| Zwirner Foundation a Nonprofit Corporation | | Hinsdale, IL | Local | 5 | 2024 | $9,300,000 |
| Peterson Family Foundation | | Pittsburgh, PA | Local | 3 | 2024 | $100,000 |
| Brandt Foundation | | | Local | 7 | 2024 | $72,500 |
| Donald Levin Family Foundation | | Glenview, IL | Local | 3 | 2024 | $65,000 |
| Negaunee Foundation Ltd | | Northbrook, IL | Local | 5 | 2024 | $50,000 |
| Miller Foundation Inc | | Vesuvius, VA | National | 7 | 2024 | $44,000 |
| John R Halligan Charitable Fund | | Bannockburn, IL | Local | 7 | 2024 | $41,000 |
| Clark-Halladay Memorial Foundation | | Oakbrook Ter, IL | National | 3 | 2024 | $17,000 |
| Mark and Maureen Miller Family Foundation | | Denver, CO | National | 7 | 2024 | $15,000 |
| Judith and Richard Welch Family Foundation | | Riverwoods, IL | Local | 5 | 2024 | $11,000 |
| Coffman Foundation | | Kildeer, IL | National | 5 | 2024 | $9,000 |
| Benjamin J Rosenthal Foundation | | Deerfield, IL | Local | 5 | 2024 | $8,000 |
| Jaquith Family Foundation | | Wilson, WY | Local | 5 | 2024 | $7,500 |
| Gore Animal Foundation | | Elgin, IL | Local | 7 | 2024 | $6,700 |
| Rose F and Alice M Koffend Foundation | | Northbrook, IL | Local | 7 | 2024 | $5,250 |
| Jay Whipple Family Foundation | | Lake Forest, IL | Local | 5 | 2024 | $5,000 |
| Eric Holby Animal Welfare Foundation | | Elburn, IL | National | 5 | 2024 | $4,500 |
| Susan & Jerome Ettelson Fund | | Chicago, IL | Local | 3 | 2024 | $4,000 |
| Hunting Foundation | | Palm Bch Gdns, FL | Local | 3 | 2024 | $3,500 |
| Walter and Karla Goldschmidt Foundation | | Glencoe, IL | Local | 2 | 2024 | $3,500 |
| Cmb Foundation | | Mettawa, IL | Local | 5 | 2024 | $3,250 |
| Handelsman Family Foundation | | Glencoe, IL | Local | 6 | 2024 | $3,150 |
| Circle of Service Foundation | | Chicago, IL | Local | 4 | 2024 | $3,000 |
| Angell Family Foundation | | Skokie, IL | Local | 3 | 2024 | $3,000 |
| Lydia & Gus Backer Family Foundation | | Paradise Vly, AZ | Local | 2 | 2024 | $2,000 |
| The Buchanan Family Foundation | | Lake Forest, IL | Local | 2 | 2024 | $2,000 |
| Ernsteen Family Foundation | | Buffalo Grove, IL | National | 6 | 2024 | $1,650 |
| Kris & Liz Howard Family Foundation | | Green Oaks, IL | Local | 1 | 2024 | $1,000 |
| Joseph H Goldberg Family Foundation | | Deerfield, IL | Local | 1 | 2024 | $500 |
| William N and Jane C Pontikes Foundation | | Riverwoods, IL | Local | 2 | 2024 | $200 |
| Rich Family Foundation | | Buffalo, NY | Local | 1 | 2024 | $150 |
| The Sammann Family Foundation | | Wilmington, DE | Local | 1 | 2024 | $100 |
| Margaret Raphael Foundation-Tr | | Pittsburgh, PA | Local | 2 | 2023 | $100,000 |
| George F and Helen M Hirschmann Charitable Foundation | | Rolling Meadows, IL | Local | 4 | 2023 | $20,000 |
| Lee Family Foundation | | Lake Bluff, IL | Local | 6 | 2023 | $12,500 |
| Landgraf Family Foundation | | Libertyville, IL | Local | 2 | 2023 | $10,087 |
| American Society for the Prevention of Cruelty to Animals | | New York, NY | National | 1 | 2023 | $9,400 |
| Crain-Maling Foundation | | Lake Forest, IL | National | 5 | 2023 | $5,000 |
| Gianaras Foundation | | Deerfield, IL | Local | 2 | 2023 | $2,000 |
| Sharon L King Foundation | | Glenview, IL | Local | 4 | 2023 | $1,008 |
| Komarek-Hyde-Soskin Foundation | | Orland Park, IL | Local | 1 | 2023 | $1,000 |
| Rintels Family Foundation | | Chicago, IL | Local | 1 | 2023 | $1,000 |
| First Bank of Highland Park Foundation | | Highland Park, IL | Local | 3 | 2023 | $550 |
| Jim Jacobson Charitable Fund | | Chicago, IL | National | 1 | 2023 | $500 |
| Spencer Foundation | | Chicago, IL | National | 1 | 2023 | $300 |
