One of the leading providers of contracting and design services in the Southwest, Standard Constructors is headquartered in Houston. The company has been operational for more than 75 years. A heavy civil specialist, it deals in petrochemical, industrial and commercial contracting services. Standard Constructors builds and renovates bridges, highways, railways, walkways, fabrication shops, warehouses, and conference rooms. The company also constructs concrete tilt walls, office and laboratory expansions, firehouses, culverts, French drain systems, sheet piling, drop structures, and ponds and liners. Additionally, it builds inlets and manholes, filter systems, retention canals, storm and oily water sewers, precast boxes, slope pavings, ditches, and dumpsite cleanups.