Environment nonprofits in Indiana
Environment nonprofits in Indiana. Browse 650 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Main Street Westport In
EIN 812505083 · Headquarters: Westport, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Marion County Master Gardener Association
EIN 351770741 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Marion County Wellfield Education Corp C/o Mundell Associates
EIN 352032313 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Marshall County Chapter of the Izaak Walton League of America
EIN 994176276 · Headquarters: ARGOS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Marshall County Conservation Club Co
EIN 842283818 · Headquarters: Plymouth, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Marshall County Lakes and Waters Council Inc
EIN 454104544 · Headquarters: Walkerton, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Master Gardeners of Montgomery County
EIN 922854346 · Headquarters: Crawfordsville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mccutchanville Garden Club Inc
EIN 351759953 · Headquarters: EVANSVILLE, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Medora Brick Plant and Historical Sites Inc
EIN 815300723 · Headquarters: Medora, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Messick Lake and River Front Association Inc
EIN 933499126 · Headquarters: Wolcottville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Miami County Master Gardener Associ
EIN 450501020 · Headquarters: PERU, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Michiana Master Gardeners Association Inc
EIN 351983687 · Headquarters: Goshen, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Michiana Watershed Incorporated
EIN 356054757 · Headquarters: SOUTH BEND, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mid America Bonsai Alliance
EIN 411755387 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Midwest Hydrogen Corridor Coalition Inc
EIN 933034529 · Headquarters: BLOOMINGTON, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Miller Business Association
EIN 352037367 · Headquarters: GARY, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Miller Garden Club
EIN 352048428 · Headquarters: GARY, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Monon 16 Community Garden
EIN 823502613 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Monroe County - Identify and Reduce Invasive Species Inc
EIN 871417338 · Headquarters: Ellettsville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Monumental Movement Community Development Corp
EIN 883137941 · Headquarters: INDIANAPOLIS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Moonsville Conservation Club Inc
EIN 356044327 · Headquarters: Anderson, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morse Waterways Association Inc
EIN 264751726 · Headquarters: Cicero, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mud Creek Conservancy Inc
EIN 351941536 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mudpuppy Palace Inc
EIN 882070205 · Headquarters: Mount Vernon, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Muncie Clean City Inc
EIN 310926164 · Headquarters: Muncie, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Myanmar Refugee Education Fund Inc
EIN 995145503 · Headquarters: Muncie, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association for Competitive Mounted Orienteering I
EIN 822205322 · Headquarters: MILTON, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Road Alliance Inc
EIN 352057628 · Headquarters: Cambridge City, IN, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Road Heritage Trail Inc
EIN 412164493 · Headquarters: Plainfield, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Native Plant Rescue Inc
EIN 383802348 · Headquarters: Nashville, IN, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Nature Sanctuary and Center Inc
EIN 351816522 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- New Alsace Conservation Club Inc
EIN 351626762 · Headquarters: Sunman, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Ross Conservation Club Inc
EIN 351107507 · Headquarters: NEW ROSS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Trails for Aboite Inc
EIN 061691475 · Headquarters: Fort Wayne, IN, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990
- New-cue Inc
EIN 522191937 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Newark Cemetery Fund Co
EIN 333100436 · Headquarters: Solsberry, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Niches Endowment Foundation Inc
EIN 061803863 · Headquarters: LAFAYETTE, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Niches Land Trust Inc
EIN 351964901 · Headquarters: LAFAYETTE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nineveh Heritage Committee Inc
EIN 411568794 · Headquarters: NINEVEH, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nms Boundary Waters Program Inc
EIN 832666668 · Headquarters: Elkhart, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Noble County Master Gardener Association Incorporated
EIN 462857355 · Headquarters: Albion, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Noblesville Bridge of Flowers Inc
EIN 863531684 · Headquarters: NOBLESVILLE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- North Harbour Garden Club
EIN 351617068 · Headquarters: Noblesville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northeast Indiana Green Build Coalition Inc
EIN 204589939 · Headquarters: Roanoke, IN, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Northeastern Indiana Master Gardeners Association Inc
EIN 352052988 · Headquarters: Fort Wayne, IN, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Northwest Territory Resource
EIN 352142105 · Headquarters: VALPARAISO, IN, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990
- Nw Ind & Lower Sw Mich Region Ofe Alliance for Young
EIN 208189582 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oak Heritage Conservancy Inc
EIN 270042193 · Headquarters: HANOVER, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ocean-aquarium Foundation Ltd
