Clark Construction
Clark Construction is one of the largest building and infrastructure companies in the United States, with roots dating to 1906.
Last updated September 11, 2026
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Overview
Clark Construction is one of the largest building and infrastructure companies in the United States. Its roots trace back to 1906, when George Hyman founded the George Hyman Construction Company, a small excavating enterprise. A. James Clark, the company's namesake, led its evolution into a national contractor, and in 1996 the George Hyman Construction Company merged with affiliate Omni Construction to become Clark Construction. The company reports 5,100+ employees and $7B+ annual revenue, and describes a portfolio spanning public and private building markets as well as infrastructure such as power, transit, water, and roadways.
History
Clark Construction's roots trace back to 1906, when George Hyman founded a small excavating enterprise, the George Hyman Construction Company. Hyman was the first in Washington, DC to use a steam shovel. A. James Clark, the company's namesake, led the company's evolution into a preeminent national contractor. Under his leadership, in 1996, the George Hyman Construction Company merged with affiliate Omni Construction to become Clark Construction. Clark began building an extensive portfolio of self-performed trades in the 1960s, many of which spun off into specialized entities. L'Enfant Plaza served as a turning point; by self-performing sheeting, shoring, and underpinning, the team completed the project ahead of schedule, leading to the formation of Clark's first self-perform entity, Clark Foundations. Shirley Contracting Company, founded in the 1970s as a heavy highway company, was acquired in 1993.
Recent events
Clark and EY form SPP alumni partnership[5]
Reported:
Clark announced a newly formed partnership with EY's Entrepreneur Access Network to provide advanced education and mentoring opportunities for SPP alumni.
Clark launches SPP ENCORE[5]
Reported:
Clark Construction launched SPP ENCORE, a continuing education program for alumni of its Strategic Partnership Program.
Sources5 sources
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