ECC is a construction company that specializes in building and renovating commercial and industrial facilities. The company was founded in 1985 and is headquartered in Chicago, Illinois. ECC's services include design-build, construction management, general contracting, and preconstruction services. The company has completed projects in a variety of industries, including healthcare, education, government, and transportation. ECC is committed to sustainability and has completed several LEED-certified projects. The company has a strong safety record and has received numerous safety awards.