Data / Nonprofits / Connecticut / Science and technology
Science and technology nonprofits in Connecticut: 84 registered with the IRS
84 science and technology nonprofits are registered with the IRS in Connecticut, 81 of them 501(c)(3) charities; the 28 that report revenue took in $62.8 million. The most are in New Haven (9), Danbury (6), Stamford (3). The largest by revenue: Oceanographic Research & Exploration Foundation ($33.5 million), Carbon Containment Lab ($6.2 million), Society of Plastics Engineers Inc ($4.8 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Oceanographic Research & Exploration Foundation | Westport | 501(c)(4) | 2019 | $33.5 million | $180.5 million | 2024-12 |
| Carbon Containment Lab | New Haven | 501(c)(3) | 2024 | $6.2 million | $3.9 million | 2024-12 |
| Society of Plastics Engineers Inc | Danbury | 501(c)(3) | 1945 | $4.8 million | $7 million | 2024-12 |
| The John B Pierce Laboratory Inc | New Haven | 501(c)(3) | 1940 | $4.6 million | $5.3 million | 2024-12 |
| The Global Foundation for Ocean Exploration Inc | Old Lyme | 501(c)(3) | 2013 | $2.4 million | $802,674 | 2025-12 |
| Talcott Mountain Science Center for Student Involvement Inc | Avon | 501(c)(3) | 1970 | $2 million | $1.4 million | 2025-08 |
| Inter District Committee for Project Oceanology | Groton | 501(c)(3) | 1974 | $1.5 million | $1.9 million | 2025-06 |
| International Society for Clinical Densitometry Inc | Middletown | 501(c)(3) | 1996 | $1.5 million | $2.6 million | 2025-12 |
| Climatehaven Inc | New Haven | 501(c)(3) | 2023 | $1.2 million | $2.1 million | 2024-12 |
| Connecticut Invention Convention Inc | Hartford | 501(c)(3) | 1992 | $988,131 | $1.2 million | 2025-06 |
| Human Potential Lab Inc | New Preston | 501(c)(3) | 2025 | $747,585 | $82,251 | 2024-12 |
| Association of Symbolic Logic | Storrs | 501(c)(3) | 1955 | $656,892 | $1.2 million | 2025-12 |
| Ahepa 110-III Inc | Norwich | 501(c)(3) | 2002 | $634,358 | $2.7 million | 2025-06 |
| Connecticut Academy of Science and Engineering Incorporated | East Hartford | 501(c)(3) | 1976 | $377,317 | $902,764 | 2025-06 |
| Bioethics International Inc | Westport | 501(c)(3) | 2008 | $270,186 | $853,425 | 2024-12 |
| Humanity Plus Inc | Glastonbury | 501(c)(3) | 2003 | $263,171 | $12,943 | 2025-06 |
| Heffter Research Institute | Greenwich | 501(c)(3) | 2021 | $228,716 | $490,260 | 2024-12 |
| New England Statistical Society | Storrs Mansfield | 501(c)(3) | 2017 | $185,473 | $354,859 | 2024-12 |
| Remote Ecologist Inc | Darien | 501(c)(3) | 2022 | $149,536 | $42,166 | 2024-12 |
| Robotics and Beyond Inc | New Milford | 501(c)(3) | 2007 | $109,652 | $38,715 | 2024-12 |
| SB3C Foundation Inc | Fairfield | 501(c)(3) | 2016 | $109,641 | $334,939 | 2025-12 |
| Salivadirect Inc | New Haven | 501(c)(3) | 2024 | $103,863 | $335,098 | 2025-12 |
| Hopper Belmont Foundation Inc | Cos Cob | 501(c)(3) | 2020 | $96,333 | $382,323 | 2025-12 |
| Beljanski Foundation Inc | Greenwich | 501(c)(3) | 2001 | $94,093 | $659,871 | 2024-12 |
| Technical Investigations Unit of Southwest Connecticut Inc | Easton | 501(c)(3) | 2018 | $55,000 | $69,098 | 2026-06 |
| Axion Research Foundation Inc | Hamden | 501(c)(3) | 1987 | $15,483 | $510,433 | 2024-12 |
| New England Ned Alumni Association Inc | Middletown | 501(c)(3) | 2022 | $13,145 | $13,817 | 2025-12 |
| Geological Society of Connecticut | Hadlyme | 501(c)(3) | 2011 | $7,505 | $11,756 | 2025-06 |
| Adventures in Astronomy Inc | Greenwich | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ai Innovation for Social Impact Inc | Meriden | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Artistica Dynamica Inc | Norwalk | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Asfralliance | Guilford | 501(c)(3) | 2026 | |||
| Asm International Connecticut Chapter | Killingworth | 501(c)(3) | 1941 | $0 | $0 | 2024-12 |
| Association of Korean Neuroscientists | Milford | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Astronomical Society of Greenwich | Cos Cob | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Astronomy Beyond Borders Inc | Stamford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bagel Grants Inc | Stonington | 501(c)(3) | 2025 | |||
