John F. Kelly

Caliburn International LLC engages in the provision of professional services and solutions to U.S. federal government agencies and commercial clients. It offers consulting, engineering, medical, and environmental services. The company was founded in August 2018 and is headquartered in Reston, VA.

Sallyport Global Holdings, Inc. provides engineering and professional services. Its capabilities include rapid response and expeditionary facility construction, operations, maintenance and repair, life support, fire and emergency services, security and global risk management, procurement and logistics and environmental services. The company was founded in 2003 and is headquartered in McLean, VA.

The Spectrum Group Ltd., Inc. provides business and management consulting services. Its services include supporting client businesses, strategic growth, risk management and targeted opportunities, strategic partnerships and business development, and congressional and government relations. The company was founded by Gregory L. Sharp in 1993 and is headquartered in Alexandria, VA.

Michael Baker International LLC engages in the provision engineering and consulting services. It offers design, planning, architectural, environmental, construction, and program management. The company was founded by Michael Baker Jr. in 1940 and is headquartered in Pittsburgh, PA.