About SEMA Construction
Founded in 1991 in Centennial, Colorado, SEMA Construction, Inc. is a full-service contractor specializing in heavy construction and civil infrastructure. SEMA has four district offices across the country and employs more than 800 team members. SEMA operates in the following market sectors: heavy rail, highways and Roadways; bridges and structures; dams and reservoirs; airports; underground utilities; water storage and treatment; industrial and mining; and precast concrete. Consistently ranked as one of the Nation’s top contractors, SEMA is a leader in alternate delivery contracting and has completed more than $1 billion in heavy civil projects since its inception.