Assembler The assembler will assemble aerospace sheet metal products by working at a bench and on the manufacturing floor. Who are we? Founded in 1849, Ducommun is the oldest company in California. Starting as a hardware supply store during the California Gold Rush and eventually assisted in the birth of the aerospace industry in Southern California by providing aircraft aluminum to early aerospace pioneers like Lindbergh, Douglas and Lockheed. Today Ducommun is a global provider of innovative m