Jack J. Gilbraith

Remedial Construction Services, L.P offers environmental and geotechnical remedial services. Its services include environmental remediation, geotechnical construction, and civil construction contractor. The firm specializes in the construction of underground barriers such as slurry cutoff walls, slurry diaphragm walls, soil mixing and deep soil mixing, secant walls and jet grouting. The company was founded by Steven R. Birdwell in 1989 and is headquartered in Houston, TX.

Envirocon, Inc. provides environmental remediation, demolition, geotechnical, and water-related services to public and private sector clients. Its services include ecological restoration and decommissioning & demolition. The company was founded in 1988 and is headquartered in Missoula, MT.