EIN 822954290 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohio River Scenic Route of Southern Indiana Inc
EIN 352016577 · Headquarters: Jeffersonville, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Old Homestead Preservation Society Inc
EIN 753149093 · Headquarters: Crown Point, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Northside Foundation Inc
EIN 351804206 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orchid Lovers Tr
EIN 436418944 · Headquarters: Cloverdale, IN, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Ouabache Land Conservancy Inc
EIN 800334071 · Headquarters: Terre Haute, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Green Valley Alliance for Sustainability Incorporated
EIN 271685871 · Headquarters: West Terre Haute, IN, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Our World of Wildlife Inc
EIN 831535671 · Headquarters: Portage, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outdoor Intervention Inc
EIN 883243337 · Headquarters: Plainfiled, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overland Expo Foundation Incorporated
EIN 844220859 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Owen County Garden Club
EIN 331447329 · Headquarters: Poland, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oxbow Inc
EIN 311187631 · Headquarters: Lawrenceburg, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oxbow of Indiana Inc
EIN 311390071 · Headquarters: Lawrenceburg, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- P4c Paddle Club Inc
EIN 811804551 · Headquarters: Warsaw, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pahls Inc
EIN 351546153 · Headquarters: Hobart, IN, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Park Pals Inc
EIN 830665856 · Headquarters: Newburgh, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Parks for People Incorporated
EIN 831880139 · Headquarters: RENSSELAER, IN, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Patton Park Incorporated
EIN 351467161 · Headquarters: MARTINSVILLE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Pennsy Trails of Hancock County Inc
EIN 811929129 · Headquarters: New Palestine, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- People for Pollinators Inc
EIN 993423422 · Headquarters: INDIANAPOLIS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- People for Urban Progress Inc
EIN 263733786 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Plastic Reduction Alliance Incorporated
EIN 392391690 · Headquarters: Chesterton, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Porter County Master Gardeners Association
EIN 260077092 · Headquarters: VALPARAISO, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Porterco Conservation Trust Inc
EIN 814230173 · Headquarters: Chesterton, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Potawatomi Audubon Society
EIN 351655765 · Headquarters: MICHIGAN CITY, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Prairie Winds Nature Farm Inc
EIN 813115381 · Headquarters: LAKEVILLE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Prairie Woods Botanical Garden Inc
EIN 200654861 · Headquarters: Bloomington, IN, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Preservation of the Res Inc
EIN 310896539 · Headquarters: Mishawaka, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Preserve Indiana Trails
EIN 825028976 · Headquarters: Paoli, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pretty Lake Conservation Club Inc
EIN 522419053 · Headquarters: Wolcottville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pritchett-Berg Family Woods Foundation
EIN 853883675 · Headquarters: Lizton, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Private Water Natural Resources Association Inc
EIN 831626213 · Headquarters: Russiaville, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Project Eden
EIN 472388863 · Headquarters: NOBLESVILLE, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Prosper Garden Foundation Corp
EIN 934306009 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Protect Our Woods Inc
EIN 351841605 · Headquarters: Paoli, IN, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Protected Lands Inc
EIN 994069467 · Headquarters: NORTH JUDSON, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Putnam County Master Gardener Association
EIN 300301717 · Headquarters: Greencastle, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Quartz Inc
EIN 351596567 · Headquarters: Evansville, IN, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Quiet Parks International
EIN 833766591 · Headquarters: Valparaiso, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Raccoon Lake-union Township Home Owners Association
EIN 352077824 · Headquarters: Rockville, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Raising Funds
EIN 862860883 · Headquarters: Fort Wayne, IN, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Randolph County Invasive Species Exterminators
EIN 331831492 · Headquarters: WINCHESTER, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rangeline Conservation Club Inc
EIN 831690119 · Headquarters: Clinton, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rapha Road Inc
EIN 831265426 · Headquarters: NOBLESVILLE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Recycle-hk
EIN 334794390 · Headquarters: Whitestown, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Recyclemania Inc
EIN 452772614 · Headquarters: Muncie, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Red-tail Land Conservancy Inc
EIN 341889427 · Headquarters: MUNCIE, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Reef Stewardship Foundation
EIN 260227716 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Remington-wolcott Community
EIN 262692267 · Headquarters: REMINGTON, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Renew Indianapolis Inc F/k/a the Land Bank of Indianapolis Inc
EIN 800619587 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990
- Renewable Hope Inc
EIN 454976666 · Headquarters: PENDLETON, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Renewable Revolt Incorporated
EIN 992777606 · Headquarters: Hammond, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N