| Hamill Family Foundation | | | Local | 5 | 2024 | $4,050,000 |
| G Carl Ball Family Foundation | | West Chicago, IL | Local | 5 | 2024 | $3,185,000 |
| Walder Family Foundation | | Skokie, IL | Local | 5 | 2024 | $1,885,254 |
| Daniel P Haerther Charitable Trust | | Chicago, IL | Local | 7 | 2024 | $1,827,500 |
| Stephen W and Susan M Baird Foundation | | Chicago, IL | Local | 5 | 2024 | $1,055,000 |
| Chuck and Monica Mcquaid Family Foundation | | Downers Grove, IL | Local | 5 | 2024 | $800,000 |
| Rice Foundation | | Skokie, IL | Local | 4 | 2024 | $375,000 |
| John D & Catherine T Macarthur Foundation | | Chicago, IL | National | 5 | 2024 | $302,670 |
| International Paper Company Foundation | | Memphis, TN | National | 5 | 2024 | $250,000 |
| The Brinson Foundation | | Chicago, IL | Local | 5 | 2024 | $242,000 |
| Cushing Family Foundation | | Chicago, IL | Local | 3 | 2024 | $200,000 |
| Dupage Community Foundation | | Downers Grove, IL | Local | 7 | 2024 | $174,500 |
| The Buchanan Family Foundation | | Lake Forest, IL | Local | 7 | 2024 | $125,000 |
| Friedlander Family Fund | | Cincinnati, OH | Local | 5 | 2024 | $107,001 |
| Dick Family Foundation | | Washington, DC | Local | 6 | 2024 | $88,000 |
| Bersted Foundation | | Dallas, TX | Local | 4 | 2024 | $70,000 |
| Bosch Community Fund | | Farmingtn Hls, MI | National | 3 | 2024 | $67,520 |
| Ranch Spur Charitable Tr | | Wayne, IL | Local | 5 | 2024 | $67,500 |
| The Donnelley Foundation | | Chicago, IL | Local | 5 | 2024 | $62,500 |
| Julian Family Foundation | | Chicago, IL | Local | 6 | 2024 | $60,000 |
| William J Clancy Foundation | | Chicago, IL | Local | 7 | 2024 | $35,000 |
| Patrick and Anna M Cudahy Fund | | Oak Park, IL | Local | 7 | 2024 | $35,000 |
| Greenstate Credit Union | | | Local | 2 | 2024 | $34,400 |
| Robert R Mccormick Foundation | | Chicago, IL | Local | 4 | 2024 | $33,120 |
| Steve & Delores Sarovich Foundation | | Lisle, IL | Local | 4 | 2024 | $33,000 |
| Martin and Patricia Jahn Foundation | | Burr Ridge, IL | Local | 3 | 2024 | $30,000 |
| The Richard Laurence Parish Foundation | | Wheaton, IL | National | 8 | 2024 | $28,500 |
| Allyn Foundation Incorporated a Delaware Corp | | Naperville, IL | Local | 7 | 2024 | $22,000 |
| Emil J and Marie D Kochton Foundation | | Chicago, IL | Local | 2 | 2024 | $22,000 |
| Life Time Foundation | | Chanhassen, MN | National | 1 | 2024 | $16,000 |
| Helen & Curtis Pinnell Foundation | | Des Plaines, IL | Local | 5 | 2024 | $16,000 |
| Dr Scholl Foundation | | Northbrook, IL | Local | 2 | 2024 | $13,000 |
| Richard James Mccann Foundation | | Wheaton, IL | Local | 6 | 2024 | $11,500 |
| Alben F Bates and Clara G Bates Foundation | | Elmhurst, IL | National | 7 | 2024 | $11,000 |
| Cf Industries Foundation | | Northbrook, IL | Local | 1 | 2024 | $10,000 |
| Austin Foundation Inc | | | Local | 2 | 2024 | $9,500 |
| Imc Chicago Charitable Foundation | | Chicago, IL | Local | 2 | 2024 | $8,260 |
| Nancy M and Douglas M Yeager Family Foundation | | Milwaukee, WI | National | 7 | 2024 | $8,000 |
| H M Bitner Charitable Tr | | Pittsburgh, PA | National | 5 | 2024 | $7,500 |
| Carl S and Barbara L Stanley 1997 Charitable Foundation | | Chicago, IL | Local | 5 | 2024 | $7,100 |
