Based in St. Louis, MO, Subsurface Constructors is a full-service contractor that excels in geotechnical construction projects. With a team of skilled geotechnical engineers, project managers, and tradesmen, the company offers a wide range of services. Their expertise and unique fleet of vibro rigs give them a competitive edge in stone column and aggregate pier projects across the United States. Additionally, Subsurface Constructors is certified as a Veteran-Owned Small Business, making them well-prepared for federal government contracts.