Exhibit 21.1
QUANTA SERVICES, INC. — SUBSIDIARIES LIST
The following is a list of the significant subsidiaries of Quanta Services, Inc. showing the place of incorporation or organization and the names under which each subsidiary does business. The names of certain subsidiaries are omitted as such subsidiaries, considered as a single subsidiary, would not constitute a significant subsidiary.
Subsidiary/Doing Business As | State of Incorporation/Organization | |
Advanced Technologies and Installation Corporation | Washington | |
Telecom Network Specialist | ||
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 | |
CMI Services, Inc. | Florida | |
Conti Communications, Inc. | Delaware | |
DE Conti Communications, Inc. | ||
Croce Electric Company, Inc. | Delaware | |
Digco Utility Construction, L.P. | Texas | |
Brown Engineering | ||
Ranger Field Services | ||
Dillard Smith Construction Company | Delaware | |
Driftwood Electrical Contractors, Inc. | Delaware | |
Maddux Communications | ||
Environmental Professional Associates, Limited | California | |
Provco | ||
Fiber Technologies, Inc. | Virginia | |
Myers Cable, Inc. | ||
World Fiber | ||
Five Points Construction Co. | Texas | |
Global Enercom Management, Inc. | Delaware | |
Golden State Utility Co. | Delaware | |
H.L. Chapman Pipeline Construction, Inc. | Delaware | |
DB Utilities | ||
Sullivan Welding | ||
Intermountain Electric, Inc. | Colorado | |
Colorado IM Electric | ||
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 | |
Mears/HDD LLC | Michigan | |
Mearsmex S. de R.L. de C.V. | Mexico | |
Mejia Personnel Services, Inc. | Texas | |
Metro Underground Services, Inc. of Illinois | Illinois | |
Network Electric Company | Delaware | |
DE Network Electric Company | ||
North Houston Pole Line, L.P. | Delaware | |
North Houston Pole Line Corp. | ||
North Sky Communications, Inc. | Delaware | |
Sky Communications | ||
Okay Construction Company, LLC | Delaware | |
PAR Electrical Contractors, Inc. | Missouri |
Subsidiary/Doing Business As | State of Incorporation/Organization | |
Par Infrared Consultants | ||
Riggin & Diggin Line Construction | ||
Par Internacional, S. de R.L. de C.V. | Mexico | |
Parkside Site & Utility Company Corporation | Delaware | |
Parkside Utility Construction Corp. | Delaware | |
Potelco, Inc. | Washington | |
Kingston Constructors DBA Talking Sign | ||
Services | ||
Kuenzi Constructors | ||
Potelco Incorporated | ||
Professional Teleconcepts, Inc. | Illinois | |
JT Communications | ||
Professional Teleconcepts, Inc. | New York | |
PWR Financial Company | Delaware | |
PWR Network, 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 International Limited | British Virgin Islands | |
Quanta Receivables, L.P. | Delaware | |
Quanta Services Contracting, Inc. | Delaware | |
Quanta Services Management Partnership, L.P. | Texas | |
Quanta Services of Canada Ltd. | British Columbia | |
Quanta Underground Services, Inc. | Delaware | |
Quanta Utility Installation Co., Inc. | Delaware | |
Quanta Utility Services, LLC | Delaware | |
Quanta Utility Services – Gulf States, Inc. | Delaware | |
Quanta Wireless Solutions, 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 | |
Southwest Trenching Company, Inc. | Texas | |
Spalj Construction Company | Delaware | |
Delaware Spalj Construction Company | ||
Smith Contracting | ||
Span-Con of Deerwood | ||
Tjader & Highstrom | ||
Throstad Brother Tiling | ||
Wilson Roadbores | ||
Sumter Utilities, Inc. | Delaware | |
Sumter Builders Construction Contracting | ||
The Ryan Company, Inc. | Massachusetts | |
Eastern Communications | ||
The Ryan Company Inc. of Massachusetts | ||
The Ryan Company of Massachusetts | ||
The Ryan Company Incorporated of | ||
Massachusetts | ||
The Ryan Company, Incorporated Electrical | ||
Contractors | ||
Ryan Company Inc. (The) | ||
Tjader, L.L.C. | Delaware | |
TNS-VA, LLC | Delaware | |
Tom Allen Construction Company | Delaware | |
TA Construction | ||
Total Quality Management Services, LLC | Delaware | |
Trans Tech Electric, L.P. | Texas |
Subsidiary/Doing Business As | State of Incorporation/Organization | |
Trans Tech Electric, Limited Partnership | ||
Trawick Construction Co. | Florida | |
TTGP, Inc. | Delaware | |
TTLP, Inc. | Delaware | |
TTM, Inc. | North Carolina | |
Underground Construction Co., Inc. | Delaware | |
Delaware Underground Construction Co. | ||
Maryland Underground Construction Co., Inc. | ||
Underground Construction Co., Inc. (Delaware) | ||
Utility Line Management Services, Inc. | Delaware | |
VCI Telcom, Inc. | Delaware | |
W.C. Communications, Inc. | Delaware | |
West Coast Communications |