| Retirement Research Foundation | | Chicago, IL | Local | 1 | 2023 | $150 |
| Das Charitable Fund for the Preservation of Feline Animal Life | | | — | 3 | 2022 | $121,200 |
| Adams Paws and Claws Charitable Foundation | | Kittanning, PA | Local | 2 | 2022 | $31,000 |
| Scaife Family Foundation | | West Palm Beach, FL | National | 1 | 2022 | $20,000 |
| Howard and Ursula Dubin Foundation | | Evanston, IL | Local | 1 | 2022 | $5,000 |
| Joseph M Siegman Family Foundation | | Delray Beach, FL | Local | 3 | 2022 | $4,500 |
| Rozansky Family Foundation | | | National | 5 | 2022 | $1,500 |
| Klaff Family Foundation | | Chicago, IL | Local | 1 | 2022 | $1,000 |
| Weisman Family Foundation C/O Barbara Morgenstern | | | — | 3 | 2022 | $100 |
| Albert a Hound James V Engdahl Foundation | | Libertyville, IL | — | 2 | 2021 | $48,500 |
| Bissell Pet Foundation | | Grand Rapids, MI | National | 2 | 2021 | $17,050 |
| Abe and Ida Cooper Foundation | | Glencoe, IL | Local | 4 | 2021 | $10,000 |
| The John and Kathleen Schreiber Foundation | | Lake Forest, IL | Local | 2 | 2021 | $2,500 |
| Alliant Credit Union Foundation | | Chicago, IL | National | 1 | 2021 | $2,500 |
| Leviton Family Foundation | | Highland Park, IL | Local | 2 | 2021 | $1,500 |
| Curt and Linda Rodin Familyfoundation | | Northbrook, IL | Local | 1 | 2021 | $1,000 |
| Golden Family Foundation | | Winnetka, IL | Local | 1 | 2021 | $750 |
| Schwarzbach Family Foundation | | | Local | 1 | 2021 | $100 |
| Marmor Foundation | | Riverwoods, IL | Local | 1 | 2021 | $50 |
| Noonmark Foundation | | Mount Vernon, IA | National | 1 | 2021 | $25 |
| Helen Brach Foundation | | Chicago, IL | Local | 1 | 2020 | $10,000 |
| Simple Generosity Foundation | | Cape Eliz, ME | National | 1 | 2020 | $6,053 |
| Bruce Foundation | | Chicago, IL | National | 1 | 2020 | $5,000 |
| Pattis Family Foundation | | Highland Park, IL | — | 2 | 2020 | $1,000 |
| Earl and Bettie Fields Charitable Foundation Inc | | Glencoe, IL | National | 1 | 2020 | $1,000 |
| Cole-Crone Family Foundation Inc | | Deerfield, IL | National | 1 | 2020 | $1,000 |
| Manone Family Foundation | | Fort Myers, FL | Local | 1 | 2020 | $500 |
| Howard and Sandra Mandell Foundation | | Glencoe, IL | Local | 1 | 2020 | $500 |
| Louis S and Barbara L Kahn Family Foundation | | | Local | 1 | 2020 | $100 |
| Robert M and Barbara G Thomas Foundation | | Highland Park, IL | Local | 1 | 2020 | $50 |
| David Rothschild Memorial Foundation | | Northbrook, IL | Local | 1 | 2020 | $50 |
| Frederick Henry Prince Testamentary Trust | | Chicago, IL | National | 1 | 2019 | $5,000 |
| The Duffield Family Foundation | | Pleasanton, CA | National | 1 | 2019 | $2,500 |
| Meg and Tim Callahan Family Foundation | | | Local | 1 | 2019 | $1,500 |
| R J Mullen Sr and Family Foundation | | Glenview, IL | Local | 1 | 2019 | $500 |
| Thomas & Marilyn Heath Charitable Trust | | | Local | 1 | 2019 | $250 |
| Yaris Family Foundation | | Maplewood, NJ | National | 1 | 2019 | $25 |
| Thistle & Rose Foundation | | Montecito, CA | Local | 1 | 2018 | $2,000 |
| Nikoh Foundation | | Northbrook, IL | Local | 1 | 2018 | $1,000 |
| The Meryl and Christopher Lewis Foundation | | Hastings Hdsn, NY | Local | 1 | 2018 | $500 |
| Franklin F Offner Foundation | | Libertyville, IL | Local | 1 | 2018 | $250 |
| John D & Catherine T Macarthur Foundation | | Chicago, IL | National | 1 | 2018 | $150 |
| Trotter Family Foundation | | Wilmette, IL | Local | 1 | 2018 | $100 |
| B & J Association | | Winnetka, IL | Local | 1 | 2018 | $50 |
| Malcomb & Beth Lowenstein Foundation | | Bloomfld Hls, MI | National | 1 | 2018 | $50 |