ATSG Corporation is a VA certified, Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in Fairfax, Virginia ... . We are a prime contractor at the US Department of State, Department of Defense, Department of Justice and hold several GSA procurement vehicles. Our commitment to excellence is based on years of experience in technology, program support and project management. ATSG's staff of dedicated and talented employees are committed to delivering the highest quality service to our customers. read more