- California Democratic Party
- California Teachers Association
- California League of Conservation Voters
- California Nurses Association
- Alliance for Retired Americans
- Rep. Lois Capps, 23rd Congressional District
- Rep. Brad Sherman, 27th Congressional District
- Laborers International Union of North America
- The Sierra Club, National and Los Padres Chapter
- Tri-Counties Central Labor Council
- Tri-Counties Building and Construction Trades Council
- The Ventura County Reporter
- Ventura County Young Democrats
- SB CAN ACTion Fund (Santa Barbara County Action Network)
- State Democratic Party* Vice-Chair Eric Bauman
- State Democratic Party* Vice-Chair Alex Gallardo-Rooker
- State Assemblyman Pedro Nava
- State Superintendent of Public Instruction Jack O'Connell
- State Senator Fran Pavley
- State Assemblywoman and Speaker pro Tempore Fiona Ma
- State Assemblywoman Julia Brownley
- State Assemblyman David Jones
- Ventura County Supervisor Steve Bennett
- Ventura County Supervisor John C. Zaragoza
- Santa Barbara County Supervisor Salud Carbajal
- Santa Barbara County Supervisor Janet Wolf
- Santa Barbara County Supervisor Doreen Farr
- Santa Barbara Mayor Helene Schneider
- Santa Barbara City Councilman Grant House
- Santa Barbara City Councilman Bendy White
- Santa Barbara City Councilman Das Williams
- Dr. Mark Lisagor, Ventura County School Board Trustee*
- Dr. Ramon Flores, Ventura County School Board Trustee*
- David Atkins, President, Ventura County Young Democrats*
- Debbie Birenbaum, former President, Democratic Club of the Conejo Valley*
- Sue Boloorchi, President, Democratic Club of Camarillo*
- Al Dirrim, Greater Oxnard Organization of Democrats*
- Hilda Zacarias, Councilmember, City of Santa Maria
- Ed Easton, Councilmember, City of Goleta
- Bill Fulton, Mayor, City of Ventura
- Sean P. Keenan, President, Ojai Valley Democratic Club*
- Ron Suckle, Stonewall Democrats of Ventura County*
- Harry Keim, President, Lompoc Valley Democrats*
- Sandra Kinsler, President, Democratic Club of Ventura*
- Susan Lacy, former Ventura County Supervisor
- Leo Valenzuela, labor leader and Vice-President, Working Blue Democratic Club*
- Naomi Schwartz, former Santa Barbara County Supervisor
- Marty Blum, former Santa Barbara Mayor
- Susan Rose, former Santa Barbara County Supervisor
- Gail Marshall, former Santa Barbara County Supervisor
- Hannah-Beth Jackson, former State Assemblywoman
- Susan Jordan, Candidate for 35th Assembly District
- Tom Mullens, Chair, Conejo Valley Democratic Club*
- Sharon Hillbrant, former Chair, Ventura County Democratic Party*
- Joyce Howerton, former Lompoc Mayor
- Tony Kinkel, former State Senator
- Henry L. Lacayo, President, Congress of California Seniors*
- David Landecker, former Santa Barbara City Councilman
- Brian Leshon, Interim Chair Ventura County Democratic Party*
- Jill Martinez, former Chair, Ventura County Democratic Party*
- Ed Summers, former Ventura City Councilman
(Note: * titles are for identification purposes only. Support identified here is from individual leaders and does not suggest or imply organizational endorsements.)
- Scott Abrams
- Andrea Adlman
- Jennifer Albert
- Robert Alexander
- Phoebe Alexiades
- Vicki and Joe Allen
- Theresa Ames
- Celeste Anacker
- Victor and Joanne Anderson
- Sarah and Daniel Andrade
- Alejandro Andreatta
- David A. Ascencial
- David Atkins
- Steven Attewell
- Jon Balkind
- Robert Barrett
- Jay Berger
- Gladys Bibb
- Deborah Birenbaum
- Cory Black
- Hillary Blackerby
- Jack Blakemore
- Dr. Joe Blum
- Anita Blume
- Louise Bockall
- Mahmood Boloorchi
- Sandy Bothman
- Ingrid Bowman
- Gary Brewer
- Naomi Brill
- Diane and Doug Brown
- Loraine Brown
- Wes Brown
- Vaughn Eric Bunch
- Stephen Lee Byrd
- Susie Canfield
- Arnulfo Carbajal
- William Carter
- Sherry Cash
- Loyd and Allison Champion
- Jerry and Arlene Clein
- Jen Cooper
- George Corbin
- Tom and Deb Cox
- Carolyn Crandall
- Steve Crandall
- Elaine Crandall
- Ellen Cresswell
- Ron Crouther
- Sherri Cunial
- George and Connie Dailey
