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FundersIL

Grants paid by Thomas O Brown Foundation

EIN 22-3894171 · Warrenville, IL · Form 990-PF, Part XV · NTEE T20

Thomas O Brown Foundation of Warrenville, IL (EIN 22-3894171) reported 55 grants paid totaling $1,113,500 to 18 recipients in tax years 2018–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.

Grants paid

$1,113,500

55 grants

Recipients

18

distinct organizations

Tax years

2018–2024

5 filings in the corpus

By tax year

Grants by tax year, as the same figures
Tax yearGrants paidAmount paidApproved for future
201810$218,500
202010$189,000
202211$194,000
202313$262,500
202411$249,500

Top recipients

The 18 recipients receiving the most from Thomas O Brown Foundation, by grants paid, out of 18 distinct recipients.

Recipients ranked by total grants paid
RecipientMatchLocationGrantsTotal paidLatest year
Greater Yellowstone Coalition 81-0414042CBozeman, MT5$150,0002024
National Parks Conservation Assn 53-0225165BWashington, DC5$140,0002024
Grand Teton Nat Park Fdn 83-0322668DMoose, WY5$128,0002024
Glacier National Park Conservancy 56-2579734BColumbia Falls, MT2$110,0002024
Save the Redwoods League 94-0843915BSan Francisco, CA5$95,0002024
Palouse Land Trust 94-3219418BMoscow, ID4$65,0002024
Washington's National Park Fund 01-0869799CSeattle, WA5$60,5002024
Latah Trail Foundation 82-0502602BMoscow, ID3$60,0002022
Glacier National Park FundUColumbia Falls, MT1$60,0002018
Public Land Alliance 54-1123356CWashington, DC3$45,0002024
Zion National Park Forever ProjectUSpringdale, UT4$45,0002023
Tart TrailsUTraverse City, MI2$40,0002024
Texas Parks and Wildlife Foundation 74-6066292DDallas, TX2$35,0002023
Rocky Mountain Conservancy 84-0472090BEstes Park, CO2$35,0002024
Public Land AllianceUSilver Spring, MD1$25,0002020
Public Lands AllianceUSilver Spring, MD1$15,0002018
National Park Foundation 52-1086761BWashington, DC4$4,0002023
National Park FoundationUBaltimore, MD1$1,0002024

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Every grant

All 55 grant rows this organization reported, most recent first.

