The Columbia Group Employee Directory
Defense and Space ManufacturingDistrict of Columbia, United States51-200 Employees
The Columbia Group provides a broad suite of services to the U.S. government, including program management, acquisition support, engineering, financial management, human performance strategy, information technology, logistics, medical logistics, and training. Headquartered in Washington, DC, with operations in Lawton, Oklahoma and regional offices in Virginia, the company serves multiple locations across the United States and supports all branches of the armed forces. Operating in the defense and space manufacturing sector, it delivers capabilities across a range of defense-related functions for federal clients. The firm employs a mid-sized workforce and emphasizes professional development, with opportunities for veterans, recent graduates, and cleared professionals. In 2026, George Hadjipetrou was appointed chief executive officer, following a leadership transition at the company.