Funding search · EIN 232828201 · Chester Springs, PA

George & Miriam Martin Foundation

Name: George & Miriam Martin Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

131
grants reported: $7.3M
total given: 2022–2025
filing years: $5,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

work theri worksupport check void

Funder website ↗Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

4 grants matching “keeper” · $150,000

$35,000
Delaware River Keeper · Bristol, PA · 2025
Support their work
$35,000
Delaware River Keeper · Bristol, PA · 2024
Support their work
$40,000
Delaware River Keeper · Bristol, PA · 2023
Support their work
$40,000
Delaware River Keeper · Bristol, PA · 2022
Support their work

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Earthjustice4 grants · $6.3M
Mahoosuc Land Trust4 grants · $165,000
Delaware River Keeper4 grants · $150,000
Mother Jones4 grants · $80,000
Natural Lands Trust4 grants · $80,000
International Rivers Network5 grants · $60,000
Penn Future4 grants · $50,000
Woodstock Land Conservancy4 grants · $39,824
Penn Environment4 grants · $38,000
American Whitewater2 grants · $30,000

Giving over time

$2.2M

2022

$2.2M

2023

$2.3M

2024

$667,000

2025

Grant history

The 100 largest of 131 grants.

$2.0M
Earthjustice · San Francisco, CA · 2024
Support their work
$2.0M
Earthjustice · San Francisco, CA · 2023
Support their work
$1.8M
Earthjustice · Oakland, CA · 2022
Support their work
$500,000
Earthjustice · San Francisco, CA · 2025
Support their work
$150,000
Mahoosuc Land Trust · Bethel, ME · 2022
Support their work
$40,000
Delaware River Keeper · Bristol, PA · 2023
Support their work
$40,000
Delaware River Keeper · Bristol, PA · 2022
Support their work
$35,000
Delaware River Keeper · Bristol, PA · 2025
Support their work
$35,000
Delaware River Keeper · Bristol, PA · 2024
Support their work
$30,000
International Rivers Network · Berkeley, CA · 2022
Support their work
$25,000
International Rivers Network · Berkeley, CA · 2023
Support their work
$25,000
Natural Lands Trust · Media, PA · 2023
Support their work
$25,000
Natural Lands Trust · Media, PA · 2022
Support their work
$20,000
Mother Jones · Big Sandy, TX · 2025
Support their work
$20,000
American Whitewater · Cullowhee, NC · 2024
Support their work
$20,000
International Rivers Network · Oakland, CA · 2024
Support their work
$20,000
Mother Jones · Big Sandy, TX · 2024
Support their work
$20,000
Natural Lands Trust · Media, PA · 2024
Support their work
$20,000
Woodstock Land Conservancy · Woodstock, NY · 2024
Support their work
$20,000
Mother Jones · Big Sandy, TX · 2023
Support their work
$20,000
Mother Jones · Big Sandy, TX · 2022
Support their work
$20,000
Penn Future · Harrisburg, PA · 2022
Support their work
$15,000
International Rivers Network · Oakland, CA · 2025
Support their work
$15,000
Penn Future · Harrisburg, PA · 2023
Support their work
$13,824
Woodstock Land Conservancy · Woodstock, NY · 2022
Support their work
$11,600
Horseshoe Trail Conservancy · Southeastern, PA · 2023
Support their worksupport their work
$10,000
American Whitewater · Springfield, OR · 2025
Support their work
$10,000
Natural Lands Trust · Media, PA · 2025
Support their work
$10,000
Penn Future · Harrisburg, PA · 2024
Support their work
$10,000
Penn Environment · Philadelphia, PA · 2023
Support their work
$10,000
Advanced Energy Economy Institute · Washington, DC · 2022
Support their work
$10,000
Chesapeake Bay Foundation · Washington, DC · 2022
Support their work
$10,000
Ding Darling Wildlife Society · Sanibel, FL · 2022
Support their work
$10,000
French & Pickering Creek Conservation · Pottstown, PA · 2022
Support theri work
$10,000
Keystone Energy Efficiency Alliance · Philadelphia, PA · 2022
Support their work
$10,000
Penn Environment · Philadelphia, PA · 2022
Support their work
$10,000
Royal River Conservation Trust · Yarmouth, ME · 2022
Support their work
$9,000
Penn Environment · Philadelphia, PA · 2025
Support their work
$9,000
Penn Environment · Philadelphia, PA · 2024
Support their work
$9,000
Pennsylvania Environmental Defense Foundation · Camp Hill, PA · 2022
Support their work
$7,000
Rivers Without Borders · Port Townsend, WA · 2025
Support their work
$7,000
Rivers Without Borders · Port Townsend, WA · 2024
Support their work
$7,000
Rivers Without Borders · Port Townsend, WA · 2023
Support their work
$6,000
Chesapeake Bay Foundation · Washington, DC · 2023
Support their work
