- American Citizens Abroad
- American Voices International
- Alliance for Securing Democracy
- Avaaz
- Ballotpedia
- Bernalillo County, New Mexico
- Boston Globe Media Partners
- Brennan Center for Justice
- Business Industry PAC
- Campaign OS / CIVITECH
- The Carter Center
- Common Cause
- Democrats Abroad / Vote from Abroad
- ExxonMobil Citizen Action Team
- FAWCO
- Greenback Expat Tax Services
- Hey Mayor!
- Hip Hop Caucus / Respect My Vote Campaign
- iVoteIsrael
- Lake Research
- LawSoup.org
- Lawyer's Committee for Civil Rights Under Law
- League of Women Voters
- National Association of Secretaries of State
- National Association of Colleges and Universities
- Obama/Biden Campaign
- Okaloosa County, Florida
- McCain/Palin Campaign
- Microsoft Bing!
- MotiVote / Participant Media
- MyMove
- OPEX Corporation
- Pipeline Initiative
- ProPublica
- Reed College - Early Voting Information Center
- R/GA (AdCouncil)
- Rock the Vote
- SayYay.com
- State of Alabama
- State of Kentucky
- State of Minnesota
- State of New York
- State of Ohio
- State of Texas
- State of West Virginia
- State of Vermont
- theSkimm
- United States Postal Service
- University of Miami
- University of Texas
- Verified Voting
- Vote.org
- VoteAmerica
- VOTEC
- Voters Abroad