| Picchi Family Foundation Inc | | Osprey, FL | Local | 1 | 2024 | $5,000 |
| Oberweiler Foundation | | Barrington, IL | Local | 1 | 2024 | $5,000 |
| Regal-Beloit Charitable Foundation | | Milwaukee, WI | Local | 1 | 2024 | $5,000 |
| Koranda Family Foundation | | Clarendon Hls, IL | Local | 5 | 2024 | $5,000 |
| Adjlm Foundation | | Oak Park, IL | Local | 5 | 2024 | $5,000 |
| Abboud Family Foundation Inc | | Naperville, IL | Local | 3 | 2024 | $4,390 |
| Schnitzer Family Foundation | | Chicago, IL | Local | 5 | 2024 | $3,050 |
| Casten Family Foundation Inc | | Hinsdale, IL | Local | 5 | 2024 | $2,650 |
| Hale Family Foundation Inc | | Chicago, IL | Local | 7 | 2024 | $2,500 |
| Joseph and Helen Komarek Foundation | | Chicago, IL | Local | 2 | 2024 | $1,000 |
| Rintels Family Foundation | | Chicago, IL | Local | 2 | 2024 | $800 |
| Meyer and Raena Hammerman Foundation | | Chicago, IL | National | 3 | 2024 | $740 |
| Robert G Weiss Family Foundation | | Chicago, IL | Local | 2 | 2024 | $590 |
| Andrew C Langert Family Foundation | | Oak Brook, IL | Local | 1 | 2024 | $500 |
| Janis Morris Foundation | | Chicago, IL | Local | 1 | 2024 | $250 |
| Ira and Janina Marks Charitable Tr | | Evanston, IL | Local | 1 | 2024 | $200 |
| Gaylord and Dorothy Donnelley Foundation | | Chicago, IL | National | 3 | 2023 | $260,000 |
| Nayar Family Foundation C/O Janus & Associates Cpas Pc | | | Local | 4 | 2023 | $163,000 |
| National Arbor Day Foundation | | Lincoln, NE | National | 3 | 2023 | $150,100 |
| Manitou Fund | | Saint Paul, MN | National | 3 | 2023 | $150,000 |
| Southern Company Gas Charitable Foundation Inc | | Atlanta, GA | National | 1 | 2023 | $100,000 |
| Frank and Evelyn Schmidt Family Foundation | | Boring, OR | Local | 4 | 2023 | $43,500 |
| The Sevan Charitable Foundation Inc | | Downers Grove, IL | National | 6 | 2023 | $30,000 |
| Couch Family Foundation | | Hanover, NH | National | 5 | 2023 | $27,500 |
| Urban Forest Carbon Registry | | Seattle, WA | National | 1 | 2023 | $25,000 |
| Donald a and Verna M Peterson Foundation | | Downers Grove, IL | Local | 2 | 2023 | $20,000 |
| Roberta M Childs Charitable Foundation | | Plymouth, MA | Local | 3 | 2023 | $12,000 |
| Greenstate Foundation | | North Liberty, IA | Local | 1 | 2023 | $6,050 |
| Chicago Society Foundation | | Oak Park, IL | Local | 1 | 2023 | $5,000 |
| The Lumpkin Family Foundation | | Mattoon, IL | Local | 4 | 2023 | $4,500 |
| Kehe Cares Foundation Inc | | Naperville, IL | National | 1 | 2023 | $3,500 |
| Lumw Foundation | | Pleasant Pr, WI | Local | 3 | 2023 | $3,000 |
| Para Family Charitable Foundation Inc | | Naperville, IL | Local | 4 | 2023 | $2,000 |
| The Alex W Nielsen Foundation Nfp | | | National | 4 | 2023 | $940 |
| Reese Family Charitable Foundation | | | National | 2 | 2023 | $760 |
| Schwan Family Foundation | | Glen Ellyn, IL | Local | 1 | 2023 | $390 |
| Schwabero Family Foundation | | Chicago, IL | Local | 1 | 2023 | $100 |
| Richard King Mellon Foundation Dtd 01-01-47 | | Ligonier, PA | Local | 1 | 2022 | $125,000 |
| American Forests | | Washington, DC | National | 2 | 2022 | $63,167 |
| William and Evelyn Fuchs Family Foundation | | Lombard, IL | Local | 2 | 2022 | $50,000 |
| Robert F Berry Foundation | | Pinehurst, NC | National | 2 | 2022 | $30,000 |
