Rouge Botanic Garden FoundationBaton Rouge501(c)(3)2018$0$02025-12
The Hammond Garden ClubHammond501(c)(3)2005$0$02026-03
The Louisiana Native Plant SocietyBoyce501(c)(3)2007$0$02025-12
The Street AngelsPrairieville501(c)(3)2025
Thrive Community Enrichment & Development CorporationLake Charles501(c)(3)2020$0$02025-06
Tickfaw 200 IncSpringfield501(c)(4)1999$0$16,2542023-06
Tierra International FoundationLafitte501(c)(3)2016$0$02025-12
Tire Recovery FoundationBaton Rouge501(c)(3)2021$0$02025-12
Tree Canopy NolaNew Orleans501(c)(3)2025
Trees for ShadeKenner501(c)(3)2026
TreesacadianaBroussard501(c)(3)2017$0$02025-12
U S Green Building Council Louisiana ChapterBaton Rouge501(c)(3)2007$0$02025-12
Voice of the WetlandsHouma501(c)(3)2007$0$02025-12
Washington Garden Club IncWashington501(c)(3)2017$0$02025-10
Westwego Beautification CommissionWestwego501(c)(3)2019$0$02025-09
Wildlife Concern International IncNew Orleans501(c)(3)1993$0$02024-12
Woven Roots Community GardensNew Orleans501(c)(3)2022$0$02025-12

Every nonprofit in Louisiana

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.