Environment nonprofits in Delaware
Environment nonprofits in Delaware. Browse 155 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
- Mango Manor Foundation
EIN 993328930 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Marian Coffin Garden at Gibraltar Inc
EIN 273022218 · Headquarters: WILMINGTON, DE, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Milford Garden Club
EIN 510347532 · Headquarters: Milford, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mill Pond Garden
EIN 465236792 · Headquarters: Lewes, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Milton Garden Club Inc
EIN 510391028 · Headquarters: Milton, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Muslim Climate Watch Inc
EIN 991946190 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nanticoke Heritage Byway Inc
EIN 822070572 · Headquarters: Seaford, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nanticoke River Watershed Conservan C/o Lank Johnson & Tull
EIN 510342623 · Headquarters: SEAFORD, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nanticoke Watershed Alliance Inc
EIN 521948570 · Headquarters: Seaford, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Conservation District Employees Association Inc
EIN 203452791 · Headquarters: DOVER, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Sprint Car Association Inc
EIN 871166934 · Headquarters: Lewes, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Earth Foundation Inc
EIN 860865717 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- New Leaf Garden Club
EIN 932288645 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Newark Bike Project Inc
EIN 454321156 · Headquarters: Newark, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Omnicolosx Inc
EIN 873197856 · Headquarters: MIDDLETOWN, DE, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Os Ocean Sea Foundation Inc
EIN 301173625 · Headquarters: MILTON, DE, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Partnership for the Delaware Estuary Inc
EIN 510375307 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Plantation Lakes Garden Club
EIN 811386529 · Headquarters: Millsboro, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Plastic Free Delaware
EIN 852916447 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Port of Wilmington Maritime Society
EIN 510252394 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Preserve Our Park Coalition Inc
EIN 932231092 · Headquarters: LEWES, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Rescue Earth Foundation
EIN 842174734 · Headquarters: New Castle, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Redlac Incorporated
EIN 992344151 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Renew New England Alliance
EIN 850775600 · Headquarters: DOVER, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Reuse Everything Institute
EIN 454443365 · Headquarters: Willmington, DE, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Roatan Marine Park International Inc
EIN 473343970 · Headquarters: DOVER, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rodney Square Conservancy Inc
EIN 843807542 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Salt Air Gardeners
EIN 814098794 · Headquarters: Ocean View, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Groundwater Foundation
EIN 922534036 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Save Our Lakes Alliance
EIN 421632658 · Headquarters: Rehoboth Beach, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sea Leg Foundation
EIN 811659154 · Headquarters: LINCOLN, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sierra Leone Watershed Project Foundation
EIN 460872511 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Soil and Spirit Inc
EIN 412761323 · Headquarters: MIDDLETOWN, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Spade & Trowel Garden Club
EIN 510272584 · Headquarters: Seaford, DE, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sussex County Land Foundation Inc T/a Sussex County Land Trust
EIN 043611220 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sussex Health and Environmental Net
EIN 932648552 · Headquarters: SELBYVILLE, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sussex Preservation Coalition
EIN 884400126 · Headquarters: Rehoboth, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Synq Alliance Foundation Inc
EIN 873064838 · Headquarters: Middletown, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Terra Collective Institute
EIN 852148025 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Greater Lewes Foundation
EIN 510400365 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Joseph Banks Society
EIN 943285067 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- The Nanticoke Watershed Preservation Group Inc
EIN 511333195 · Headquarters: Seaford, DE, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- The Outdoorist Foundation
EIN 992441245 · Headquarters: DOVER, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Research Foundation for the Innovation of Eco-education
EIN 844994745 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Sky Foundation Inc
EIN 852640958 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Sunrise Project Inc
EIN 872370083 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Towle Ocean Conservation Foundation
EIN 474038250 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Trust Ua with H C Green Fbo Chesapeake
EIN 207058117 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Turn the Tide Foundation Inc
EIN 372213723 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Twin Fins Alliance Inc
EIN 412399070 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Whitehall Community Garden Association
EIN 934338534 · Headquarters: Middletown, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wild Wonderment Foundation
EIN 991543150 · Headquarters: Ellendale, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wildlife Habitat Inc
EIN 510367455 · Headquarters: GEORGETOWN, DE, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Witte V Fbo Cincinnati Nature Ta
EIN 261588676 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- WRLD Foundation
EIN 872610501 · Headquarters: WIlmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990