Organizations
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AARP
Washington, District of Columbia
United States

AASA
Alexandria, VA

ABIM Foundation
Philadelphia, Pennsylvania
United States

ABT Associates Inc.
Cambridge, MA

AcademyHealth
Washington, DC

Accelerating School Activity Promotion
Woodland Hills, CA
United States

ACCESS
Washington, DC

Access Info Europe
Madrid
Spain

Access Project
Boston, MA

AccountAbility
London
England

Achieve, Inc.
Washington, DC
United States

Achieving the Dream
Silver Spring, MD

ACLU
New York, NY

Actionaid international
Johannesburg
South Africa

ActKnowledge
New York, New York
United States

Acumen Fund
New York, NY

Adeso
Washington, District of Columbia
United States

Adhikaar
Woodside, NY

Advance Illinois
Chicago, IL

Advancement Project
Washington, DC

Advertising Council
New York, NY
United States

Advocates for Youth
Washington, District of Columbia
United States

Africa Grantmaker
Washington, DC

African Centre for Cities
Rondebosch
South Africa

The After-School Corporation
New York, New York
United States

Afterschool Alliance
Washington, District of Columbia
United States

Aga Khan Foundation USA
Washington, District of Columbia
United States

Ahmanson Foundation
Beverly Hills, California
United States

AIDS United
Washington, DC

Alabama Faith Council
Birmingham, Alabama
United States

Alan Guttmacher Institute
New York, NY
United States

Albion Community Foundation
Albion, Michigan
United States

The Alexandria Archive Institute
San Francisco, California
United States

Alfred P. Sloan Foundation
New York, New York
United States

Alice Paul Institute
Mount Laurel, NJ
United States

All-ages Movement Project, a project of Tides Center
San Francisco, California
United States

Allavida
Nairobi
Kenya

Alliance for Justice
Washington, DC

Altarum Institute
Ann Arbor, MI

Alternatives to Marriage Project
Brooklyn, New York
United States

Alzheimer's Australia
Victoria
Australia

America 2050
New York, NY
United States

America Achieves
New York, NY

America Speaks
Washington, DC

America's Health Insurance Plans
Washington, DC
United States

America's Promise Alliance
Washington, District of Columbia
United States

American Academy of Arts and Sciences
Cambridge, MA
United States

American Academy of Nursing
Washington, District of Columbia
United States

American Academy of Pediatrics
Elk Grove Village, IL

American Association of Museums
Washington, District of Columbia
United States

American Cancer Society
Atlanta, Georgia
United States

American Council of Trustees and Alumni
Washington, DC
United States

American Council on Education
Washington, DC
United States

American Enterprise Institute
Washington, District of Columbia
United States

American Institutes for Research
Washington, District of Columbia
United States

American Library Association
Chicago, Illinois
United States

American Lung Association
Chicago, Illinois
United States

American Psychological Association
Washington, District of Columbia
United States

American Red Cross
Washington, DC

Americans For Gun Safety Foundation
Washington, District of Columbia
United States

Americans for the Arts
Washington, District of Columbia
United States

AmeriCares
Stamford, CT

Americas Society
New York, NY

AMS Planning & Research Corp
New York, NY
United States

Analysis Group
Atlanta, GA

Andrea and Charles Bronfman Philanthropies
New York, New York
United States

Andrew W. Mellon Foundation
New York, New York
United States

Anne Peaker Centre
London
England

Annenberg Foundation
Los Angeles, California
United States

Annie E. Casey Foundation
Baltimore, Maryland
United States

Appleseed
Washington, DC
United States

APPRISE
Princeton, New Jersey
United States

Arabella Advisors
Washington, DC

Arabella Philanthropic Investment Advisors
Washington, District of Columbia
United States

Architecture 2030
Santa Fe, NM

Arcus Foundation
New York, New York
United States

Ariel Education Initiative
Chicago, Illinois
United States

Arizona Community Foundation
Phoenix, Arizona
United States

Arkansas Community Foundation
Little Rock, Arkansas
United States

Arts @ Large
Milwaukee, WI

Arts Corps
Seattle, WA

Arts Education Partnership
Washington, District of Columbia
United States

Arts for All
Omaha, NE

Arts Midwest
Minneapolis, Minnesota
United States

ArtsConnection
New York, New York
United States

ArtServe Michigan
Wixom, Michigan
United States

Artspace
Minneapolis, MN

ArtsSmarts
Toronto, Ontario

As You Sow
Oakland, California
United States

Ashoka
Arlington, VA

Asia Foundation
San Francisco, California
United States

Asia Society
New York, New York
United States

Asian American Justice Center
Washington, DC
United States

Asian Neighborhood Design
San Francisco, California
United States

Asian Pacific Environmental Network
Oakland, California
United States

Aspen Institute
Washington, District of Columbia
United States

Aspire
Boston, MA

Association of Baltimore Area Grantmakers
Baltimore, Maryland
United States

Association of Research Libraries
Washington, DC
United States

Athena Alliance
Washington, District of Columbia
United States

Atlantic Philanthropies
New York, New York
United States

Avalere Health
Washington, DC
United States

AVI CHAI Foundation
New York, New York
United States