- Kathy Sheehan, Mayor of Albany, NY
- Tim Keller, Mayor of Albuquerque, NM
- Ray O’Connell, Mayor of Allentown, PA
- Ethan Berkowitz, Mayor of Anchorage, AK
- Christopher Taylor, Mayor of Ann Arbor, MI
- Gavin Buckley, Mayor of Annapolis, MD
- Keisha Lance Bottoms, Mayor of Atlanta, GA
- Mike Coffman, Mayor of Aurora, CO
- Steve Adler, Mayor of Austin, TX
- Brandon Scott, Mayor of Baltimore, MD
- Randall Woodfin, Mayor of Birmingham, AL
- John Hamilton, Mayor of Bloomington, IN
- Lauren McLean, Mayor of Boise, ID
- Martin J. Walsh, Mayor of Boston, MA
- Sam Weaver, Mayor of Boulder, CO
- Joe Ganim, Mayor of Bridgeport, CT
- William W. Moehle, Supervisor of Town of Brighton, NY
- Juan "Trey" Mendez III, Mayor of Brownsville, TX
- Byron Brown, Mayor of Buffalo, NY
- Sumbul Siddiqui, Mayor of Cambridge, MA
- James Brainard, Mayor of Carmel, IN
- Lydia Lavelle, Mayor of Carrboro, NC
- Albert Robles, Mayor of Carson, CA
- James Diossa, Mayor of Central Falls, RI
- Deborah Feinen, Mayor of Champaign, IL
- Pam Hemminger, Mayor of Chapel Hill, NC
- Vi Lyles, Mayor of Charlotte, NC
- Nikuyah Walker, Mayor of Charlottesville, VA
- Andy Berke, Mayor of Chattanooga, TN
- Thomas G. Ambrosino, City Manager of Chelsea, MA
- Lori Lightfoot, Mayor of Chicago, IL
- Mary Casillas Salas, Mayor of Chula Vista, CA
- Edward Terry, Mayor of Clarkston, GA
- Patrick L. Wojahn, Mayor of College Park, MD
- Stephen K. Benjamin, Mayor of Columbia, SC
- Andrew Ginther, Mayor of Columbus, OH
- Brett Lee, Mayor of Davis, CA
- Nan Whaley, Mayor of Dayton, OH
- Michael B. Hancock, Mayor of Denver, CO
- Frank Cownie, Mayor of Des Moines, IA
- Michael E. Duggan, Mayor of Detroit, MI
- E. Kent Smoll, Mayor of Dodge City, KS
- Riley Rogers, Mayor of Dolton, IL
- Juan Carlos Bermudez, Mayor of Doral, FL
- Roy D. Buol, Mayor of Dubuque, IA
- Steve Schewel, Mayor of Durham, NC
- Richard Molina, Mayor of Edinburg, TX
- Marcia Leclerc, Mayor of East Hartford, CT
- John J. Bauters, Mayor of Emeryville, CA
- Stephen H. Hagerty, Mayor of Evanston, IL
- Lioneld Jordan, Mayor of Fayetteville, AR
- Acquanetta Warren, Mayor of Fontana, CA
- Rosalynn Bliss, Mayor of Grand Rapids, MI
- Jim Gelwicks, Mayor of Gunnison, CO
- Domenick Stampone, Mayor of Haledon, NJ
- Karen Majewski, Mayor of Hamtramck, MI
- Luke Bronin, Mayor of Hartford, CT
- Don Ryan, Mayor of Hempstead, NY
- Nancy R. Rotering, Mayor of Highland Park, IL
- Ravi Bhalla, Mayor of Hoboken, NJ
- Alex Morse, Mayor of Holyoke, MA
- Sylvester Turner, Mayor of Houston, TX
- Steve Williams, Mayor of Huntington, WV
- Svante L. Myrick, Mayor of Ithaca, NY
- Chokwe Lumumba, Mayor of Jackson, MS
- Steven Fulop, Mayor of Jersey City, NJ
- David Anderson, Mayor of Kalamazoo, MI
- David Alvey, Mayor of Kansas City, KS
- Matt Fetick, Mayor of Kennett Square, PA
- Indya Kincannon, Mayor of Knoxville, TN
- Andy Schor, Mayor of Lansing, MI
- Ken Miyagishima, Mayor of Las Cruces, NM
- Robert Garcia, Mayor of Long Beach, CA
- Eric Garcetti, Mayor of Los Angeles, CA
- Satya Rhodes-Conway, Mayor of Madison, WI
- Manuel Cantu, Mayor of McFarland, CA
- John Giles, Mayor of Mesa, AZ
- Francis Suarez, Mayor of Miami, FL
- Oliver G. Gilbert III, Mayor of Miami Gardens, FL
- Tom Barrett, Mayor of Milwaukee, WI
- Jacob Frey, Mayor of Minneapolis, MN
- Wayne M. Messam, Mayor of Miramar, FL
