David D. Singleton

Layne Christensen Co. operates as a water management, construction, and drilling company. It provides water management solutions for government agencies, commercial water suppliers, industrial facilities, and energy companies. The firm also offers specialized construction solutions for the management of water in any industry or environment. It defines the source, depth, magnitude, and overall feasibility of water aquifers, and drill high-volume wells suitable for supplying water to government agencies, industrial, and agricultural customers. The company was founded by Mahlon E. Layne in 1882 and is headquartered in Woodlands, TX.

Griffin Dewatering Corp. provides groundwater control solutions. It services include construction dewatering, groundwater treatment and filtration, groundwater modelling, and aquifer testing. The company was founded in 1934 and is headquartered in Houston, TX.

Part of Griffin Dewatering Corp., Griffin Dewatering LLC is a company that specializes in designing and engineering dewatering systems for a variety of applications such as sewage bypass, wellpoint, and sumping. Based in Houston, TX, the company was founded in 1934 and the CEO is David D. Singleton. The company is also experts in construction dewatering and groundwater treatment. The company offers a complete line of accessories for all wellpoint and dewatering needs. Griffin Dewatering is committed to helping their clients control their risk associated with construction dewatering, water treatment, and groundwater control.