J. Tomas Barrett

Hirschfeld Steel Group LP fabricates and supplies structural and miscellaneous steel. Its products are used by the transportation infrastructure, industrial development, commercial construction and power generation markets. The company was founded in 1991 and is headquartered in San Angelo, TX.

IMCO Recycling, Inc. recycles aluminum and zinc. The company was founded in 1988 and was headquartered in Irving, TX

CEMEX Corp. provides cement and construction material. It also sells concrete blocks and aggregates. The company also produces white cement. It operates in 30 countries and has commercial relations with over 60 countries worldwide. CEMEX Corp is headquartered in Houston, TX

IMCO Ltd. is a British company led by Simon Lamb, Andy Walker, and Chris Hirst. The location of the private company is also not provided.

Hirschfeld Steel Co., Inc. fabricates and supplies steel. It supplies structural steel for projects such as bridges, commercial structures, mass transit structures, and stadiums. The firm provides fabricating, engineering, delivering, designing, inspecting, painting, and sand blasting services. The company was founded in 1946 and is headquartered in San Angelo, TX.