Ducommun Incorporated (Ducommun), through its subsidiaries, designs, engineers and manufactures aerostructure and electromechanical components and subassemblies, and provides engineering, technical and program management services principally for the aerospace industry. The components, assemblies and services are provided principally for domestic and foreign commercial and military aircraft, helicopter, missile and space programs. Ducommun operates in two business segments: Ducommun AeroStructures, Inc. (DAS), which engineers and manufactures aerospace structural components and subassemblies, and Ducommun Technologies, Inc. (DTI), which designs, engineers and manufactures electromechanical components and subassemblies, and provides engineering, technical and program management services (including design, development, integration and test of prototype products) principally for the aerospace and military markets. In June 2011, it acquired LaBarge, Inc.