Alabama Aircraft Industries, Inc. engages in the provision of aircraft maintenance and modification services. The company is headquartered in Birmingham, Alabama. The Company’s primary business is providing aircraft maintenance and modification services to the United States Government, including complete airframe inspection, maintenance, repair and custom airframe design and modification. The firm provides aircraft maintenance and modification services for government and military customers specializing in providing programmed depot maintenance (PDM) on large transport aircraft. In addition to PDM, various other repair, maintenance, and modification services are performed for customers. The firm focuses on the maintenance and modification of military transport, tanker and patrol aircraft airframes, primarily for the United States military customers. On March 31, 2009, the Company sold its interest in Space Vector Corporation (SVC).