Subsidiary | Jurisdiction of Formation |
1 Diamond, LLC Cutting Technology - 1 Diamond, LLC | Delaware |
1Diamond AS | Norway |
618232 Alberta Ltd. | Alberta |
8246408 Canada Inc. G-TEK G-Vac | Quebec |
Advanced Electric Systems, LLC Advanced Utility Testing & Maintenance, LLC Utility Testing & Maintenance, LLC | Delaware |
Allteck Line Contractors, Inc | British Columbia |
Apprenticeship Programs, Inc. | Idaho |
Arcanum Chemicals, LLC Arcanum Raven (Infrastructure) Holding Company, LLC | Delaware |
Arnett & Burgess Oil Field Construction Limited | Alberta |
Arnett & Burgess Pipeliners (Rockies) LLC | Delaware |
Arnett & Burgess Pipeliners Ltd. | Alberta |
B&N Clearing and Environmental, LLC | Delaware |
Banister Pipelines Constructors Corp. | British Columbia |
Brent Woodward, Inc. | Oregon |
Brink Constructors, Inc. Brink Constructors, Inc. A Corporation Of South Dakota | South Dakota |
Canadian Utility Construction Corp. | Canada |
CAN-FER Utility Services, LLC | Delaware |
Cat-Spec, Ltd. Cat Spec, Ltd. CAT SPEC, LTD Cat Spec, Ltd. L.P. CAT-Spec Limited Partnership | Texas |
Citadel Industrial Services, Ltd. Citadel Industrial Services, L.P. Citadel Industrial Services, Ltd. Limited Partnership Citadel Industrial Services, Ltd., L.P. | Texas |
Clear Power Alaska Joint Venture, LLC | Delaware |
Coe Drilling Pty Ltd. | Victoria, Australia |
Conam Construction Co. | Texas |
Consolidated Power Projects Australia Pty Ltd | Adelaide, Australia |
Conti Communications, Inc. | Delaware |
Crux Subsurface Canada Ltd. | British Columbia |
Crux Subsurface, Inc. | Delaware |
Dacon Corporation | Delaware |
Subsidiary | Jurisdiction of Formation |
Dashiell Corporation Dacon Corporation Dashiell (DE) Corporation Dashiell Corporation DBA Dashiell (DE) Corporation | Delaware |
Digco Utility Construction, L.P. Digco Utility Construction Limited Partnership | Delaware |
DNR Pressure Welding Ltd. | Alberta |
Domino Highvoltage Supply Inc. | British Columbia |
Domino Highvoltage Supply, LLC | Delaware |
Dorado Specialty Services, Ltd. Dorado Specialty Services, L.P. Dorado Specialty Services, Ltd. Limited Partnership | Texas |
EHV Power ULC EHV Power ULC Corp. | British Columbia |
Elite Fabrication, Ltd. Elite Fabrication, LP | Texas |
Elite Piping & Civil, Ltd. Elite Piping & Civil Limited Partnership Elite Piping & Civil Ltd, L.P. Elite Piping & Civil, L.P. | Texas |
Elite Turnaround Specialists, Ltd. Elite Turnaround Specialists Limited Partnership Elite Turnaround Specialists Ltd. L.P. ELITE TURNAROUND SPECIALIST, LTD Elite Turnaround Specialists, Ltd. Limited Partnership | Texas |
Energy Consulting Group, LLC | Delaware |
Enscope Pty Ltd | Perth, Western Australia |
FIC GP, LLC | Delaware |
Field Personnel Services, LLC | Delaware |
First Infrastructure Capital Advisors, LLC | Delaware |
First Infrastructure Capital GP, L.P. | Delaware |
Five Points Construction Co. | Texas |
Grid Creative, Inc. | Idaho |
Grid Manufacturing Corporation | Idaho |
Grid Training Corporation Northwest Lineman College | Idaho |
H.L. Chapman Pipeline Construction, Inc. | Delaware |
Hargrave Power, Inc. Hargrave Power, Inc. | Delaware |
Haverfield International Incorporated | Delaware |
Heritage Midstream, LLC | Delaware |
Infraestructura ETP de Mexico, S. de R.L. de C.V | Mexico |
InfraSource Construction, LLC Infrasource Iowa Underground, LLC InfraSources Construction, LLC IUC ILLINOIS, LLC QS Mats Trans Tech Electric | Delaware |
InfraSource Field Services, LLC | Delaware |
InfraSource Installation, LLC | Delaware |
InfraSource Services, LLC | Delaware |
Integracion Tecnologica del Perú, SAC | Perú |
Subsidiary | Jurisdiction of Formation |
Intermountain Electric, Inc. Grand Electric IM Electric, Inc. Ime - Intermountain Electric, Inc. Intermountain Electric, Inc., which will do business in California as: Colorado IM Electric Intermountain Electric, Inc. A Corporation of Colorado | Colorado |
