Gregg Tiemann

Insituform Technologies LLC provides cured-in place pipe, other technologies, and services for the rehabilitation of water and wastewater pipeline systems. It offers solutions to remediate operational, health, regulatory, and environmental problems resulting from aging and defective pipelines. The company was founded in 1971 and is headquartered in Chesterfield, MO.

The Brock Group, Inc. provides engineering and maintenance services. The firm offers scaffolding and work access, insulation, coatings and linings, fireproofing, and general facility maintenance. The firm's solutions include capital projects, bundled solutions, skilled craft maintenance and turnarounds. The company was founded in 1947 and is headquartered in Houston, TX.

Global X-Ray & Testing Corp. provides non-destructive testing and evaluation services. Its services include automated ultrasonics, internal pipeline crawlers, portable X-Ray betatron, radiographic, ultrasonic , magnetic particle, and Dye-Penetrant Testing, OpenVision™ LT – NDT, Nortec 500 and GE inspection technologies. The company was founded in 1964 and is headquartered in Morgan City, LA.

Integrated Water Services, Inc. is a private company that was founded in 2003 and specializes in providing turn-key water and wastewater treatment solutions. The company is based in Longmont, CO and has subsidiaries in the United States. The company has extensive domain expertise in design-build, construction management at risk (CMAR), and value-engineered solutions. IWS provides comprehensive water and wastewater treatment solutions by modernizing treatment plants, installing decentralized modular MBR treatment plants, designing and building new plants for industrial and municipal customers, and integrating advanced digital technologies into plant systems. The company is committed to developing state-of-the-art drinking water, wastewater, and water reuse plant infrastructure and ensuring that their clients receive the highest quality services and support. The CEO of the company is Alexander J. Buehler.

EMS Energy Solutions LLC engages in the provision of pipeline and facility maintenance services. It offers pipeline construction, civil construction, fabrication, and tank coatings. The company is headquartered in Houston, TX.