Roy Montgomery Glover

Rust Constructors, Inc. operates as a full-service merit shop construction and maintenance company. Its services include construction, construction management, and construction consulting; test-checkout-start-up services; and plant services including total plant maintenance, supplemental maintenance, shutdowns, turnarounds, small capital project support, production support, and technical support. The company was founded on April 3, 1979 and is headquartered in Birmingham, AL.

CB&I Group, Inc. engages in the provision of engineering, construction, technology, fabrication, remediation and support services. The company was founded by James M. Bernhard Jr. in 1986 and is headquartered in Houston, TX.