The Metropolitan Washington Council AFL-CIO (MWC AFL-CIO) is federation of local Washington, D.C.-based labor unions that claims to represent nearly 200 union affiliates, in both government and private sectors. The council supports its member unions by organizing rallies and strikes, as well as by endorsing Democratic politicians. The council is

Movement Alliance Project (formerly Media Mobilizing Project) is a left-wing community organizing outfit in Philadelphia that funds a variety of left-leaning policy campaigns and organizations. The organization was founded in 2005 to organize left-progressive campaigns around poverty, criminal justice, and public schools. The organization manages several projects including the People’s Media

The Massachusetts AFL-CIO is the state-level affiliate of the national AFL-CIO labor federation. The organization is comprised of over 500 local labor unions in Massachusetts and lobbies for left-leaning labor policies at the state, local, and federal levels. The organization is led by Steve Tolman, a Massachusetts Democratic

The Marine Engineers’ Beneficial Association (MEBA) is a labor union affiliated with the AFL-CIO that represents licensed mariners on U.S.-flagged merchant ships. As of 2019, MEBA reported a total of 24,448 members.

The Marguerite Casey Foundation is the smaller of the two major left-of-center private foundations created from the legacy of United Parcel Service founder James E. Casey, the other being the Annie E. Casey Foundation. The Marguerite Casey Foundation emerged nearly two decades after James E. Casey’s death from Casey

MapLight is a left-of-center research organization that reports on legislative affairs and uses an online database to track financial activity in politics. It publishes newsletters; issues an online voter guide, Voter’s Edge; and builds software to make campaign donations more accessible for public viewing. The Democracy Alliance, a donor

The Leonard & Sophie Davis Fund is a private foundation making grants to left-of-center organizations associated with health, education, and Jewish philanthropy. 1 Alan Davis, the fund’s president, is

Lake Research Partners is a political polling and research firm founded in 1995 by Celinda Lake. The firm is based in Washington, D.C. and has worked with numerous left-leaning organizations and Democratic political candidates. 1

The JPB Foundation is a private foundation created by Barbara Picower in 2011. It is one of the largest grant-making foundations in the United States. 1 Focused on medical, environmental, and poverty issues, the

ISAIAH is an activist organization based in Minnesota that recruits left-of-center activists from church congregations in order to advance a number of left-of-center policy priorities. ISAIAH opposes the use of law enforcement to deter crime, advocates for the decreased incarceration of criminals, and works against the enforcement of immigration laws.

International Union of Journeymen and Allied Trades (IUJAT) is a federation of 38 national and local labor unions that claims 73,437 members across the automotive, construction, transportation, service, energy, public, and other sectors.

The International Brotherhood of Electrical Workers (IBEW) is a labor union representing electrical workers across the United States and Canada. The IBEW a member union of the AFL-CIO labor federation. The IBEW routinely gives large donations to candidates and political action committees affiliated with the Democratic Party, in addition

The Interfaith Alliance of Iowa is the Iowa affiliate of the Interfaith Alliance. It promotes left-of-center policies in Iowa and opposes the political activities of conservative Christians. Background Incorporated in 1996, two years after its national sister organization, the Interfaith Alliance of Iowa advocates for abortion access, gun control,

The Institute for Southern Studies is a media and research center based in Durham, North Carolina, that advocates for liberal political and social causes in the Southern United States. The Institute conducts research, especially investigative journalism, with a left-of-center viewpoint on issues such as economics, labor unionism, environmentalism, racial identity,

Industrial Areas Foundation (IAF) is a left-of-center community and interfaith organizing organization founded in 1940 by a group of business and faith leaders including far-left activist Saul Alinsky, who authored the book Rules for Radicals. The organization took on its current form in the early 1970s following Alinsky’s death

HeadCount is an organization that works with musicians to promote democratic participation in the United States. The organization was founded in 2004 and has since registered over half a million voters through concerts and events.  1

The Hawaii State AFL-CIO is the state-level affiliate of the left-leaning AFL-CIO national labor federation. The organization is comprised of more than 70 local labor unions in Hawaii and lobbies for left-leaning labor policies in at the state, local, and federal levels. The organization is led by Randy Perreira,

The Groundswell Fund is a “pass through” grantmaking organization that funds advocacy and direct-services groups working on reproductive issues—especially those that advocate for increased access to abortion for minority groups—and transgender interests. History and Background The Groundswell Fund focuses on increasing access to low-cost or government-funded abortions, contraception, midwifery, and

The Greater Wisconsin Committee is a liberal and Democratic Party-aligned advocacy organization that focuses on supporting left-progressive candidates in Wisconsin elections, in which it is consistently one of the largest spenders. The group is funded by various left-leaning organizations, most prominently labor unions, and is best known for funding attack

The German Marshall Fund of the United States (GMF) is a nonprofit think-tank founded in 1972 by Willy Brandt, at the time West German Chancellor and leader of the left-progressive Social Democratic Party (SDP).