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 |
| Delaware | |
| Ansco & Associates, LLC | Delaware |
| Broadband Express, LLC | Delaware |
| C-2 Utility Contractors of California, Inc. | Delaware |
| C-2 Utility Contractors, LLC | Delaware |
| Cable Connectors, LLC | Delaware |
| CableCom of California, Inc. | Delaware |
| CableCom, LLC | Delaware |
| Can-Am Communications, Inc. | Delaware |
| Cavo Broadband Communications, LLC | Delaware |
| CertusView Technologies, LLC | Delaware |
| Communication Services, LLC | North Carolina |
| Communications Construction Group of California, Inc. | Delaware |
| Communications Construction Group, 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 |
| Globe Communications, LLC | North Carolina |
| Ivy H. Smith Company, LLC | Delaware |
| Lambert’s Cable Splicing Company, LLC | Delaware |
| Locating, Inc. | Washington |
| Midtown Express, LLC | Delaware |
| NeoCom Solutions, Inc. | Georgia |
| Nichols Construction, LLC | Delaware |
| Niels Fugal Sons Company of California, Inc. | Delaware |
| Niels Fugal Sons Company, LLC | Delaware |
| Point to Point Communications, Inc. | Louisiana |
| Precision Valley Communications of Vermont, LLC | Delaware |
| Prince Telecom, LLC | Delaware |
| RJE Telecom of California, Inc. | Delaware |
| RJE Telecom, LLC | Delaware |
| S.T.S., LLC | Tennessee |
| Star Construction, LLC | Delaware |
| Stevens Communications, LLC | Delaware |
| TCS Communications, LLC | Delaware |
| Tesinc of California, Inc. | Delaware |
| Tesinc, LLC | Delaware |
| Triple-D Communications, LLC | Delaware |
| UtiliQuest, LLC | Georgia |
| White Mountain Cable Construction, LLC | Delaware |