IonEarth, LLC | Michigan |
Irby Construction Company Irby Construction Company, Inc. | Mississippi |
Island Mechanical Corporation | Hawaii |
J.C.R. Construction Co., Inc. J.C.R. Utility Construction Co. | New Hampshire |
J.W. Didado Electric, LLC | Delaware |
JBT Electric, LLC | Texas |
JET Tank Service, LLC Quanta Tank Services | Oklahoma |
Lazy Q Ranch, LLC (De) Lazy Q Ranch, LLC DE Lazy Q Ranch, LLC | Delaware |
Lazy Q Training Center, LLC The Lazy Q Lineman School | Delaware |
Lex Engineering Ltd. | British Columbia |
Lindsey Electric, L.P. | Texas |
M. G. Dyess, Inc. | Mississippi |
M. J. Electric, LLC Great Lakes Line Builders Iron Mountain M.J. Electric, LLC M.J. Electric, LLC - Iron Mountain M.J. Electric, LLC DBA M. J. Electric Iron Mountain, LLC M. J. ELECTRIC, LLC IRON MOUNTAIN M.J. Electric, LLC Iron Mountain | Delaware |
Mears Canada Corp. | Nova Scotia |
Mears Equipment Services, LLC Infrasource of Pa, LLC QPS Global Services | Delaware |
Mears Group Pty Ltd | Victoria, Australia |
Mears Group, Inc. De Mears Group De Mears Group, Inc. Enscope Ranger Directional | Delaware |
Mears Integrity Pty Ltd | Victoria, Australia |
Mears Pipeline Pty Ltd. | Victoria, Australia |
Mearsmex S. de R.L. de C.V. | Mexico |
Mejia Personnel Services, Inc. | Texas |
Microline Technology Corporation | Michigan |
MJE LEE Joint Venture Agreement | Delaware |
MJE/ B&B Joint Venture Agreement | Michigan |
MJE/PDE Joint Venture | Delaware |
MTS Quanta, LLC Mercer Technical Services MTS Field Services MTS Field Services (Richmond Co) | Texas |
MTS Quanta, LLC | TX |
N.J. Construction Pty Ltd | Australia |
Subsidiary | Jurisdiction of Formation |
Nacap PNG Limited | Papua New Guinea |
Nacap Pty Ltd. | Victoria, Australia |
NLC CA., Inc. | Idaho |
NLC FL., Inc. Northwest Lineman Center | Idaho |
NLC ID., Inc. Northwest Lineman College | Idaho |
NLC TX., Inc. Northwest Lineman Center Northwest Lineman Training Center Northwest Lineman Training Center, Inc. | Idaho |
North Houston Pole Line, L.P. North Houston Pole Line Limited Partnership QUANTA FOUNDATION SERVICES | Texas |
Northern Powerline Constructors, Inc. Chatham Electric | Alaska |
NorthStar Energy Services, Inc. NC Northstar Energy Services, Inc Quanta Underground Services Quanta Underground Services (Culpeper Co) Quanta Underground Services (Spotsylvania Co) Quanta Underground Services, Inc. | North Carolina |
Northstar Sharp’s Foundation Specialists Ltd. | Alberta |
Nova Constructors LLC | Japan |
Nova Constructors LTD | United Kingdom |
Nova Equipment Leasing, LLC | Washington |
Nova Group, Inc. NGI Construction NGI Construction, Inc. NGI Construction, Inc. (FN) NGI Group, Inc. (CA) Nova Group, Inc. DBA NGI Construction | California |
Nova Group, Inc. - Probst Electric JV | California |
Nova NextGen Solutions, LLC | Delaware |
NPC Energy Services LLC | Alaska |
O. J. Pipelines Canada Corporation | New Brunswick |
O. J. Pipelines Canada Limited Partnership | Alberta |
One Call Locators Canada Ltd. | Canada |
PAR Electrical Contractors, Inc. Computapole Didado Utility Company, Inc. J.W. Didado Electric J.W. Didado Electric, Inc. Longfellow Drilling Riggin & Diggin Line Construction Seaward Seaward Corp Seaward Corporation | Missouri |
Par Internacional, S. de R.L. de C.V. | Mexico |
Performance Energy Services, L.L.C. | Louisiana |
Phasor Engineering Inc. | Alberta |
Phoenix North Constructors Inc. | British Columbia |
Phoenix Power Group, Inc. | Delaware |
Phoenix Power Group-Ferreira Construction Co. JV | Delaware |
Potelco, Inc. Potelco, Incorporated | Washington |
Power Delivery Program, Inc. | Idaho |
Subsidiary | Jurisdiction of Formation |
Price Gregory International, Inc. | Delaware |
Price Gregory Services, LLC | Delaware |
Probst Electric, Inc. Probst Construction, Inc. Utility Fleet Services | Utah |
QES GP, LLC | Delaware |
