Contact Us

Subsurface Constructors
Corporate Headquarters

Contact: Lyle Simonton, PE – Director of Business Development
101 Angelica Street
St. Louis, Missouri 63147
toll free: 866-421-2460
fax: 314-421-2479

Subsurface Constructors
Northeast Region

Contact: Kurt Amidon, PE – Business Development Manager
515 Groton Rd.
Suite 202
Westford, Massachusetts 01886
phone: 978-850-4193

Subsurface Constructors
North Central Region

Contact: Gary Hahn, PE – Business Development Manager
1650 West End Blvd. Suite 100
St. Louis Park, MN 55416
phone: (763) 259-5780

Subsurface Constructors
Great Lakes Region

Contact: Nick Zadd, PE – Business Development Manager
1114 N. Court St. #146
Medina, OH 44256
phone: 440-570-8829

For more information on ground improvement or other services, please provide the following information.

First Name*

Last Name*

Address 1*

Address 2



Zip Code*

Email Address*

Company Name

Phone Number*

Fax Number