| Elizabeth Morse Genius Charitable Trust | | Chicago, IL | Local | 1 | 2022 | $20,000 |
| Birdlife International | | United Kingdom | Local | 1 | 2022 | $14,101 |
| Lichtenheld Family Foundation | | Woodstock, IL | Local | 5 | 2022 | $10,000 |
| Maxwell Hanrahan Foundation | | San Francisco, CA | — | 1 | 2022 | $10,000 |
| Bnsf Foundation | | Fort Worth, TX | National | 1 | 2022 | $10,000 |
| Cme Group Foundation | | Chicago, IL | Local | 1 | 2022 | $5,000 |
| Saul & Devorah Sherman Fund | | Sag Harbor, NY | National | 4 | 2022 | $2,000 |
| The Sharing of Blessings Foundation a Michigan Nonprofit Corporation | | Grand Haven, MI | Local | 4 | 2022 | $1,712 |
| Edith-Marie Appleton Foundation | | Wilmette, IL | Local | 1 | 2022 | $1,000 |
| Allegis Group Foundation Inc | | Hanover, MD | National | 1 | 2022 | $1,000 |
| Stephen & Barbara Sherwin Foundation Inc | | Fort Collins, CO | National | 1 | 2022 | $1,000 |
| Glenn & Jane Bullock Family Foundation | | Wayne, IL | National | 1 | 2022 | $250 |
| Jsl Family Foundation | | Salado, TX | Local | 1 | 2022 | $175 |
| Tree Fund-Tree Research & Education Endowment Fund | | Naperville, IL | National | 1 | 2021 | $29,236 |
| American Public Gardens Association | | Wilmington, DE | National | 1 | 2021 | $20,000 |
| Community Foundation of the Fox River Valley | | Aurora, IL | Local | 1 | 2021 | $15,000 |
| Bradshaw Family Foundation | | Chicago, IL | Local | 1 | 2021 | $15,000 |
| Westrock Foundation | | Atlanta, GA | National | 1 | 2021 | $10,000 |
| Reenan Family Foundation | | Detroit, MI | Local | 1 | 2021 | $10,000 |
| The Duchossois Family Foundation | | Chicago, IL | Local | 1 | 2021 | $5,000 |
| Helen Brach Foundation | | Chicago, IL | Local | 2 | 2021 | $2,000 |
| Granoff Family Foundation | | Palm Beach, FL | National | 3 | 2021 | $1,130 |
| George Marquis Travers Jr Foundation | | Glen Ellyn, IL | Local | 1 | 2021 | $300 |
| National Geographic Society | | Washington, DC | — | 1 | 2020 | $49,175 |
| Amy & Steve Louis Foundation | | Naples, FL | Local | 2 | 2020 | $30,000 |
| Albert J and Susan E Rot Foundation | | Naperville, IL | Local | 3 | 2020 | $25,000 |
| Jamf Nation Global Foundation | | Minneapolis, MN | Local | 1 | 2020 | $50 |
| Pearsall Family Foundation | | | — | 2 | 2019 | $22,000 |
| Windward Fund | | Washington, DC | National | 1 | 2019 | $20,000 |
| Rochester Area Community Foundation Depository Inc | | Rochester, NY | Local | 1 | 2019 | $11,500 |
| Jeffery Family Charitable Foundation | | Chicago, IL | Local | 2 | 2019 | $750 |
| Robert Wood Johnson Foundation | | Princeton, NJ | National | 1 | 2019 | $500 |
| Cme Group Community Foundation F/K/a Nymex Foundation | | | — | 1 | 2019 | $500 |
| Carol Lavin Bernick Family Foundation | | Oakbrook Terr, IL | Local | 1 | 2019 | $500 |
| Kumar Foundation | | | — | 1 | 2019 | $280 |
| Van Dyke Family Charitable Foundation | | Hillside, IL | Local | 2 | 2019 | $200 |
| Weiner Foundation | | Gig Harbor, WA | National | 1 | 2019 | $125 |
| Michael W Louis Private Foundation | | Lake Geneva, WI | National | 1 | 2018 | $10,000 |
| Lawrence Foundation | | Santa Monica, CA | — | 1 | 2018 | $5,000 |
| Palmer Family Foundation | | River Forest, IL | — | 1 | 2018 | $1,500 |
| Manaaki Foundation | | Chicago, IL | Local | 1 | 2017 | $5,000 |