David Martin

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.

BDO USA LLP operates as an accounting, auditing, and bookkeeping firm. It offers advisory; audit and assurance; digital; and tax services. The company was founded by Maximillian L. Seidman in 1910 and is headquartered in New York, NY.

Aegion Corp. engages in the provision of infrastructure protection, maintenance, and rehabilitation. It operates through the following segments: Infrastructure Solutions, Corrosion Protection and Energy Services. The Infrastructure Solutions segment focuses on the municipal water and wastewater pipeline sector. The Corrosion Protection segment captures the benefits of continued oil and natural gas pipeline infrastructure developments. It also protects, maintain, rehabilitate, assess, and monitor pipelines from the effects of corrosion. The Energy Services segment gives value proposition based safety and labor productivity programs, which allow cost-effective construction, maintenance, turnaround, and specialty services. The company was founded in 1971 and is headquartered in Chesterfield, MO.

Corrpro Companies, Inc. provides cathodic protection systems and engineering services. Its products include anodes, backfill, cable, coatings, adhesives and tapes. The company was founded in 1984 and is headquartered in Houston, TX.