Contact Us



Offices serving each region:

  • Corporate HQ Office
  • New England Region Office
  • Mid-Atlantic Region Office
  • North Central Region Office
  • Great Lakes Region Office

Corporate Headquarters

Contact: Lyle Simonton, PE – Director of Business Development
101 Angelica Street
St. Louis, MO 63147
Toll free: (866) 421-2460
Fax: 314-421-2479
Email: lsimonton@subsurfaceconstructors.com

New England Region

Contact: Lyle Simonton, PE – Director of Business Development
CT, MA, VT, RI, NH, ME
Phone: (314) 568-3827
Email: lsimonton@subsurfaceconstructors.com

North Central Region

Contact: Gary Hahn, PE – Region Manager
WI, MN, IA, NE, SD, ND, ID, WY, MT
120 Broadway Avenue South Suite #100
Wayzata, MN 55391
Phone: (612) 280-8940
Email: gary.hahn@subsurfaceconstructors.com

Great Lakes Region

Contact: Lyle Simonton, PE – Director of Business Development
IN, KY, OH, MI
Phone: (314) 568-3827
Email: lsimonton@subsurfaceconstructors.com

Mid-Atlantic Region

Contact: Bryan Shive – Region Manager
VA, WV, MD, DC, PA, DE, NJ, NY
3700 O’Donnell St. Suite 200
Baltimore, MD 21224
Phone: (410) 568-5261
Email: bryan.shive@subsurfaceconstructors.com

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