Contech Engineered Solutions LLC is a civil engineering site solutions products and services company. The company provides site solutions for the civil engineering industry, including bridges, drainage, erosion control, retaining walls, sanitary sewer, and stormwater management. Contech Engineered Solutions LLC was founded in 1986 and is headquartered in West Chester, Ohio. The company has manufacturing facilities and offices throughout the United States and Canada. Contech Engineered Solutions LLC is a subsidiary of Quikrete Holdings, Inc.