EXHIBIT 21.1

      The following table sets forth the Registrant’s principal subsidiaries and the jurisdiction of incorporation of each. Each subsidiary is 100% owned by the Registrant or its subsidiaries.

Subsidiary	Jurisdiction
Ansco & Associates, LLC		Delaware
Apex Digital, LLC		Delaware
Cablecom, LLC		Delaware
Cablecom of California, Inc.		California
Cable Connectors, LLC		Delaware
Can-Am Communications, Inc.		Delaware
C-2 Utility Contractors, LLC		Delaware
Communications Construction Group, LLC		Delaware
Communications Construction Group of California, Inc.		California
Crystal Clear Satellite Sales & Service, LLC		Delaware
Dycom Aviation, LLC		Delaware
Dycom Capital Management, Inc.		Delaware
Dycom Corporate Identity, Inc.		Delaware
Dycom Identity, LLC		Delaware
Dycom Investments, Inc.		Delaware
Ervin Cable Construction, LLC		Delaware
Fiber Cable, LLC		Delaware
Globe Communications, LLC		North  Carolina
Installation Technicians, LLC		Florida
Ivy H. Smith Company, LLC		Delaware
Lamberts Cable Splicing Company, LLC		Delaware
Locating, Inc.		Washington
Nichols Construction, LLC		Delaware
Niels Fugal Sons Company, LLC		Delaware
Niels Fugal Sons Company of California, Inc.		California
Point to Point Communications, Inc.		Louisiana
Precision Valley Communications of Vermont, LLC		Delaware
RJE Telecom, LLC		Delaware
RJE Telecom of California, Inc.		California
Satellite Sales & Services Group, LLC		Delaware
Schenck Communications, LP		Alaska
Star Construction, LLC		Delaware
Stevens Communications, LLC		Delaware
S.T.S., LLC		Tennessee
TCS Communications, LLC		Delaware
Tesinc Communications, LLC		Delaware
Tesinc of California, Inc.		California
Triple-D Communications, LLC		Delaware
UGTI		California
Underground Specialties, LLC		Delaware
Underground Specialties of California, Inc.		California
US Communications Contractors, LLC		Delaware
US Communications Contractors, Inc.		California
Utiliquest, LLC		Georgia
White Mountain Cable Construction, LLC		Delaware