Data / Nonprofits / Massachusetts / Harwich Port
Nonprofits in Harwich Port, MA: 25 registered with the IRS
25 nonprofits are registered with the IRS in Harwich Port, MA, 21 of them 501(c)(3) charities; the 12 that report revenue took in $4.1 million. The largest by revenue: We Can Corporation ($1.7 million), Allen Harbor Yacht Club Inc ($1.2 million), Harwich Athletic Association Inc ($292,068). Most common causes: recreation and sports (3), philanthropy, voluntarism and grantmaking foundations (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| We Can Corporation | Human services | 501(c)(3) | 2001 | $1.7 million | $4.8 million | 2024-12 |
| Allen Harbor Yacht Club Inc | 501(c)(7) | 1969 | $1.2 million | $2.6 million | 2025-06 | |
| Harwich Athletic Association Inc | 501(c)(3) | 1985 | $292,068 | $548,707 | 2024-12 | |
| Ukrainian Relief Mission Charitable Corporation | International, foreign affairs and national security | 501(c)(3) | 2022 | $247,876 | $271 | 2023-12 |
| Cape Cod Fish & Game Association Inc | Recreation and sports | 501(c)(4) | 2004 | $210,879 | $918,494 | 2025-12 |
| Harwich Cranberry Festival Inc | Recreation and sports | 501(c)(3) | 1995 | $111,959 | $133,329 | 2024-12 |
| Grateful Mug Inc | Employment | 501(c)(3) | 2025 | $95,039 | $52,705 | 2025-12 |
| Barnstable County Bar Advocates Inc | Crime and legal-related | 501(c)(3) | 1980 | $87,811 | $8,007 | 2025-06 |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $68,187 | $51,369 | 2025-12 | |
| Guild of Harwich Artists Inc | Arts, culture and humanities | 501(c)(3) | 2008 | $44,042 | $46,727 | 2025-12 |
| Garden Club Federation of Massachusetts Inc | 501(c)(3) | 2004 | $27,312 | $94,986 | 2025-06 | |
| James R McPhee Foundation | Education | 501(c)(3) | 1996 | $16,242 | $461,518 | 2025-11 |
| 5K Walk-Run for the Children Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| American Association of University Women | Education | 501(c)(4) | 2010 | $0 | $0 | 2026-06 |
| Daniel J Hollis Foundation Inc | Youth development | 501(c)(3) | 2024 | |||
| Ecumenical Catholic Diocese of New England | Religion-related | 501(c)(3) | 2015 | |||
| Eos Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $46.2 million | 2025-06 | |
| First Church of Christ Scientist Chatham | 501(c)(3) | |||||
| Harwich Chamber of Commerce Charitable Foundation | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Harwich Pickleball | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Harwich Womans Club Inc | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2026-05 |
| Pilgrim Congregational Church | 501(c)(3) | 1964 | 2013-12 | |||
| Roessner Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $15 million | 2025-12 | |
| St Mary of Magdala Church | Religion-related | 501(c)(3) | 2012 | |||
| United States Power Squadrons | 501(c)(3) | 1949 | $0 | $0 | 2026-03 |
By cause in Harwich Port, MA
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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.