- Yxstian Gutierrez, Mayor of Moreno Valley, CA
- John Cooper, Mayor of Nashville & Davidson County, TN
- Michael Passero, Mayor of New London, CT
- LaToya Cantrell, Mayor of New Orleans, LA
- Noam Bramson, Mayor of New Rochelle, NY
- Bill de Blasio, Mayor of New York City, NY
- Alan L. Nagy, Mayor of Newark, CA
- Ras Baraka, Mayor of Newark, NJ
- Ruthanne Fuller, Mayor of Newton, MA
- Smith Joseph, Mayor of North Miami, FL
- Harry W. Rilling, Mayor of Norwalk, CT
- Marian McClellan, Mayor of Oak Park, MI
- Libby Schaaf, Mayor of Oakland, CA
- Buddy Dyer, Mayor of Orlando, FL
- André Sayegh, Mayor of Paterson, NJ
- Frank Ortis, Mayor of Pembroke Pines, FL
- Jim Kenney, Mayor of Philadelphia, PA
- Kate Gallego, Mayor of Phoenix, AZ
- William Peduto, Mayor of Pittsburgh, PA
- Adrian O. Mapp, Mayor of Plainfield, NJ
- Kurt R. Metzger, Mayor of Pleasant Ridge, MI
- Ted Wheeler, Mayor of Portland, OR
- Mark Freda, Mayor of Princeton, NJ
- Jorge Elorza, Mayor of Providence, RI
- Cory Mason, Mayor of Racine, WI
- Hillary Schieve, Mayor of Reno, NV
- Tom Butt, Mayor of Richmond, CA
- Levar M. Stoney, Mayor of Richmond, VA
- Lovely A. Warren, Mayor of Rochester, NY
- Bryan K. Barnett, Mayor of Rochester Hills, MI
- Tom McNamara, Mayor of Rockford, IL
- Christine Dansereau, Mayor of Roselle, NJ
- Darrell Steinberg, Mayor of Sacramento, CA
- Erin J. Mendenhall, Mayor of Salt Lake City, UT
- Ron Nirenberg, Mayor of San Antonio, TX
- Todd Gloria, Mayor of San Diego, CA
- London Breed, Mayor of San Francisco, CA
- Sam Liccardo, Mayor of San Jose, CA
- Pauline Russo Cutter, Mayor of San Leandro, CA
- Heidi Harmon, Mayor of San Luis Obispo, CA
- Miguel Pulido, Mayor of Santa Ana, CA
- Alan Webber, Mayor of Santa Fe, NM
- Sue Himmelrich, Mayor of Santa Monica, CA
- Gary McCarthy, Mayor of Schenectady, NY
- Jenny Durkan, Mayor of Seattle, WA
- George Van Dusen, Mayor of Skokie, IL
- Joseph A. Curtatone, Mayor of Somerville, MA
- Pete Buttigieg, Mayor of South Bend, IN
- Ronald L. Filippelli, Mayor of State College, PA
- Lyda Krewson, Mayor of St. Louis, MO
- Melvin Carter, Mayor of St. Paul, MN
- David Martin, Mayor of Stamford, CT
- Michael Ryan, Mayor of Sunrise, FL
- Ben Walsh, Mayor of Syracuse, NY
- Victoria Woodards, Mayor of Tacoma, WA
- Reed Gusciora, Mayor of Trenton, NJ
- Regina Romero, Mayor of Tucson, AZ
- Allan Ekberg, Mayor of Tukwila, WA
- Brian Stack, Mayor of Union City, NJ
- Will Frohlich, Mayor of Victor, ID
- Muriel Bowser, Mayor of Washington, D.C.
- Lindsey P. Horvath, Mayor of West Hollywood, CA
- Daniel Corona, Mayor of West Wendover, NV
- Ben Holbert, Mayor of Woodmere, OH
- Mike Spano, Mayor of Yonkers, NY
- Michael Helfrich, Mayor of York, PA
- Alameda County, CA
- Arlington County, VA
- Baltimore County, MD, County Executive Kevin Kamenetz
- Coconino County, AZ
- Cook County, IL
- Dallas County, TX
- El Paso County, TX
- Jackson County, MO, County Executive Frank White Jr.
- King County, WA, County Executive Dow Constantine
- Los Angeles County, CA
- Marin County, CA
- Montgomery County, MD
- Prince George's County, MD
- Ramsey County, MN, County Commissioner Jim McDonough
- San Mateo County, CA
- Santa Clara County, CA
- Santa Cruz County, AZ, Board of Supervisors of Santa Cruz County
- Sonoma County, CA
- Travis County, TX, County Judge Sarah Eckhardt
- Washtenaw County, MI
- Yolo County, CA