| Big Fifty | Plantsville | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Bioplastics and Renewable Technologies Division of Society O | Danbury | 501(c)(3) | 2025 | |||
| Boothe Memorial Astronomical Society Inc | Shelton | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Center for Scientific Education Adv Ancement Inc | Wethersfield | 501(c)(3) | 2025 | $19,500 | 2025-12 | |
| Chinese Association for Science and Technology in Connecticut Inc | Stratford | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Clear Nexus | Manchester | 501(c)(3) | 2018 | $1 | 2025-12 | |
| Co2no Inc | Fairfield | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Connecticut Institute of Transportation Engineers | East Hartford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Connecticut Professional Genealogists Council Inc | Hartford | 501(c)(3) | 2015 | $0 | $0 | 2024-10 |
| Connecticut Science Olympiad | Tolland | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Council for Elementary Science International | Tolland | 501(c)(3) | 2004 | $0 | $0 | 2025-05 |
| Cultivaite Futures Inc | Stamford | 501(c)(3) | 2026 | |||
| Curenow PD Inc | Weatogue | 501(c)(3) | 2020 | $0 | $9,651 | 2025-12 |
| Diaspora Scientifique Francaise A Linternational D-Fi USA Inc | North Haven | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Earthwatch International Inc | West Mystic | 501(c)(4) | 2013 | $0 | $0 | 2025-09 |
| Excimer Scientific Corporation | East Hartford | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Freefare Inc | Stamford | 501(c)(3) | 2024 | |||
| Futurescript Inc | Newtown | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Gallus Genetic Resource Center Inc | Baltic | 501(c)(3) | 2026 | |||
| Global Institute On Eco-Environment for Sustainable Dev-Giesd Inc | New Haven | 501(c)(3) | 2004 | $0 | $0 | 2026-06 |
| Global Oceans | North Granby | 501(c)(3) | 2013 | $1.4 million | 2024-12 | |
| Haven Robotics Group Incorporated | New Haven | 501(c)(3) | 2026 | |||
| Ibm Personal Computer Club of Connecticut | Norwalk | 501(c)(3) | 1992 | $0 | $0 | 2024-12 |
| International Yan Xin Qigong Association | Marlborough | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Lab Link Corporation | New Haven | 501(c)(3) | 2026 | |||
| Leo F Rettger Society | New Haven | 501(c)(3) | 2026 | |||
| Litchfield Hills Amateur Astronomy Club Inc | Oxford | 501(c)(3) | 2019 | $0 | $0 | 2025-08 |
| Multiple Comparison Procedures Society Inc | Ridgefield | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| New York New Jersey Flow Cytometry Users Group Inc | East Lyme | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Northeast Tech 4 Good | Winsted | 501(c)(3) | 2025 | |||
| Ocean Technology Foundation Inc | Mystic | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Particle Accelerator Research Foundation Inc | New Haven | 501(c)(3) | 2026 | |||
| Privacysafe Foundation Inc | Branford | 501(c)(3) | 2026 | |||
| Scuba Dot Tech Incorporated | Danbury | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Semia Stem Outreach Corporation | Ridgefield | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Shoreline Astronomical Society Inc | Madison | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Small World Initiative Inc | Old Greenwich | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Society of Plastics Engineers | Danbury | 501(c)(3) | 1945 | $0 | $0 | 2025-06 |
| Society of Plastics Engineers | Danbury | 501(c)(3) | 1945 | $0 | $0 | 2025-06 |
| Southern CT Isc2 Chapter | Northford | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Structural Engineers Association of Connecticut | Danbury | 501(c)(6) | 2023 | $0 | $0 | 2025-06 |
| Technology for Connecticut Inc | Mystic | 501(c)(3) | 1992 | $0 | $0 | 2025-06 |
| Themelio Bio Inc | Glastonbury | 501(c)(3) | 2026 | |||
| Tilde Cafe | Branford | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Timmers Way Inc | Wilton | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| U S Submarine Veterans Technology Inc | Groton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| William & Mary Greve Foundation Inc | Norfolk | 501(c)(3) | 1965 | $15 million | 2024-12 |
Every nonprofit in Connecticut
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.