- The Signal Newspaper
- Republican National Hispanic Assembly of California
- Southern California Republican Women & Men
- SEAL PAC
- National Right to Life Committee
- North LA County Republican Women Federated
- Santa Clarita Republican Women Federated
- Simi Valley/Moorpark Republican Women Federated
- Antelope Valley Republican Women Federated
- Combat Veterans for Congress
- War Veteran Fund
- Animal Wellness Action
- Ventura County Deputy Sheriffs' Association
- National Republican Congressional Committee
- Club for Growth
- Republican Jewish Coalition
- President Donald J Trump
- Ambassador Nikki Haley
- Former US Senator & California Governor Pete Wilson
- Former US Representative Elton Gallegly
- Former US Representative Howard “Buck” McKeon
- House Minority Leader Kevin McCarthy
- US Senator Tom Cotton
- US Representative Ken Calvert
- US Representative Paul Cook
- US Representative Dan Crenshaw
- US Representative Doug LaMalfa
- US Representative Tom McClintock
- US Representative Devin Nunes
- Former US Representative Darrell Issa
- Former US Representative Steve Knight
- State Senator Scott Wilk
- State Assemblyman Tom Lackey
- Former State Assemblyman & State Senator Tony Strickland
- Former LA County Supervisor Mike Antonovich
- Larry Elder, Radio & Television Talk Show Host
- Cameron Smyth, Mayor, City of Santa Clarita
- Bob Kellar, Councilman, City of Santa Clarita
- Laurene Weste, Councilwoman, City of Santa Clarita
- Marsha McLean, Councilwoman, City of Santa Clarita
- Keith Mashburn, Mayor, City of Simi Valley
- R. Rex Parris, Mayor, City of Lancaster
- Steve Hofbauer, Mayor, City of Palmdale
- Mel Alfarero, Founder & National Chairman, Filipino American Republicans, Los Angeles County
- B.J. Atkins, Director, Santa Clarita Valley Water Board
- Bill Ayub, Sheriff, Ventura County
- Glen Becerra, Former Councilman, City of Simi valley
- Dr. Roy Burns, Former President, Association of Los Angeles Deputy Sheriffs
- Michael Bradbury, Former District Attorney, Ventura County
- Bob Brooks, Former Sheriff, Ventura County
- Dee Dee Cavanaugh, Councilwoman, City of Simi Valley
- Steve Cooley, Former District Attorney, Los Angeles & GOP nominee for Attorney General
- Bill Cooper, President, Santa Clarita Valley Water Board
- Stephanie English
- Yvonne Farris, Former President, Board of Education, Ventura County
- Don Henry, President, Agua Dulce Town Council
- Mike Judge, Councilman, City of Simi Valley
- R.J. Kelly, Director, Santa Clarita Valley Water Board
- Dennis Koontz, Former Councilman, City of Santa Clarita
- Dean Kunicki, Former Member, Board of Education, Ventura County
- Elaine Litster, Councilwoman, City of Simi Valley
- Gary Martin, Vice President, Santa Clarita Valley Water Board
- Bill Miranda, Councilman, City of Santa Clarita
- Joe Messina, Trustee, Williams S. Hart School Board
- Linda Storli, Trustee, Williams S. Hart School Board
- Steve Sturgeon, President, Williams S. Hart School Board
- Greg Totten, District Attorney, Ventura County
- Barbra Williamson, Former Councilwoman, City of Simi Valley