QGSI-USA Emergency Power, LLC | Delaware |
QP Energy Services, LLC | Delaware |
QPS Engineering LTD. Quanta Inspection Services Quanta Resource Development | Alberta |
QPS Engineering, LLC QPS Engineering PLLC QPS Environmental QPS Global QPS Global Services QPS Global Services (Richmond Ci) QPSE | Delaware |
QSI Engineering, Inc. | Delaware |
QSI Finance (Australia) Pty Ltd. | Victoria, Australia |
QSI Finance (Cayman) Pvt. Ltd. | Cayman Islands |
QSI Finance Canada ULC | British Columbia |
QSI Finance GP (US) LLC | Delaware |
QSI Finance I (US), LP | Delaware |
QSI Finance II (Australia) Pty Ltd. | Victoria, Australia |
QSI Finance II (Lux) S.à r.l | Luxembourg |
QSI Finance III (Canada) ULC | British Columbia |
QSI Finance III (Lux) SARL | Luxemburg |
QSI Finance IV (Canada) ULC | British Columbia |
QSI Finance IX (Canada) Limited Partnership | British Columbia |
QSI Finance V (US), L.P. | Delaware |
QSI Finance VI (Canada) ULC | British Columbia |
QSI Finance VII (Canada) Limited Partnership | British Columbia |
QSI Finance VIII (Canada) ULC | British Columbia |
QSI Finance X (Canada) ULC | British Columbia |
QSI, Inc. | Delaware |
QSN Lux Holdings I S.C.Sp. | Luxembourg |
QSN Lux Holdings I S.C.Sp. | Luxembourg |
QSN Lux Holdings III S.C.Sp. | Luxembourg |
QSN Lux Holdings IV S.C.Sp. | Luxembourg |
QTSL, LLC | Delaware |
Quanta APL GP Ltd. | British Columbia |
Quanta APL LP I Ltd. | British Columbia |
Quanta APL LP II Ltd. | British Columbia |
Quanta Asset Management LLC | Delaware |
Quanta Associates, L.P. | Texas |
Quanta Aviation Services, LLC | Delaware |
Quanta Canada GP ULC | British Columbia |
Quanta Canada Holdings II ULC | British Columbia |
Quanta Canada Holdings III Limited Partnership | British Columbia |
Quanta Canada Holdings LP | Alberta |
Quanta Canada III GP Ltd. | British Columbia |
Subsidiary | Jurisdiction of Formation |
Quanta Capital GP, LLC | Delaware |
Quanta Capital LP, L.P. | Delaware |
Quanta Capital Solutions, Inc. | Delaware |
Quanta Cares | Texas |
Quanta Electric Power Construction, LLC | Delaware |
Quanta Electric Power Services, LLC | Delaware |
Quanta Energized Innovations Ltd. | British Columbia |
Quanta Energized Services of Canada Ltd. | British Columbia |
Quanta Energized Services U.S., LLC | Delaware |
Quanta Energy Services, LLC | Delaware |
Quanta Equipment Company, LLC | Delaware |
Quanta Government Solutions, Inc. | Delaware |
Quanta Infrastructure Services, LLC | Delaware |
Quanta Infrastructure Services, S. de R.L. de C.V. | Mexico |
Quanta Inline Devices, LLC | Texas |
Quanta Insurance Company, Inc. | Texas |
Quanta International Holdings II, Ltd. | British Virgin Islands |
Quanta International Holdings III, Ltd. | British Virgin Islands |
Quanta International Holdings, Ltd. | British Virgin Islands |
Quanta International Limited | British Virgin Islands |
Quanta Kingsvale LP Ltd. | British Columbia |
Quanta Marine Services, LLC | Delaware |
Quanta Middle East, LLC | Qatar |
Quanta Pipeline Services, Inc. QPS Flint Construction QPS Flint Tank Services QPS Professional Services Quanta Environmental Solutions Quanta EPC Services Quanta Tank Services | Delaware |
Quanta Power Australia Pty Ltd | Australia |
Quanta Power Generation, Inc. | Delaware |
Quanta Power Solutions India Private Limited | New Delhi, India |
Quanta Services Africa (PTY) Ltd. | South Africa |
Quanta Services Australia Pty Ltd. | Victoria, Australia |
Quanta Services Chile SpA | Chile |
Quanta Services Colombia S.A.S. | Colombia |
Quanta Services Costa Rica, Ltda. | Costa Rica |
Quanta Services Guatemala, Ltda. | Guatemala |
Quanta Services International Holdings LP | Alberta |
Quanta Services Management Partnership, L.P. Quanta Services Management Partnership LP | Texas |
Quanta Services Netherlands B.V. | Netherlands |
Quanta Services of Canada Ltd. | British Columbia |
Quanta Services Panamá, S. de R.L. | Panama |