Grants reported by Thomas O Brown Foundation
Tax yearRecipientMatchAmountTypePurposeSource filing
2024Glacier National Park Conservancy Columbia Falls, MTB$60,000paidPRESERVATION OF PARK LANDS202511329349101186
2024National Parks Conservation Association Washington, DCB$40,000paidPRESERVATION OF LAND/WILDLIFE202511329349101186
2024Grand Teton National Park Foundation Moose, WYB$30,000paidPARK PRESERVATION202511329349101186
2024Greater Yellowstone Coalition Bozeman, MTB$30,000paidPRESERVATION OF LAND/WILDLIFE202511329349101186
2024Washington's National Park Fund Seattle, WAB$20,000paidPRESERVATION OF MT. RAINIER, NORTH CASCADES, AND OLYMPIC NATIONAL PARKS202511329349101186
2024Rocky Mountain Conservancy Estes Park, COB$20,000paidNATIONAL PARKS PRESERVATION202511329349101186
2024Save the Redwoods League San Francisco, CAB$15,000paidPROTECT AND CONSERVE REDWOOD TREES202511329349101186
2024Tart Trails Traverse City, MIU$13,500paidENRICH THE TRAVERSE REGION BY PROVIDING A NETWORK OF TRAILS, BIKEWAYS, AND PEDESTRIAN WAYS202511329349101186
2024Palouse Land Trust Moscow, IDB$10,000paidLAND CONSERVATION OF THE PALOUSE REGION202511329349101186
2024Public Land Alliance Washington, DCC$10,000paidNATIONAL PARKS PRESERVATION202511329349101186
2024National Park Foundation Baltimore, MDU$1,000paidNATIONAL PARKS PRESERVATION202511329349101186
2023Glacier National Park Conservancy Columbia Falls, MTB$50,000paidPRESERVATION OF PARK LANDS202401649349101200
2023Greater Yellowstone Coalition Bozeman, MTC$30,000paidPRESERVATION OF LAND/WILDLIFE202401649349101200
2023Palouse Land Trust Moscow, IDB$30,000paidLAND CONSERVATION OF THE PALOUSE REGION202401649349101200
2023Tart Trails Traverse City, MIU$26,500paidENRICH THE TRAVERSE REGION BY PROVIDING A NETWORK OF TRAILS, BIKEWAYS, AND PEDESTRIAN WAYS202401649349101200
2023National Parks Conservation Assn Washington, DCB$25,000paidPRESERVATION OF LAND/WILDLIFE202401649349101200
2023Grand Teton Nat Park Fdn Moose, WYD$25,000paidPARK PRESERVATION202401649349101200
2023Rocky Mountain Conservancy Estes Park, COB$15,000paidNATIONAL PARKS PRESERVATION202401649349101200
2023Texas Parks and Wildlife Foundation Dallas, TXD$15,000paidNATIONAL PARKS PRESERVATION202401649349101200
2023Save the Redwoods League San Francisco, CAB$15,000paidPROTECT AND CONSERVE REDWOOD TREES202401649349101200
2023Public Land Alliance Washington, DCC$10,000paidNATIONAL PARKS PRESERVATION202401649349101200
2023Zion National Park Forever Project Springdale, UTU$10,000paidTO PROMOTE ENVIROMENTAL CONSERVATION202401649349101200
2023Washington's National Park Fund Seattle, WAC$10,000paidPRESERVATION OF MT. RAINIER, NORTH CASCADES, AND OLYMPIC NATIONAL PARKS202401649349101200
2023National Park Foundation Washington, DCB$1,000paidNATIONAL PARKS PRESERVATION202401649349101200
2022Greater Yellowstone Coalition Bozeman, MTC$30,000paidPRESERVATION OF LAND/WILDLIFE202332599349100308
2022National Parks Conservation Assn Washington, DCB$25,000paidPRESERVATION OF LAND/WILDLIFE202332599349100308
2022Public Land Alliance Washington, DCC$25,000paidNATIONAL PARKS PRESERVATION202332599349100308
2022Grand Teton Nat Park Fdn Moose, WYD$25,000paidPARK PRESERVATION202332599349100308
2022Texas Parks and Wildlife Foundation Dallas, TXD$20,000paidNATIONAL PARKS PRESERVATION202332599349100308
2022Zion National Park Forever Project Springdale, UTU$15,000paidTO PROMOTE ENVIROMENTAL CONSERVATION202332599349100308
2022Save the Redwoods League San Francisco, CAB$15,000paidPROTECT AND CONSERVE REDWOOD TREES202332599349100308
2022Palouse Land Trust Moscow, IDB$15,000paidLAND CONSERVATION OF THE PALOUSE REGION202332599349100308
2022Washington's National Park Fund Seattle, WAC$13,000paidPRESERVATION OF MT. RAINIER, NORTH CASCADES, AND OLYMPIC NATIONAL PARKS202332599349100308
2022Latah Trail Foundation Moscow, IDB$10,000paidPROMOTE SAFE NON-MOTORIZED TRANSPORTATION IN LATAH COUNTY202332599349100308
2022National Park Foundation Washington, DCB$1,000paidNATIONAL PARKS PRESERVATION202332599349100308
2020Greater Yellowstone Coalition Bozeman, MTC$30,000paidPRESERVATION OF LAND/WILDLIFE202141899349100904
2020Grand Teton Nat Park Fdn Moose, WYD$28,000paidPARK PRESERVATION202141899349100904
2020Latah Trail Foundation Moscow, IDB$25,000paidPROMOTE SAFE NON-MOTORIZED TRANSPORTATION IN LATAH COUNTY202141899349100904
2020National Parks Conservation Assn Washington, DCB$25,000paidPRESERVATION OF LAND/WILDLIFE202141899349100904
2020Save the Redwoods League San Francisco, CAB$25,000paidPROTECT AND CONSERVE REDWOOD TREES202141899349100904
2020Public Land Alliance Silver Spring, MDU$25,000paidNATIONAL PARKS PRESERVATION202141899349100904
2020Palouse Land Trust Moscow, IDB$10,000paidLAND CONSERVATION OF THE PALOUSE REGION202141899349100904
2020Zion National Park Forever Project Springdale, UTU$10,000paidTO PROMOTE ENVIROMENTAL CONSERVATION202141899349100904
2020Washington's National Park Fund Seattle, WAC$10,000paidPRESERVATION OF MT. RAINIER, NORTH CASCADES, AND OLYMPIC NATIONAL PARKS202141899349100904
2020National Park Foundation Washington, DCB$1,000paidNATIONAL PARKS PRESERVATION202141899349100904
2018Glacier National Park Fund Columbia Falls, MTU$60,000paidPRESERVATION OF PARK LANDS201941349349101499
2018Greater Yellowstone Coalition Bozeman, MTC$30,000paidPRESERVATION OF LAND/WILDLIFE201941349349101499
2018Latah Trail Foundation Moscow, IDB$25,000paidPROMOATE SAFE NON-MOTORIZED TRANSPORTATION IN LATAH COUNTY.201941349349101499
2018National Parks Conservation Assn Washington, DCB$25,000paidPRESERVATION OF LAND/WILDLIFE201941349349101499
2018Save the Redwoods League San Francisco, CAB$25,000paidPROTECT AND CONSERVE REDWOOD TREES.201941349349101499
2018Grand Teton Nat Park Fdn Moose, WYD$20,000paidPARK PRESERVATION201941349349101499
2018Public Lands Alliance Silver Spring, MDU$15,000paidNATIONAL PARKS PRESERVATION201941349349101499
2018Zion National Park Forever Project Sprindale, UTU$10,000paidTO PROMOTE ENVIROMENTAL CONSERVATION.201941349349101499
2018Washington's National Park Fund Seattle, WAC$7,500paidPRESERVATION OF MT. RAINIER, NORTH CASCADES, AND OLYMPIC NATIONAL PARKS.201941349349101499
2018National Park Foundation Washington, DCB$1,000paidNATIONAL PARKS PRESERVATION201941349349101499

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.

Source filings

Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.

Returns this page is derived from
FormTax yearPeriod endFiledSchemaIRS OBJECT_ID
990PF20242024-12-31not stated2024v5.1202511329349101186
990PF20232023-12-31not stated2023v5.0202401649349101200
990PF20222022-12-31not stated2022v5.0202332599349100308
990PF20202020-12-31not stated2020v4.0202141899349100904
990PF20182018-12-31not stated2018v3.1201941349349101499

Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/223894171.json.

The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.

This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.