Maine Principals Association
National Federation of State High School Associations
Western Maine Board of Baseball Umpires
Central Maine Board of Approved Baseball Umpires
Midcoast Umpire Association
Eastern Maine Baseball Umpires Association
United College Umpires
CBUAO
Babe Ruth Baseball
Little League Baseball
SMUA Guidelines for Umpire Equipment & Uniforms (PDF)
Ump-Attire
Blow Your Whistles
Purchase Officials
Honig's Whistle Stop
Gerry Davis Sports
