| Name | City | St. | Country | Email | Scope | Network | Update |
| Backroom Guerrilla Brigade (Berkeley) | Berkeley | California | United States | Email | Local | | 02-12
2005 |
| Ball State University PeaceWorkers | Muncie | Indiana | United States | Email | Local | | 01-31
2004 |
| BAMN - Coalition to Defend Affirmative Action and Integration and Fight for Equa | Detroit | Michigan | United States | Email | National | | 01-24
2004 |
| Banana Slugs for Animals | Santa Cruz | California | United States | Email | Local | | 02-13
2009 |
| Banham High School Students against War | San Jose | California | United States | Email | Local | | 11-11
2007 |
| Bankrupt Is The New Black | Mahopac | New York | United States | Email | National | | 05-06
2010 |
| BARA LEADERS NETWORK NIGERIA | Asaba | Delta | Nigeria | Email | National | | 10-18
2011 |
| Bard Earth Action Collective | Annandale-on-Hudson | New York | United States | Email | Local | | 05-26
2004 |
| Bard Prison Activist Coalition | Annandale-on-Hudson | New York | United States | Email | Local | | 02-02
2006 |
| Bard Student Action Collective | Annandale-on-Hudson | New York | United States | | Local | | 09-11
2002 |
| Barrington Students for the Environment and Animal Life | Barrington | Illinois | United States | Email | Local | | 03-23
2005 |
| Bates New World Coalition | Lewiston | Maine | United States | Email | Local | | 09-24
2002 |
| Bay High Project Earth | Bay Village | Ohio | United States | Email | Local | | 04-28
2004 |
| Baylor Environmental Concern Organization | Waco | Texas | United States | Email | Local | | 06-23
2005 |
| Baylor Students for Social Justice | Waco | Texas | United States | Email | Local | | 12-17
2002 |
| BeCounted - College Voter Registration Application | | | United States | Email | National | | 07-22
2008 |
| Beehive Design Collective | Machias | Michigan | United States | Email | Local | | 02-20
2004 |
| Bell High School Students for Democratic Justice | Bell | California | United States | Email | Local | | 01-03
2006 |
| Beloit College Students for a Democratic Society | Beloit | Wisconsin | United States | Email | Local | | 09-01
2006 |
| Berea College HEAL | Berea | Kentucky | United States | Email | Local | | 08-11
2003 |
