Local Union 831, Tradeshow and
Sign Crafts is a non-profit organization dedicated to advancing the standards of
Tradeshow Decorating & Installing, Exhibit Building, Sign
Production & Installing and Printing in Southern California.
Representing over 1800 Tradeshow
Installers, Exhibit Builders, Sign Industry & Printing Workers, Local Union 831
delivers better wages, better health and pension benefits, skills training,
and a voice in the workplace.