Trenchline Inc.
P.O. Box 386
Mount Airy, MD 21771
Contact: Brad Winkler
Phone: (410) 795-2049 		Established: 1973
Sector: Public and Private
Project Size: Up to $500,000
Labor Affiliation: Union and Nonunion
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Geographic Areas Serviced
  • Maryland, Washington, D.C., Virginia, Delaware, Pennsylvania
Contact Us
Brad Winkler
Phone: (410) 795-2049
Fax: (800) 968-9502


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