101 Angelica St
St. Louis MO 63147-3404 USA
        FAX Telephone +1 (314) 421-2479 +1 (314) 421-2460

DFI Corporate Representatives:
W. Lyle Simonton P.E. Director of Business Development +1 (314) 421-2460
Jeff Morgan COO +1 (314) 421-2460

Individual Corporate Members:
Kurt Amidon P.E. Business Development Manager - NE Region +1 (978) 746-0482
Bill Faherty Eng. Project Manager +1 (314) 421-2460
Ken Otten Project Engineer +1 (314) 421-2460

Services, Materials and/or Equipment offered:
Subsurface Constructors offers a comprehensive list of services for deep foundation and ground improvement solutions, including design/build and site investigation capabilities. They are a full service geotechnical contractor and ground improvement specialists with over 100 years of experience in the deep foundation industry. Their foundation construction and engineering expertise, combined with a large and varied fleet of equipment, allow them to provide the following foundation services: Foundation support: Site Investigation, Earth Retention Systems, Drilled Shafts, Augercast (CFA) Piles, Driven Pile, Rock Anchor Systems, Micropile and Restricted Access. Ground Improvement: Vibro Stone Columns, Vibro Concrete Columns, Vibrocompaction, Dynamic Compaction and Rapid Impact Compaction.