This information is provided by the candidate
- Central Labor Council of Humboldt and Del Norte Counties
- American Federation of State, County and Municipal Employees (AFSCME) Local #1684
- Carpenters Union Local #751
- Building and Construction Trades Council
- Sierra Club
- Patty Berg, California State Assembly
- Patrick Riggs, former Democratic Central Committee Chair
- Mike Harvey, former Republican Central Committee Chair
- Dana Silvernale, Humboldt County Green Party Chair
- John Woolley, Humboldt County Board of Supervisors
- Mark Lovelace, Humboldt County Board of Supervisors Elect
- Bruce Rupp, Humboldt Bay Municipal Water District Board President
- Randy Turner, HBMWD Board Vice-President
- Aldaron Laird, Humboldt Bay Municipal Water District Board
- Chris Kerrigan, Eureka City Council
- Peter LaVallee, Former Eureka Mayor
- Mike Wilson, Humboldt Bay Recreation & Conservation District
- Connie Stewart, Former Arcata Mayor and Staffer for Patty Berg
- Chris Beresford, Humboldt Democratic Central Committee Vice Chair
- Richard Marks, Humboldt Democratic Central Committee
- Harmony Groves, Arcata City Council
- Shane Brinton, Northern Humboldt Union High School District
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