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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “rail”

Where the money went

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The William Penn Foundation → Hace - Hispanic Association of Contractors and Enterprises: $2.7M across 4 grants, latest 2024York County Convention and → York County Rail Trail Authority: $385K across 4 grants, latest 2024The Willem De Kooning Foundation → The Brooklyn Rail: $370K across 4 grants, latest 2024Alfred H Lander and Janet L Lander Family → Rail 66: $261K across 4 grants, latest 2025Community Foundation of Tampa Bay Inc → Rails to Trails Conservancy: $232K across 4 grants, latest 2024Gold Family Charitable Trust → Rails-to-Trails: $160K across 3 grants, latest 2024Helen Frankenthaler Foundation Inc → The Brooklyn Rail Inc: $130K across 4 grants, latest 2024The Pittsburgh Foundation → Armstrong Rails to Trails Association: $120K across 1 grant, latest 2023The Guston Fund → The Brooklyn Rail Inc: $100K across 1 grant, latest 2022The Wellmark Foundation → Jasper County Conservation: $100K across 1 grant, latest 2022New Hampshire Charitable Foundation → Rails to Trails Conservancy: $91K across 2 grants, latest 2023Cvs Foundation → Erie Cattaraugus Rail Trail Orchard Park Ny: $11K across 6 grants, latest 2024The William Penn Foundation → Rails to Trails Conservancy: $1.9M across 10 grants, latest 2024The Wellmark Foundation → Sioux Falls Skatepark Association: $100K across 1 grant, latest 2022The Guston Fund → Brooklyn Rail Inc: $90K across 3 grants, latest 2025The Pittsburgh Foundation → Rails to Trails Conservancy: $58K across 3 grants, latest 2024New Hampshire Charitable Foundation → Friends of the Concord - Lake Sunapee Rail Trail: $45K across 2 grants, latest 2024Cvs Foundation → Erie Cattaraugus Rail Trail Inc: $2K across 1 grant, latest 2020The William Penn Foundation → Friends of the Rail Park: $650K across 4 grants, latest 2024The Wellmark Foundation → Carroll County Conservation Board: $100K across 1 grant, latest 2022New Hampshire Charitable Foundation → Friends of the Northern Rail Trail: $22K across 3 grants, latest 2024The Pittsburgh Foundation → Tri County Rails to Trails Association: $13K across 1 grant, latest 2023The William Penn Foundation → Center City District Foundation: $125K across 2 grants, latest 2022The Wellmark Foundation → City of Cedar Rapids: $100K across 1 grant, latest 2023The Pittsburgh Foundation → Tri County Rails to Trails Assn: $8K across 1 grant, latest 2024The William Penn Foundation: $5.4M on this topic. Open the funder.The William Penn Foundation$5.4MThe Wellmark Foundation: $400K on this topic. Open the funder.The Wellmark Foundation$400KYork County Convention and: $385K on this topic. Open the funder.York County Convention and$385KThe Willem De Kooning Foundation: $370K on this topic. Open the funder.The Willem De Kooning Foundat…$370KAlfred H Lander and Janet L Lander Family: $261K on this topic. Open the funder.Alfred H Lander and Janet L L…$261KCommunity Foundation of Tampa Bay Inc: $232K on this topic. Open the funder.Community Foundation of Tampa…$232KThe Pittsburgh Foundation: $199K on this topic. Open the funder.The Pittsburgh Foundation$199KThe Guston Fund: $190K on this topic. Open the funder.The Guston Fund$190KGold Family Charitable Trust: $160K on this topic. Open the funder.Gold Family Charitable Trust$160KNew Hampshire Charitable Foundation: $158K on this topic. Open the funder.New Hampshire Charitable Foun…$158KHelen Frankenthaler Foundation Inc: $130K on this topic. Open the funder.Helen Frankenthaler Foundatio…$130KCvs Foundation: $12K on this topic. Open the funder.Cvs Foundation$12KHace - Hispanic Association of Contractors and Enterprises: received $2.7M on this topicHace - Hispanic Association of…$2.7MRails to Trails Conservancy: received $2.2M on this topicRails to Trails Conservancy$2.2MFriends of the Rail Park: received $650K on this topicFriends of the Rail Park$650KYork County Rail Trail Authority: received $385K on this topicYork County Rail Trail Authority$385KThe Brooklyn Rail: received $370K on this topicThe Brooklyn Rail$370KRail 66: received $261K on this topicRail 66$261KThe Brooklyn Rail Inc: received $230K on this topicThe Brooklyn Rail Inc$230KRails-to-Trails: received $160K on this topicRails-to-Trails$160KCenter City District Foundation: received $125K on this topicCenter City District Foundation$125KArmstrong Rails to Trails Association: received $120K on this topicArmstrong Rails to Trails Assoc…$120KJasper County Conservation: received $100K on this topicJasper County Conservation$100KSioux Falls Skatepark Association: received $100K on this topicSioux Falls Skatepark Associati…$100KCarroll County Conservation Board: received $100K on this topicCarroll County Conservation Boa…$100KCity of Cedar Rapids: received $100K on this topicCity of Cedar Rapids$100KRails to Trails Conservancy: received $91K on this topicRails to Trails Conservancy$91KBrooklyn Rail Inc: received $90K on this topicBrooklyn Rail Inc$90KFriends of the Concord - Lake Sunapee Rail Trail: received $45K on this topicFriends of the Concord - Lake S…$45KFriends of the Northern Rail Trail: received $22K on this topicFriends of the Northern Rail Tr…$22KTri County Rails to Trails Association: received $13K on this topicTri County Rails to Trails Asso…$13KErie Cattaraugus Rail Trail Orchard Park Ny: received $11K on this topicErie Cattaraugus Rail Trail Orc…$11KTri County Rails to Trails Assn: received $8K on this topicTri County Rails to Trails Assn$8KErie Cattaraugus Rail Trail Inc: received $2K on this topicErie Cattaraugus Rail Trail Inc$2K
12 funders, 22 recipients, grants matching “rail” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 20192025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →