Massachusetts' November 6, 2012 General Election
U.S. Senate Elizabeth Warren (D) -
v Incumbent Scott Brown (R) - Animal Rightist Endorsed - Lost
1st District CD2 Incumbent Richard Neal (D) - Animal Rightist Endorsed
2nd District CD3 Incumbent Jim McGovern (D) - Animal Rightist Endorsed
3rd District CD5 Incumbent Nicola Tsongas (D) - Animal Rightist Endorsed
4th District - OPEN SEAT Joseph Patrick "Joe" Kennedy, III (D) v Sean D. Bielat (R)
5th District CD7 Incumbent Ed Markey (D) - Animal Rightist Endorsed
6th District Incumbent John Tierney (D) - Animal Rightist Endorsed and Funded
7th District CD8 Incumbent Mike Capuano (D) - Animal Rightist Endorsed
8th District CD9 Incumbent Stephen Lynch (D) - Animal Rightist Endorsed
9th District CD10 Incumbent Bill Keating (D) - Animal Rightist Endorsed
10th District Lost in redistricting
Animal Rightist endorsed and/or sponsors of AR supported state legislation

Senate
Robert Hedlund (R, Plymouth)
Mark C. Montigny (D, 2nd Bristol and Plymouth)
Bruce E. Tarr (R, 1st Essex and Middlesex)
House
James Arciero (D, 2nd Middlesex)
Cory Atkins (D, 14th Middlesex)
Bruce Ayers (D, 1st Norfolk)
Michael Brady (9th Plymouth)
William N. Brownsberger (D, 24th Middlesex)
Jennifer Callahan (D, 18th Worcester)
Christine E. Canavan (D, 10th Plymouth)
Cheryl A. Coakley-Rivera (D, 10th Hampden)
Thomas P. Conroy (D, 13th Middlesex)
Steven J. D'Amico (D, 4th Bristol)
Stephen L. DiNatale (D, 3rd Worcester)
John P. Fresolo (D, 16th Worcester)
Louis Kafka (D, 8th Norfolk)
John D. Keenan (D, 7th Essex)
Eugene L. O'Flaherty (D, 2nd Suffolk)
Jason Lewis (D, 31st Middlesex)
Paul McMurtry (D, 11th Norfolk)
George Peterson (R, 9th Worcester)
Denise Provost (D, 27th Middlesex)
Carl M. Sciortino, Jr. (D, 34th Middlesex)
Tom Sannicandro (D, 7th Middlesex)
Walter Timily (D, 7th Norfolk)
Timothy J. Toomey, Jr. (D, 26th Middlesex)