Data / Foundation grants / George & Miriam Martin Foundation
George & Miriam Martin Foundation: 29 grants to organizations, $667,000 (tax year ended December 2025)
George & Miriam Martin Foundation, a private foundation in Chester Springs, PA, paid 29 grants to organizations totaling $667,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 6, 2026. The largest was $500,000 to Earthjustice in San Francisco, CA for support their work.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 232828201
- Based in
- Chester Springs, PA
- Assets
- $5,515,425
- Grants paid
- $667,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 6, 2026, IRS object ID 202641269349100349. It reported $667,000 in grants paid; 29 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Earthjustice | San Francisco, CA | Support their work | Environment | $500,000 | apps.irs.gov |
| Delaware River Keeper | Bristol, PA | Support their work | $35,000 | apps.irs.gov | |
| Mother Jones | Big Sandy, TX | Support their work | $20,000 | apps.irs.gov | |
| International Rivers Network | Oakland, CA | Support their work | Environment | $15,000 | apps.irs.gov |
| American Whitewater | Springfield, OR | Support their work | Environment | $10,000 | apps.irs.gov |
| Natural Lands Trust | Media, PA | Support their work | Environment | $10,000 | apps.irs.gov |
| Penn Environment | Philadelphia, PA | Support their work | $9,000 | apps.irs.gov | |
| Rivers Without Borders | Port Townsend, WA | Support their work | $7,000 | apps.irs.gov | |
| Ding Darling Wildlife Society | Sanibel, FL | Support their work | Animal-related | $5,000 | apps.irs.gov |
| Green Amendments for the Generations | Bristol, PA | Support their work | Environment | $5,000 | apps.irs.gov |
| Mahoosuc Land Trust | Bethel, ME | Support their work | Environment | $5,000 | apps.irs.gov |
| Penn Future | Harrisburg, PA | Support their work | $5,000 | apps.irs.gov | |
| Royal River Conservation Trust | Yarmouth, ME | Support their work | Environment | $5,000 | apps.irs.gov |
| Woodstock Land Conservancy | Woodstock, NY | Support their work | $5,000 | apps.irs.gov | |
| Community Environmental Legal Defense Fund (celdf) | Mercersburg, PA | Support their work | $4,000 | apps.irs.gov | |
| Maine Rivers | Yarmouth, ME | Support their work | Environment | $4,000 | apps.irs.gov |
| Green Valleys Assoc | Pottstown, PA | Support their work | $3,000 | apps.irs.gov | |
| Rails To Trails Conservancy | Washington, DC | Support their work | Environment | $3,000 | apps.irs.gov |
| Earth Law Center | Durango, CO | Support their work | Social science | $2,000 | apps.irs.gov |
| French & Pickering Creek Conservation | Devault, PA | Support their work | $2,000 | apps.irs.gov | |
| Inside Climate News | Brooklyn, NY | Support their work | Social science | $2,000 | apps.irs.gov |
| Natural Resources Council of Maine | Augusta, ME | Support their work | $2,000 | apps.irs.gov | |
| Pennsylvania Environmental Defense Foundation | Boalsburg, PA | Support their wor | Environment | $2,000 | apps.irs.gov |
| Wild Earth Guardians | Sante Fe, NM | Support their work | $2,000 | apps.irs.gov | |
| Clean Air Council | Philadelphia, PA | Support their work | Environment | $1,000 | apps.irs.gov |
| Downeast Salmon Federation | Columbia Falls, ME | Support their work | Animal-related | $1,000 | apps.irs.gov |
| Horseshoe Trail Conservancy Inc | Southeastern, PA | Support their work | $1,000 | apps.irs.gov | |
| Interamerican Assoc for Environmental Defense (aida) | San Francisco, CA | Support their work | $1,000 | apps.irs.gov | |
| Public Employees for Environmental Responsibility (peer) | Silver Springs, MD | Support their work | $1,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed October 29, 2025, IRS object ID 202533029349101203. It reported $2,256,371 in grants paid; 29 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Earthjustice | San Francisco, CA | Support their work | Environment | $2,038,871 | apps.irs.gov |
