Alabama: Walt Maddox
Alaska: Mark Begich
Arizona: David Garcia
Arkansas: Jared Henderson
California: None
Colorado: Jared Polis
Connecticut: Ned Lamont
Florida: Andrew Gillum
Georgia: Stacey Abrams
Hawaii: Colleen Hanabusa
Idaho: Paulette Jordan
Illinois: None
Iowa: Fred Hubbell
Kansas: Laura Kelly
Maine: Terry Hayes
Maryland: Larry Hogan
Massachusetts: Charlie Baker
Michigan: Gretchen Whitmer
Minnesota: Tim Walz
Nebraska: Bob Krist
Nevada: Steve Sisolak
New Hampshire: Steve Marchand
New Mexico: Michelle Grisham
New York: Cynthia Nixon
Ohio: Richard Cordray
Oklahoma: Drew Edmondson
Oregon: Knute Buehler
Pennsylvania: Tom Wolf
Rhode Island: Matt Brown
South Carolina: James Smith
South Dakota: Billie Sutton
Tennessee: Karl Dean
Texas: Lupe Valdez
Vermont: Phil Scott
Wisconsin: Tony Evers
Wyoming: Mary Throne
Updated to reflect Florida primary, and changed my Maryland endorsement.
I'm assuming you forgot to update Hawaii?