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Data / Nonprofits / Maine / Portland / Science and technology

Science and technology nonprofits in Portland, ME: 7 registered with the IRS

7 science and technology nonprofits are registered with the IRS in Portland, ME, 7 of them 501(c)(3) charities; the 3 that report revenue took in $3.3 million. The largest by revenue: The Maine Narrow Gauge Railroad and Industrial Hertiage Trust ($1.8 million), Gulf of Maine Properties Inc ($1 million), Mindbridge ($454,768).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
The Maine Narrow Gauge Railroad and Industrial Hertiage Trust501(c)(3)1993$1.8 million$1.9 million2024-03
Gulf of Maine Properties Inc501(c)(3)2007$1 million$9.4 million2025-06
Mindbridge501(c)(3)2018$454,768$68,3042024-12
American Rose Trials for Sustainability501(c)(3)2018$0$02025-12
Maine Women in Tech501(c)(3)2024$0$02024-12
Natural Stress Relief Inc501(c)(3)2009$0$02025-12
Waveworks Alliance Inc501(c)(3)2025$0$02025-12

Other causes in Portland, ME

Every nonprofit in Portland, ME · Science and technology nonprofits across the state · Nonprofits in every city of the state

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.