342, South Broadway and 140, South Main Street, Los Angeles
The L. A. Badge & Mfg. of Los Angeles, Cal. are now manufacturing buttons, badges and medals of all kinds for the advertising and society trades. They are carrying on electroplating in connection with their work. The factory is located at 342 South Broadway and the office at 140 South Main St.
Source: The Brass World and Platers' Guide - September 1909