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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 “transportational”

Where the money went

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Climate Imperative Foundation → The Energy Foundation: $42M across 2 grants, latest 2022The Mcknight Foundation → United States Energy Foundation: $28M across 7 grants, latest 2021Silicon Valley Community Foundation → Lifemoves: $17M across 3 grants, latest 2024United States Energy Foundation → Advanced Energy Institute: $7.3M across 3 grants, latest 2024A for Arizona → Chinle Unified School District: $3.3M across 2 grants, latest 2023The William & Flora Hewlett Foundation → International Council On Clean Transportation: $3.1M across 4 grants, latest 2024East Central Kansas Coordinated → Lyon County Area Transportation: $2.6M across 4 grants, latest 2025World Resources Institute → C40 Cities Climate Leadership Group Inc: $1.9M across 2 grants, latest 2023Petsmart Charities Inc → Last Chance Animal Rescue Inc: $1.4M across 4 grants, latest 2024Barr Foundation → (179) Institute for Transportation and Development Policy: $1.3M across 1 grant, latest 2022The California Endowment → Community Partners: $575K across 7 grants, latest 2023Women's Business Development Center → Uprise Transport Illinois LLC: $75K across 1 grant, latest 2024Climate Imperative Foundation → The Energy Foundation: $27M across 1 grant, latest 2023Silicon Valley Community Foundation → Housing Matters: $8.7M across 2 grants, latest 2024United States Energy Foundation → The Partnership Project Inc: $7.2M across 3 grants, latest 2024The Mcknight Foundation → St Paul Transportation Management Organization: $2.9M across 10 grants, latest 2024The William & Flora Hewlett Foundation → United States Energy Foundation: $2.6M across 3 grants, latest 2024A for Arizona → Osborn School District #8: $2.0M across 1 grant, latest 2021East Central Kansas Coordinated → Coffey County Transportation: $1.7M across 4 grants, latest 2025World Resources Institute → Environmental Defense Fund Inc: $1.1M across 2 grants, latest 2023Barr Foundation → (239) Conservation Law Foundation Inc: $1.1M across 1 grant, latest 2024Petsmart Charities Inc → Anti-Cruelty Society: $1.1M across 3 grants, latest 2023The California Endowment → The Funders' Network Inc: $475K across 3 grants, latest 2023Women's Business Development Center → Moetta's Transport: $75K across 1 grant, latest 2024Silicon Valley Community Foundation → Time for A Change Foundation: $6.0M across 2 grants, latest 2024Climate Imperative Foundation → The Partnership Project: $4.8M across 1 grant, latest 2023United States Energy Foundation → League of Conservation Voters Education Fund: $4.0M across 3 grants, latest 2024A for Arizona → City of Chandler: $2.0M across 1 grant, latest 2021The William & Flora Hewlett Foundation → Stichting European Climate Foundation: $1.7M across 2 grants, latest 2024The Mcknight Foundation → Global Philanthropy Partnership: $1.6M across 6 grants, latest 2024World Resources Institute → Icct International Council On Clean Transportation: $1.1M across 2 grants, latest 2021Barr Foundation → (238) Conservation Law Foundation Inc: $1.0M across 1 grant, latest 2024Petsmart Charities Inc → Brandywine Valley Society for the Prevention of Cruelty to Animals: $767K across 4 grants, latest 2024East Central Kansas Coordinated → Osage County General Public Transpo: $582K across 4 grants, latest 2025The California Endowment → Labor Community Strategy Center: $430K across 3 grants, latest 2023Women's Business Development Center → Secure Transport LLC: $75K across 1 grant, latest 2024Climate Imperative Foundation → International Sustainable Energy Foundation: $3.4M across 1 grant, latest 2022United States Energy Foundation → The Greenlining Institute: $3.3M across 3 grants, latest 2024Climate Imperative Foundation → International Sustainable Energy Foundation: $3.2M across 1 grant, latest 2023Silicon Valley Community Foundation → New Way Homes Inc: $3.2M across 2 grants, latest 2023United States Energy Foundation → Social & Environmental Entrepreneurs Inc: $2.9M across 2 grants, latest 2024United States Energy Foundation → Bluegreen Alliance Foundation: $2.8M across 3 grants, latest 2024Silicon Valley Community Foundation → Non-Profit Housing Association of Northern California: $2.5M across 3 grants, latest 2024United States Energy Foundation → Sierra Club Foundation: $2.5M across 2 grants, latest 2024Climate Imperative