Sunday, November 8, 2026
TGOs

The business of defense

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Company

Clark Construction Group, LLC

Clark is one of the largest building and infrastructure companies in the United States, with work spanning every major building market plus power, transit, water and roadways. ↗

HeadquartersMcLean, VA ↗
FoundedGeorge Hyman ↗
LeadershipRobert D. Moser Jr., CEO ↗
Employees5,100+ ↗
Department of War obligations$2.7 billion in prime contracts since fiscal 2022 ↗
OwnershipPrivate, management-owned ↗

Customers

  • Clark has built for the U.S. Army Corps of Engineers, including Brooke Army Medical Center (1995) and William Beaumont Army Medical Center (2019). ↗
  • Clark has built for the Washington Metropolitan Area Transportation Authority, including Dupont Circle Station (1976) and the Blue and Orange Line Rehabilitation (2017). ↗

Acquisitions

  • Clark acquired Shirley Contracting Company, a heavy highway and civil contractor, in 1993. ↗
  • Clark acquired Guy F. Atkinson Construction, a heavy civil contractor founded in 1926, in 1998. ↗

More

  • Clark's annual revenue is more than $7 billion. ↗