The William Penn Foundation
$3.8M 5 2022–2023 2023
+ Support
The William & Flora Hewlett Foundation
$1.2M 8 2020–2024 2024
+ Support
Walton Family Foundation INC
$1.2M 4 2020–2022 2022
+ Support
The Patrick J McGovern Foundation INC
$1.1M 3 2022–2023 2023
+ Support
G
George D Kennedy and Valerie P Kennedy Charitable Trust
$1.0M 1 2023 2023
+ Support
Rockefeller Foundation
$550K 2 2022–2023 2023
+ Support
National Fish and Wildlife Foundation
$481K 5 2019–2024 2024
+ Support
Windward Fund
$450K 3 2020–2023 2023
+ Support
C
Catena Foundation
$383K 3 2021–2023 2023
+ Support
American Endowment Foundation
$363K 4 2020–2024 2024
+ Support
Water Foundation
$300K 1 2023 2023
+ Support
Doris Duke Charitable Foundation INC
$260K 3 2021–2023 2023
+ Support
H
Harvey L & Maud C Sorensen Foundation
$235K 7 2019–2024 2024
+ Support
The Kresge Foundation
$210K 2 2020–2022 2022
+ Support
The McKnight Foundation
$160K 2 2020 2020
+ Support
Caerus Foundation INC
$150K 1 2023 2023
+ Support
E
Esb Charitable Foundation (fka SD
$150K 1 2020 2020
+ Support
S
Sergey Brin Family Foundation
$120K 1 2023 2023
+ Support
Robert Wood Johnson Foundation
$100K 1 2024 2024
+ Support
The Heinz Endowments
$100K 5 2020–2023 2023
+ Support
Greater Milwaukee Foundation INC
$95K 1 2020 2020
+ Support
Tulsa Community Foundation
$87K 4 2020–2024 2024
+ Support
Environmental Defense Fund Incorporated
$80K 2 2021–2022 2022
+ Support
Vanguard Charitable Endowment Program
$75K 3 2020–2024 2024
+ Support
United States Endowment Forforestry and Communities INC
$59K 2 2020–2023 2023
+ Support
T
The Ida and Robert Gordon Family Foundation
$50K 5 2020–2024 2024
+ Support
The Pew Charitable Trusts
$42K 1 2021 2021
+ Support
The Aspen Institute INC
$40K 1 2021 2021
+ Support
The Chicago Community Trust
$40K 4 2021–2024 2024
+ Support
Wilburforce Foundation
$40K 1 2020 2020
+ Support
A
Alexander Foundation INC
$40K 1 2024 2024
+ Support
Monarch Joint Venture
$39K 1 2023 2023
+ Support
The Cynthia & George Mitchell Foundation
$38K 2 2020–2023 2023
+ Support
Maryland Association of Soil Conservation Districts INC
$30K 3 2021–2024 2024
+ Support
The Dixon Water Foundation
$27K 2 2020–2024 2024
+ Support
American Online Giving Foundation INC
$22K 2 2019–2021 2021
+ Support
National Audubon Society INC
$20K 3 2019–2022 2022
+ Support
National Wildlife Federation
$20K 1 2023 2023
+ Support
T
Tc Energy Foundation
$20K 2 2021–2022 2022
+ Support
Ascendium Education Solutions INC
$20K 2 2022–2024 2024
+ Support
Donor Advised Charitable Giving INC
$15K 1 2021 2021
+ Support
Gates Family Foundation
$13K 1 2021 2021
+ Support
T
The Brookhill Foundation
$12K 1 2022 2022
+ Support
H
Hinrichs Foundation INC
$11K 6 2019–2024 2024
+ Support
Farmers Educational & Cooperative Union of America
$10K 1 2024 2024
+ Support
Bradley Impact Fund INC
$10K 1 2021 2021
+ Support
The Nature Conservancy
$9K 1 2024 2024
+ Support
T
The Michael P Dowling Foundation
$2K 2 2021–2022 2022
+ Support
J
John J Frautschi Family Foundation INC
$2K 2 2023–2024 2024
+ Support
R
Robert & Margaret C McNamara Foundation
$2K 3 2019–2023 2023
+ Support
F
Flying Diamond Ranch Foundation
$750 3 2020–2024 2024
+ Support
Amazonsmile Foundation
$47 3 2020–2023 2023
+ Support