TransDigm Group Incorporated (TD Group), through its wholly owned subsidiary, TransDigm Inc. (TransDigm), is a global designer, producer and supplier of engineered aircraft components for use on all commercial and military aircraft. On September 26, 2008, TransDigm, through its wholly owned Champion Aerospace, LLC subsidiary, acquired the magneto and harness product line business of Unison Industries, LLC (Unison). The acquired product line includes the SLICK magnetos, harnesses and components, which are used on general aviation piston aircraft. On May 7, 2008, TransDigm acquired CEF Industries, Inc. (CEF). CEF is a designer and manufacturer of specialized and highly engineered actuators, compressors, pumps and related components for the aerospace market. In July 2009, the Company acquired Acme Aerospace business from Actuant Corporation.