EX-21.1 6 h13605exv21w1.txt SUBSIDIARIES . . . EXHIBIT 21.1
STATE OF SUBSIDIARY INCORPORATION ---------- ------------- Advanced Technologies and Installation Washington Corporation Airlan Telecom Services, L.P. Texas Allteck Line Contractors (USA), Inc. Washington Allteck Line Contractors, Inc. British Columbia Arby Construction, Inc. Delaware Austin Trencher, Inc. Delaware Bradford Brothers, Inc. North Carolina CCLC, Inc. Delaware Coast to Coast, LLC California Communication Manpower, Inc. Florida Conti Communications, Inc. Delaware Croce Electric Company, Inc. Delaware Crown Fiber Communications, Inc. Virginia Choice Optics Communications DeltaComm Fiber Technology Marlboro Cablevision World Fiber Digco Utility Construction, L.P. Texas Dillard Smith Construction Company Delaware Driftwood Electrical Contractors, Inc. Delaware Maddux Communications Environmental Professional Associates, Limited California Provco Five Points Construction Co. Texas Global Enercom Management, Inc. Delaware Golden State Utility Co. Delaware H.L. Chapman Pipeline Construction, Inc. Delaware DB Utilities Intermountain Electric, Inc. Colorado Grand Electric Irby Construction Company Mississippi Lindsey Electric, L.P. Texas Manuel Bros., Inc. Delaware Renaissance Construction Western Directional Mears Canada Corp. Nova Scotia Mears Engineering, LLC Michigan Mears Group, Inc. Delaware Mears Services, LLC Michigan Mears/CPG, LLC Michigan
STATE OF SUBSIDIARY INCORPORATION ---------- ------------- Mears/HDD, LLC Michigan Mearsmex de R.L. de C.V. Mexico Mejia Personnel Services, Inc. Texas Metro Underground Services, Inc. Illinois Mustang Line Contractors, Inc. Washington Network Electric Company Delaware North Houston Pole Line, L.P. Delaware North Houston Pole Line Corp. North Pacific Construction Co., Inc. Texas North Sky Communications, Inc. Delaware Northern Line Layers, LLC Delaware Okay Construction Company, LLC Delaware P.D.G. Electric Co. Florida PAR Electrical Contractors, Inc. Missouri Harker & Harker Par Infrared Consultants Riggin & Diggin Line Construction Union Power Construction Company Par Internacional, S. de R.L. de C.V. Mexico Parkside Site and Utility Company Corporation Delaware Parkside Utility Construction Corp. Delaware Potelco, Inc. Washington Kingston Constructors Kingston Constructors DBA Talking Signs Services Kuenzi Construction NorAm Telecommunications Professional Teleconcepts, Inc. Illinois Professional Teleconcepts, Inc. New York PWR Financial Company Delaware PWR Network, LLC Delaware Q Resources, LLC Delaware QDE LLC Delaware QPC, Inc. Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Delaware, Inc. Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings, Inc. Delaware Quanta LIV Acquisition, Inc. Delaware Quanta LIX Acquisition, Inc. Delaware Quanta LVII Acquisition, Inc. Delaware Quanta LVIII Acquisition, Inc. Delaware Quanta LX Acquisition, Inc. Delaware Quanta LXI Acquisition, Inc. Delaware Quanta LXII Acquisition, Inc. Delaware Quanta LXIII Acquisition, Inc. Delaware Quanta LXIV Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXV Acquisition, Inc. Delaware Quanta LXVI Acquisition, Inc. Delaware
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STATE OF SUBSIDIARY INCORPORATION ---------- ------------- Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Management Partnership, L.P. Texas Quanta Services of Canada Ltd. British Columbia Quanta Utility Installation Co., Inc. Delaware R.A. Waffensmith & Co., Inc. Delaware S.K.S. Pipeliners, LLC Delaware Servicios Par Electric, S. de R.L. de C.V. Mexico Southeast Pipeline Construction, Inc. Delaware Southwestern Communications, Inc. Delaware NetCom Management Group, Inc. TVS Systems Spalj Construction Company Delaware Dot 05 Optical Communications Span-Con of Deerwood Tjader & Highstrom Wilson Roadbores Sumter Utilities, Inc. Delaware The Ryan Company, Inc. Massachusetts Eastern Communications Tjader, L.L.C. Delaware TNS-VA, LLC Delaware Tom Allen Construction Company Delaware Total Quality Management Services, LLC Delaware Trans Tech Acquisition, Inc. Texas Trans Tech Electric, L.P. Texas Trawick Construction Co. Florida TTGP, Inc. Delaware TTLP, Inc. Delaware TTM, Inc. North Carolina TXLP, Inc. Delaware Underground Construction Co., Inc. Delaware VCI Telcom, Inc. Delaware W.C. Communications, Inc. Delaware W.H.O.M. Corporation California
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