Subsurface Constructors, Inc.
Subsurface Constructors is a full-service geotechnical contractor offering a comprehensive list of services for deep foundation, earth retention and ground improvement solutions. With over 115 years of experience in the deep foundation industry and a team of geotechnical engineers, Subsurface helps develop foundation solutions in soft soils, often through the design/installation of aggregate pier or rigid inclusion ground improvement. Subsurface Constructors is headquartered in St. Louis, but works nationwide and has regional offices in Philadelphia, Pittsburgh, and Minneapolis.