- Microsoft
- The Boeing Corporation
- NARAL Pro-Choice Washington
- Builders United in Legislative Development PAC
- Master Builders of King and Snohomish Counties
- WA Association of Realtors
- WA Building Trades Council
- WA Conservation Voters
- Sierra Club
- Cascade Bicycle Club
- League of Education Voters
- Stand For Children
- Redmond Chamber of Commerce Board Chair Stephen Maffett
- Kirkland Mayor Joan McBride
- Kirkland Council Members Dave Asher, Doreen Marchione
- Redmond Mayor John Marchione
- Redmond City Council Members Pat Vache, Richard Cole
- Bellevue City Council Members Claudia Balducci and Grant Degginger
- Medina Mayor Bret Jordan
- Clyde Hill Mayor George Martin
- Yarrow Point Mayor David Cooper
- Hunts Point Mayor Fred McConkey
- Bellevue School District Superintendent Dr. Amalia Cudiero
- Bellevue School Board Members Paul Mills, Chris Marks, Betsy Johnson, Peter Bentley
- Lake Washington School Superintendent Chip Kimball
- Lake Washington School Board Members Doug Eglington, Jackie Pendergrass, Chris Carlson, Ravi Shahani
- Former WA State PTA President Linda Hanson
- WA Fire Chiefs
- Bellevue and Redmond Firefighters
- Law Enforcement Administrators of WA (sheriffs and police chiefs)
- WA Council of Police and Sheriffs (WACOPS)
- State Board of Education members Mary Jean Ryan, Connie Fletcher
- Building Owners and Managers Association
- WA Apartment Association
- WA Trucking Association
- Mortgage Lenders Association
- WA Financial League