$5,000
Ding Darling Wildlife Society · Sanibel, FL · 2025
Support their work
$5,000
Green Amendments for the Generations · Bristol, PA · 2025
Support their work
$5,000
Mahoosuc Land Trust · Bethel, ME · 2025
Support their work
$5,000
Penn Future · Harrisburg, PA · 2025
Support their work
$5,000
Royal River Conservation Trust · Yarmouth, ME · 2025
Support their work
$5,000
Woodstock Land Conservancy · Woodstock, NY · 2025
Support their work
$5,000
Community Environmental Legal Defense Fund · Mercersburg, PA · 2024
Support their work
$5,000
Ding Darling Wildlife Society · Sanibel, FL · 2024
Support their work
$5,000
Mahoosuc Land Trust · Bethel, ME · 2024
Support their work
$5,000
Royal River Conservation Trust · Yarmouth, ME · 2024
Support their work
$5,000
Community Environmental Legal Defense Fund · Mercersburg, PA · 2023
Support their work
$5,000
Ding Darling Wildlife Society · Sanibel, FL · 2023
Support their work
$5,000
Earth Law Center · Durango, CO · 2023
Support their work
$5,000
Green Valleys Assoc · Pottstown, PA · 2023
Support their work
$5,000
Mahoosuc Land Trust · Bethel, ME · 2023
Support their work
$5,000
Rails To Trails Conservancy · Camp Hill, PA · 2023
Support their work
$5,000
Royal River Conservation Trust · Yarmouth, ME · 2023
Support their work
$5,000
Clean Air Council · Philadelphia, PA · 2022
Support their work
$5,000
Green Valleys Assoc · Pottstown, PA · 2022
Support their work
$5,000
Rails To Trails Conservancy · Camp Hill, PA · 2022
Support their work
$5,000
Rivers Without Borders · Port Townsend, WA · 2022
Support their work
$5,000
Wild Earth Guardians · Sante Fe, NM · 2022
Support their work
$4,000
Community Environmental Legal Defense Fund (Celdf) · Mercersburg, PA · 2025
Support their work
$4,000
Maine Rivers · Yarmouth, ME · 2025
Support their work
$4,000
Downeast Salmon Federation · Columbia Falls, ME · 2024
Support their work
$4,000
Green Valleys Assoc · Pottstown, PA · 2024
Support their work
$4,000
Maine Rivers · Yarmouth, ME · 2024
Support their work
$4,000
Rails To Trails Conservancy · Washington, DC · 2024
Support their work
$4,000
Pennsylvania Environmental Defense Foundation · Camp Hill, PA · 2023
Support their work
$4,000
Wild Earth Guardians · Sante Fe, NM · 2023
Support their work
$3,000
Green Valleys Assoc · Pottstown, PA · 2025
Support their work
$3,000
Rails To Trails Conservancy · Washington, DC · 2025
Support their work
$3,000
Haser Inc for Casa Pueblo · San Juan, PR · 2024
Support their work
$3,000
Pennsylvania Environmental Defense Foundation · Bellefonte, PA · 2024
Support their work
$3,000
Wild Earth Guardians · Sante Fe, NM · 2024
Support their work
$2,500
French & Pickering Creek Conservation · Devault, PA · 2024
Support their work
$2,500
French & Pickering Creek Conservation · Pottstown, PA · 2023
Support theri work
$2,000
Earth Law Center · Durango, CO · 2025
Support their work
$2,000
French & Pickering Creek Conservation · Devault, PA · 2025
Support their work
$2,000
Inside Climate News · Brooklyn, NY · 2025
Support their work
$2,000
Natural Resources Council of Maine · Augusta, ME · 2025
Support their work
$2,000
Pennsylvania Environmental Defense Foundation · Boalsburg, PA · 2025
Support their wor
$2,000
Wild Earth Guardians · Sante Fe, NM · 2025
Support their work
$2,000
Interamerican Assoc for Environmental Defense (Aida) · San Francisco, CA · 2024
Support their work
$2,000
Natural Resources Council of Maine · Augusta, ME · 2024
Support their work
$2,000
Downeast Salmon Federation · Columbia Falls, ME · 2023
Support their work
$2,000
El Porvenir · Broomfield, CO · 2023
Support their work
$2,000
Interamerican Assoc for Environmental Defense (Aida) · San Francisco, CA · 2023
Support their work
$2,000
Natural Resources Council of Maine · Augusta, ME · 2023
Support their work
$2,000
Public Employees for Environmental Responsibility · Washington, DC · 2023
Support their work
$2,000
Downeast Salmon Federation · Columbia Falls, ME · 2022
Support their work
$2,000
Earth Law Center · Boulder, CO · 2022
Support their work
$2,000
El Porvenir · Denver, CO · 2022
Support their work
$2,000
Interamerican Assoc for Environmental Defense (Aida) · San Francisco, CA · 2022
Support their work
$2,000
Natural Resources Council of Maine · Augusta, ME · 2022
Support their work
$1,000
Clean Air Council · Philadelphia, PA · 2025
Support their work

View all 131 grants →

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.