Foundation → International Council On Clean Transportation: $2.4M across 1 grant, latest 2023United States Energy Foundation → Environmental Defense Fund Incorporated: $2.4M across 3 grants, latest 2024Silicon Valley Community Foundation → Terner Housing Innovation Labs Inc: $2.4M across 3 grants, latest 2024United States Energy Foundation → Western Resource Advocates: $2.3M across 2 grants, latest 2023United States Energy Foundation → American Lung Association: $2.2M across 2 grants, latest 2023United States Energy Foundation → Natural Resources Defense Council Inc: $2.1M across 1 grant, latest 2024A for Arizona → Tolleson Union High School District: $2.0M across 1 grant, latest 2021A for Arizona → Arizona Autism Charter Schools Inc: $2.0M across 1 grant, latest 2021A for Arizona → Empower College Prep: $1.9M across 3 grants, latest 2023A for Arizona → Western Maricopa Education Center: $1.9M across 1 grant, latest 2023Silicon Valley Community Foundation → Housing California: $1.8M across 3 grants, latest 2024A for Arizona → Cartwright School District: $1.7M across 1 grant, latest 2023United States Energy Foundation → Public Citizen Foundation Inc: $1.7M across 3 grants, latest 2024United States Energy Foundation → Fresh Energy: $1.6M across 1 grant, latest 2023Silicon Valley Community Foundation → Louisiana Homebuyer Education Collaborative Inc: $1.6M across 3 grants, latest 2024A for Arizona → Crane Elementary School District #13: $1.6M across 2 grants, latest 2021United States Energy Foundation → Union of Concerned Scientists Inc: $1.6M across 3 grants, latest 2024United States Energy Foundation → Earthjustice: $1.6M across 3 grants, latest 2024United States Energy Foundation → Ceres Inc: $1.5M across 2 grants, latest 2024United States Energy Foundation → Clean Water Fund: $1.5M across 3 grants, latest 2024Climate Imperative Foundation: $83M on this topic. Open the funder.Climate Imperative Foundation$83MUnited States Energy Foundation: $48M on this topic. Open the funder.United States Energy Foundati…$48MSilicon Valley Community Foundation: $43M on this topic. Open the funder.Silicon Valley Community Foun…$43MThe Mcknight Foundation: $33M on this topic. Open the funder.The Mcknight Foundation$33MA for Arizona: $18M on this topic. Open the funder.A for Arizona$18MThe William & Flora Hewlett Foundation: $7.4M on this topic. Open the funder.The William & Flora Hewlett F…$7.4MEast Central Kansas Coordinated: $4.9M on this topic. Open the funder.East Central Kansas Coordinat…$4.9MWorld Resources Institute: $4.1M on this topic. Open the funder.World Resources Institute$4.1MBarr Foundation: $3.4M on this topic. Open the funder.Barr Foundation$3.4MPetsmart Charities Inc: $3.2M on this topic. Open the funder.Petsmart Charities Inc$3.2MThe California Endowment: $1.5M on this topic. Open the funder.The California Endowment$1.5MWomen's Business Development Center: $225K on this topic. Open the funder.Women's Business Development…$225KThe Energy Foundation: received $42M on this topicThe Energy Foundation$42MUnited States Energy Foundation: received $28M on this topicUnited States Energy Foundation$28MThe Energy Foundation: received $27M on this topicThe Energy Foundation$27MLifemoves: received $17M on this topicLifemoves$17MHousing Matters: received $8.7M on this topicHousing Matters$8.7MAdvanced Energy Institute: received $7.3M on this topicAdvanced Energy Institute$7.3MThe Partnership Project Inc: received $7.2M on this topicThe Partnership Project Inc$7.2MTime for A Change Foundation: received $6.0M on this topicTime for A Change Foundation$6.0MThe Partnership Project: received $4.8M on this topicThe Partnership Project$4.8MLeague of Conservation Voters Education Fund: received $4.0M on this topicLeague of Conservation Voters E…$4.0MInternational Sustainable Energy Foundation: received $3.4M on this topicInternational Sustainable Energ…$3.4MChinle Unified School District: received $3.3M on this topicChinle Unified School District$3.3MThe Greenlining Institute: received $3.3M on this topicThe Greenlining Institute$3.3MInternational Sustainable Energy Foundation: received $3.2M on this topicInternational Sustainable Energ…$3.2MNew Way Homes Inc: received $3.2M on this topicNew Way Homes Inc$3.2MInternational Council On Clean Transportation: received $3.1M on this topicInternational Council On Clean…$3.1MSocial & Environmental Entrepreneurs Inc: received $2.9M on this topicSocial & Environmental Entrepre…$2.9MSt Paul Transportation