Antelope Valley Model Railroad Club

HO - Lancaster

Belmont Shores Model Railroad Club

N - San Pedro

California Southern Model Railroad Club

HO - Norwalk

Glendale Model Railroad Club

HO - Glendale

Highland Pacific Model Railroad Club

HO - Highland Park

Los Angeles Model Railroad Society

HO - Hawthorne

Orange County Model Engineers

7.5" Gauge - Costa Mesa

Pasadena Model Railroad Club Inc.

HO - Los Angeles

Pomona Valley Model Railroad Club

HO - Pomona

San Diego Model Railroad Museum

N, HO & O Clubs - Balboa Park San Diego

Santa Susanna Model Railroad Club

HO - Simi Valley

Los Angeles Live Steamers Railroad Museum

Griffith Park Los Angeles

Southern California Live Steamers

7.5" Gauge - Torrance - Wilson Park

20's and 30's HO Modular RR Club

HO Los Angeles Area