National Federation of High Schools (NFHS)
The governing body for high school baseball in most states, including California. Provides instructional materials and rule interpretations.
National Association of Sports Officials (NASO)
NASO is the only national organization solely dedicated to officiating with membership at all levels of sport. From the National Football League to Pop Warner, from Major League Baseball to Little League of America, from the National Basketball Association to youth and recreational programs across America, NASO is there. Over 19,00 officials worldwide belong to NASO.
Other San Gabriel Valley Officials Associations
Other Southern California Umpires Associations
Based out of Ann Arbor, MI, Honigs Whistle Stop was started by Big 10 Official Dick Honig in 1984. Honigs has eight locations across the United States and Canada, including locally at 9122 Norwalk Blvd, Santa Fe Springs, CA.