Nonprofits in Groton, Connecticut
Nonprofits in Groton, Connecticut. Browse 201 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
- International Association of Fire Fighters
EIN 046313024 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 510251037 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Brotherhood of Boilermakers # 614
EIN 060728257 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Brotherhood of Electrical Workers - 0261 Local
EIN 060729150 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Roller Sports Association Inc
EIN 800639048 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- International Union Uaw Local 571 Local Union 571 Uaw
EIN 060790824 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Iowa Frg
EIN 851222273 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- John Kelley Memorial Fund Inc
EIN 300697836 · Headquarters: GROTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Joseph a Baloga Tr
EIN 477149681 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Knights of Columbus
EIN 237541386 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Laborers International Union of North America #547
EIN 060606560 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ladies Auxiliary of the Fleet Reserve Association
EIN 273590466 · Headquarters: GROTON, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lamb Christian Helping Hands Inc
EIN 862899144 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ledge Light Foundation
EIN 471831785 · Headquarters: GROTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Legacy a Residential Recovery Program for Women
EIN 852098463 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Lions Den Dance Company
EIN 812418769 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Little League Baseball Inc
EIN 066074549 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Malta Inc
EIN 061554478 · Headquarters: Groton, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Margaret Drakeley Memorial Scholarship Fund
EIN 061718656 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Marine Science Magnet High School Pto
EIN 453766998 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mary Morrisson Parent-teacher Organization
EIN 061300294 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Messina Family Foundation Inc
EIN 334122493 · Headquarters: Groton, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Moms Club
EIN 510520457 · Headquarters: Groton, CT, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Mumford Cove Yacht Club
EIN 272952544 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Air Traffic Controllers Association
EIN 873449930 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Government Employees
EIN 237324456 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Naval and Maritime Consortium Inc
EIN 844451394 · Headquarters: GROTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Naval Submarine School Wardroom Association
EIN 821499398 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New London County Bar Association Inc
EIN 061017904 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New London Metal Trades Council
EIN 060754894 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Newport News Frg
EIN 883884323 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nimble America Inc
EIN 813832418 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Noank Community Support Services
EIN 237168334 · Headquarters: Groton, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Noank Fire Company No 1 Inc
EIN 061527111 · Headquarters: Groton, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nutmeg Volunteer Jr Ancient Fife & Drum Corps Inc
EIN 222804844 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odd Fellows Faith Hope and Charity Fund Inc
EIN 262507307 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Odd Fellows Healthcare Inc
EIN 262507180 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Odd Fellows Home of Connecticut Inc
EIN 060646771 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Opeiu Local # 106
EIN 066068934 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Patrolmans Benevolent Association Groton Post 3
EIN 060981554 · Headquarters: Groton, CT, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Permit Technician Association of Ct
EIN 994432123 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Physicians for a National Health Program
EIN 911884781 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Polidori Family Charitable Foundation
EIN 061604264 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Pop Warner Little Scholars Inc
EIN 833630801 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Poquonnock Bridge Neighborhood Association Inc
EIN 061420123 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Prodigal Fusion Productions Inc
EIN 201046575 · Headquarters: Groton, CT, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Proscenium Players Inc
EIN 770611145 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Purity Lodge 150 Ancient Free and Accepted Masons of Groton Mystic
EIN 465516180 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Riverfront Childrens Center Inc
EIN 060732017 · Headquarters: Groton, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Road Signs for Life
EIN 933583256 · Headquarters: Groton, CT, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Robert E Fitch High School Athletic Hall of Fame Inc
EIN 813222117 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rotary International
EIN 066103828 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Saints Way
EIN 995131173 · Headquarters: Groton, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scient Credit Union Foundation Inc
EIN 271578140 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Seabird Enterprises Inc
EIN 222533753 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sent to Serve Inc
EIN 261501676 · Headquarters: Groton, CT, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Shennecossett Yacht Club Inc
EIN 060533275 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sons of Hermann of the State of Connecticut
EIN 237574680 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Southeastern Connecticut Enterprise Region Corp
EIN 222973506 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Southeastern Connecticut Television Inc
EIN 203058967 · Headquarters: GROTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Southeastern Connecticut Womens Network
EIN 061441214 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Southeastern Ct Robotics Inc
EIN 844925069 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Southern New England Branch of the American Association For
EIN 061265072 · Headquarters: groton, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Southern New London County Independent Football Club
EIN 853260418 · Headquarters: GROTON, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starr Burying Ground Association
EIN 066037723 · Headquarters: Groton, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- STEPS Inc
EIN 800193566 · Headquarters: Groton, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Submarine Force Library & Museum Association Inc
EIN 237281074 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Submarine Officers Spouses Association Charitable Association
EIN 820565258 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Submarine Officers Spouses Association New London
EIN 237248286 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Supreme Emblem Club of the United States of America 464
EIN 237164239 · Headquarters: Groton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sword Ministries Inc
EIN 465194832 · Headquarters: Groton, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Thames River Heritage Park Foundation Inc
EIN 811693888 · Headquarters: GROTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Thames River Innovation Places Inc
EIN 830544046 · Headquarters: GROTON, CT, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Thames River Pto Inc
EIN 873094707 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Arts Cafe Mystic Inc
EIN 451646961 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Diaspora Inc
EIN 831154182 · Headquarters: GROTON, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- The Electric Boat Management Association
EIN 061052293 · Headquarters: Groton, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Groton Soccer Club Inc
EIN 274082537 · Headquarters: GROTON, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Sandbox Foundation Inc
EIN 845125610 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900115774 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900117539 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901135266 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- U S Submarine Veterans Technology Inc
EIN 331521364 · Headquarters: Groton, CT, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- U S Submarine Veternas of Ww Ii Nat Ional Submarine Preservation Fund
EIN 222586437 · Headquarters: Groton, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- United Brotherhood of Carpenters and Joiners of America
EIN 060795434 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- United Electrical Radio & Machine Workers of America
EIN 270254729 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- United Electrical Radio and Machine Workers of America
EIN 060452576 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- United Ostomy Association of America Inc
EIN 060984870 · Headquarters: GROTON, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- United Ostomy Associations of America Inc
EIN 800543751 · Headquarters: Groton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Us Submarine Veteran Charitable Foundation Inc
EIN 954830806 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Uss California Ssn 781 Frg
EIN 931956741 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Uss Delaware 791 Family Readiness Group
EIN 933829086 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Uss Groton Sail Foundation Inc
EIN 810781519 · Headquarters: GROTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Uss Hartford Family Readiness Group
EIN 475009449 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Uss Missouri Frg
EIN 264642250 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Uss Pittsburgh Family Readiness Group
EIN 823201411 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Uss Texas Ssn 775 Frg Corp
EIN 394076616 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Virginia 774 Frg
EIN 883064026 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Vision for Missions Inc
EIN 061483260 · Headquarters: groton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- William Meredith Foundation Inc
EIN 261561064 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N