Management Organization: received $2.9M on this topicSt Paul Transportation Manageme…$2.9MBluegreen Alliance Foundation: received $2.8M on this topicBluegreen Alliance Foundation$2.8MUnited States Energy Foundation: received $2.6M on this topicUnited States Energy Foundation$2.6MLyon County Area Transportation: received $2.6M on this topicLyon County Area Transportation$2.6MNon-Profit Housing Association of Northern California: received $2.5M on this topicNon-Profit Housing Association…$2.5MSierra Club Foundation: received $2.5M on this topicSierra Club Foundation$2.5MInternational Council On Clean Transportation: received $2.4M on this topicInternational Council On Clean…$2.4MEnvironmental Defense Fund Incorporated: received $2.4M on this topicEnvironmental Defense Fund Inco…$2.4MTerner Housing Innovation Labs Inc: received $2.4M on this topicTerner Housing Innovation Labs…$2.4MWestern Resource Advocates: received $2.3M on this topicWestern Resource Advocates$2.3MAmerican Lung Association: received $2.2M on this topicAmerican Lung Association$2.2MNatural Resources Defense Council Inc: received $2.1M on this topicNatural Resources Defense Counc…$2.1MOsborn School District #8: received $2.0M on this topicOsborn School District #8$2.0MCity of Chandler: received $2.0M on this topicCity of Chandler$2.0MTolleson Union High School District: received $2.0M on this topicTolleson Union High School Dist…$2.0MArizona Autism Charter Schools Inc: received $2.0M on this topicArizona Autism Charter Schools…$2.0MC40 Cities Climate Leadership Group Inc: received $1.9M on this topicC40 Cities Climate Leadership G…$1.9MEmpower College Prep: received $1.9M on this topicEmpower College Prep$1.9MWestern Maricopa Education Center: received $1.9M on this topicWestern Maricopa Education Cent…$1.9MHousing California: received $1.8M on this topicHousing California$1.8MCartwright School District: received $1.7M on this topicCartwright School District$1.7MCoffey County Transportation: received $1.7M on this topicCoffey County Transportation$1.7MStichting European Climate Foundation: received $1.7M on this topicStichting European Climate Foun…$1.7MPublic Citizen Foundation Inc: received $1.7M on this topicPublic Citizen Foundation Inc$1.7MGlobal Philanthropy Partnership: received $1.6M on this topicGlobal Philanthropy Partnership$1.6MFresh Energy: received $1.6M on this topicFresh Energy$1.6MLouisiana Homebuyer Education Collaborative Inc: received $1.6M on this topicLouisiana Homebuyer Education C…$1.6MCrane Elementary School District #13: received $1.6M on this topicCrane Elementary School Distric…$1.6MUnion of Concerned Scientists Inc: received $1.6M on this topicUnion of Concerned Scientists I…$1.6MEarthjustice: received $1.6M on this topicEarthjustice$1.6MCeres Inc: received $1.5M on this topicCeres Inc$1.5MClean Water Fund: received $1.5M on this topicClean Water Fund$1.5MLast Chance Animal Rescue Inc: received $1.4M on this topicLast Chance Animal Rescue Inc$1.4M(179) Institute for Transportation and Development Policy: received $1.3M on this topic(179) Institute for Transportat…$1.3MEnvironmental Defense Fund Inc: received $1.1M on this topicEnvironmental Defense Fund Inc$1.1M(239) Conservation Law Foundation Inc: received $1.1M on this topic(239) Conservation Law Foundati…$1.1MIcct International Council On Clean Transportation: received $1.1M on this topicIcct International Council On C…$1.1MAnti-Cruelty Society: received $1.1M on this topicAnti-Cruelty Society$1.1M(238) Conservation Law Foundation Inc: received $1.0M on this topic(238) Conservation Law Foundati…$1.0MBrandywine Valley Society for the Prevention of Cruelty to Animals: received $767K on this topicBrandywine Valley Society for t…$767KOsage County General Public Transpo: received $582K on this topicOsage County General Public Tra…$582KCommunity Partners: received $575K on this topicCommunity Partners$575KThe Funders' Network Inc: received $475K on this topicThe Funders' Network Inc$475KLabor Community Strategy Center: received $430K on this topicLabor Community Strategy Center$430KUprise Transport Illinois LLC: received $75K on this topicUprise Transport Illinois LLC$75KMoetta's Transport: received $75K on this topicMoetta's Transport$75KSecure Transport LLC: received $75K on this topicSecure Transport LLC$75K
12 funders, 64 recipients, grants matching “transportational” 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 2019–2025. 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 →