The W.K. Kellogg Foundation is the seventh largest private foundation in the United States, and the largest nonprofit in Michigan.

The Mangrove Foundation was a subsidiary of the Atlantic Philanthropies, a private foundation created in 1982 by Irish-American businessman Chuck Feeney. The Atlantic Philanthropies focused its advocacy on health, social, and politically left-of-center public policy causes in Australia, Bermuda, Ireland, South Africa, the United States, and Vietnam.

The Sustainable Markets Foundation (SMF) is an environmental advocacy group that supports legislation to ban the production of natural gas. 41 SMF is organized as a 501(c)(3) public charity, not a foundation. The organization serves

The Stephen M. Silberstein Foundation was established by Stephen Silberstein in Belvedere, California, in May 1998.57 Records indicate the

The Sea Change Foundation is a major left-of-center foundation whose grantmaking focuses on supporting environmentalist think tanks and advocacy groups, most notably the Energy Foundation, an environmentalist pass-through funder, and the Natural Resources Defense Council (NRDC), an advocacy nonprofit. Sea Change was founded in 2006 by Nathaniel

The Robert Wood Johnson Foundation (also known by its abbreviation, RWJF) was named after its founder, Robert Wood “General” Johnson II, son of the co-founder of Johnson & Johnson.90 The foundation, based in Princeton,

The Nick and Leslie Hanauer Foundation is the private foundation of progressive technology investor and reported Democracy Alliance partner Nick Hanauer.127 Hanauer, dubbed “America’s worst

The Gill Foundation was established in 1994 by Tim Gill. The foundation, based in Denver, Colorado, was created as a 501(c)(3) tax-exempt private foundation to support public policy efforts that promote equality for lesbian, gay, bisexual, and transgender (LGBT) people and economic opportunity in Colorado.

The Energy Foundation, also known as the United States Energy Foundation, is a left-of-center “pass through” charitable foundation founded by and supported by a network of left-wing organizations. The Foundation began in January 1991 as a $20 million collaborative between the Pew Charitable Trusts, Rockefeller family foundations, and

For more information, see Tides Nexus The Tides Center is a left-of-center nonprofit created to manage the fiscal sponsorship services of its “sister” organization, the Tides Foundation. Both groups are part of the Tides Nexus of pass-through and fiscal sponsorship nonprofits based in San Francisco, California.

Not be confused with the left-of-center Jewish advocacy group Bend the Arc. The Arc of the United States, commonly referred to as “The Arc,” is a charitable organization that provides services to people with intellectual and developmental disabilities and advocates for public policies related to care for those disabilities.

Floridians Protecting Freedom (FPF) is an advocacy coalition that promotes pro-abortion policies. It previously supported the 2024 Florida Amendment 4, or the “Right to Abortion Initiative” that would make abortion access a constitutionally protected right within the state of Florida. It failed 57% to 42% in November 2024. The

Ta’ayush, or “coexistence” in Arabic, is an Israel-based volunteer organization that promotes pro-Palestinian advocacy and has previously claimed that the State of Israel is an “apartheid” state and “an armed fortress in the heart of the Middle East.”

The Movement for Black Lives Action Fund (M4BL Action) is the lobbying and electoral advocacy affiliate of the Movement for Black Lives, a left-of-center organization associated with the Black Lives Matter movement. 306

Missouri Jobs With Justice (MO JWJ) is a labor-union-aligned advocacy group 317 that is the Missouri state affiliate of Jobs With Justice, a national coalition of worker centers

Queer the Land is a LGBT advocacy organization located in Seattle, Washington, that promotes collective ownership of “land and labor” to counter “displacement and gentrification in Seattle.”  325

The Western Colorado Alliance for Community Action (WCA) is an environmentalist activist group promoting left-of-center social and governmental policies in the Western Slope areas of Colorado.  335 It focuses largely on environmental and

Arrow Impact is a left-of-center private foundation that is funded by investment manager Mark Wolfson and his wife Sheila that is led by Charlie Wolfson. 346 It makes grants to organizations seeking

Oasis Legal Services is a left-of-center legal activist organization that provides legal assistance with asylum, residency, naturalization, Violence Against Women Act (VAWA) cases, and family petitions for LGBT immigrants. 364 The group maintains offices

The Women’s Earth and Climate Action Network (WECAN) International is an environmental and social advocacy nonprofit. The group claims that its mission is to advocate for a transition to weather-dependent energy and to advocate for women to be placed in energy policy leadership roles.