| Delaware River Keeper | Bristol, PA | Support their work | $35,000 | apps.irs.gov | |
| American Whitewater | Cullowhee, NC | Support their work | $20,000 | apps.irs.gov | |
| International Rivers Network | Oakland, CA | Support their work | Environment | $20,000 | apps.irs.gov |
| Mother Jones | Big Sandy, TX | Support their work | $20,000 | apps.irs.gov | |
| Natural Lands Trust | Media, PA | Support their work | Environment | $20,000 | apps.irs.gov |
| Woodstock Land Conservancy | Woodstock, NY | Support their work | $20,000 | apps.irs.gov | |
| Penn Future | Harrisburg, PA | Support their work | $10,000 | apps.irs.gov | |
| Penn Environment | Philadelphia, PA | Support their work | $9,000 | apps.irs.gov | |
| Rivers Without Borders | Port Townsend, WA | Support their work | $7,000 | apps.irs.gov | |
| Community Environmental Legal Defense Fund | Mercersburg, PA | Support their work | Crime and legal-related | $5,000 | apps.irs.gov |
| Ding Darling Wildlife Society | Sanibel, FL | Support their work | Animal-related | $5,000 | apps.irs.gov |
| Mahoosuc Land Trust | Bethel, ME | Support their work | Environment | $5,000 | apps.irs.gov |
| Royal River Conservation Trust | Yarmouth, ME | Support their work | Environment | $5,000 | apps.irs.gov |
| Downeast Salmon Federation | Columbia Falls, ME | Support their work | Animal-related | $4,000 | apps.irs.gov |
| Green Valleys Assoc | Pottstown, PA | Support their work | $4,000 | apps.irs.gov | |
| Maine Rivers | Yarmouth, ME | Support their work | Environment | $4,000 | apps.irs.gov |
| Rails To Trails Conservancy | Washington, DC | Support their work | Environment | $4,000 | apps.irs.gov |
| Haser Inc for Casa Pueblo | San Juan, PR | Support their work | $3,000 | apps.irs.gov | |
| Pennsylvania Environmental Defense Foundation | Bellefonte, PA | Support their work | $3,000 | apps.irs.gov | |
| Wild Earth Guardians | Sante Fe, NM | Support their work | $3,000 | apps.irs.gov | |
| French & Pickering Creek Conservation | Devault, PA | Support their work | $2,500 | apps.irs.gov | |
| Interamerican Assoc for Environmental Defense (aida) | San Francisco, CA | Support their work | $2,000 | apps.irs.gov | |
| Natural Resources Council of Maine | Augusta, ME | Support their work | $2,000 | apps.irs.gov | |
| Horseshoe Trail Conservancy Inc | Southeastern, PA | Support their worksupport their work | $1,000 | apps.irs.gov | |
| Inside Climate News | Brooklyn, NY | Support their work | Social science | $1,000 | apps.irs.gov |
| Mystic River Watershed Assoc | Arlington, MA | Support their work | Environment | $1,000 | apps.irs.gov |
| Pennypack Ecological Restoration Trust | Huntingdon Valley, PA | Support their work | $1,000 | apps.irs.gov | |
| Public Employees for Environmental Responsibility | Silver Springs, MD | Support their work | Environment | $1,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Environment | $2,658,871 |
| Animal-related | $15,000 |
| Social science | $5,000 |
| Crime and legal-related | $5,000 |
States funded
| Recipient state | Granted |
|---|---|
| California | $2,576,871 |
| Pennsylvania | $167,500 |
| Texas | $40,000 |
| Maine | $37,000 |
| New York | $28,000 |
| North Carolina | $20,000 |
| Washington | $14,000 |
| Oregon | $10,000 |
Also on SpecStream
- Who funds environment in California
- Who funds environment in Pennsylvania
- Who funds environment in Maine
- Who funds environment in Oregon
- Who funds animal-related in Florida
- Who funds environment in District of Columbia
Updated May 6, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.