Quanta Services Perú S.A.C. | Perú |
Quanta Services Puerto Rico, LLC | Puerto Rico |
Quanta Subsurface Canada, Ltd. | British Columbia |
Quanta Subsurface, LLC | Delaware |
Quanta Technology Canada ULC | British Columbia |
Quanta Technology UK Ltd. | United Kingdom |
Subsidiary | Jurisdiction of Formation |
Quanta Technology, LLC Delaware Quanta Technology, LLC | Delaware |
Quanta Tecnologia do Brasil Ltda. | Brazil |
Quanta Telecommunication Services, LLC Quanta Telecom Quanta Telecom Services Quanta Telecommunication Services Quanta Telecommunications Services, LLC Utility Line Management Services, Inc. | Delaware |
Quanta Utility Engineering Services, Inc. | Missouri |
Quanta Utility Installation Company, Inc. | Delaware |
Quantecua Cia. Ltda. | Ecuador |
Realtime Engineers, Inc. | Delaware |
Realtime Utility Engineers, Inc. Infrasource Engineering Company, PC | Wisconsin |
Redes Andinas de Comunicaciones S.R.L. | Perú |
RMS Holdings, LLC RMS Holdings, LLC (Delaware) RMS Welding Systems Rms Welding Systems LLC RMS Welding Systems, LLC RMS Welding Systems, LLC (RMS Holdings, LLC) Rms Welding, LLC | Delaware |
Road Bore Corporation | Hawaii |
Service Electric Company P.D.G. Electric Service EC (DE), Inc. Service Electric Company (DE) Service Electric Company of Delaware Service Electric Company, Inc. | Delaware |
Servicios de Infraestructura del Perú S.A.C. | Perú |
Servicios Par Electric, S. de R.L. de C.V. | Mexico |
Southwest Trenching Company, Inc. | Texas |
Specialty Tank Services, Ltd. Specialty Tank Services Limited Partnership Specialty Tank Services, L.P. Specialty Tank Services, Limited Partnership Specialty Tank Services, LP Specialty Tank Services, Ltd. (LP) Specialty Tank Services, Ltd. Limited Partnership Specialty Tank Services, Ltd. LP | Texas |
Stronghold General, LLC | Texas |
Stronghold Inspection, Ltd. Stronghold Inspection, L.P. Stronghold Inspection, Limited Partnership Stronghold Inspection, Ltd. Limited Partnership Stronghold Inspection, Ltd., L.P. | Texas |
Stronghold Specialty General, LLC | Texas |
Stronghold Specialty, Ltd. | Texas |
Stronghold Tower Group, Ltd. | Texas |
Stronghold VI, LLC | British Virgin Islands |
Stronghold, Ltd. Stronghold, Limited Partnership Stronghold Ltd. Limited Partnership | Texas |
Subterra Damage Prevention Specialists Ltd. | Canada |
Summit Line Construction, Inc. Summit Line Construction | Utah |
Sumter Utilities, Inc. | Delaware |
Subsidiary | Jurisdiction of Formation |
T. G. Mercer Consulting Services, Inc. | Texas |
TC Infrastructure Services Ltd. | British Columbia |
The Aspen Utility Company, LLC | Texas |
The ComTran Group, Inc. | Georgia |
The Ryan Company, Inc. Ryan Company, Inc. of Massachusetts Ryan Company, Inc.(The) Ryan Company, Inc., The The Massachusetts Ryan Company, Inc. The Ryan Company Inc Of Massachusetts The Ryan Company Inc. of Massachusetts The Ryan Company Incorporated Of Massachusetts The Ryan Company of Massachusetts The Ryan Company of Massachusetts (FN) The Ryan Company of Massachusetts, Inc. The Ryan Company, Inc. (Massachusetts) The Ryan Company, Inc. of Massachusetts The Ryan Company, Incorporated Electrical Contractors | Massachusetts |
Tom Allen Construction Company TA Construction Tom Allen Construction Company Inc. Tom Allen Construction Company of Delaware | Delaware |
TurnKey Automation, Ltd. TurnKey Automation Limited Partnership Turnkey Automation, Ltd. L.P. TurnKey Automation, Ltd. Limited Partnership | Texas |
Underground Construction Co., Inc. Delaware Underground Construction Co. Ucc - Underground Construction Co. UCC Underground Construction Co., Inc. Underground Construction Co., Inc. (Delaware) | Delaware |
Underground Electric Construction Company, LLC | Delaware |
Utility Training Services Corporation | Idaho |
Valard Construction (Ontario) Ltd. | Ontario |
Valard Construction (Quebec) Inc. | Quebec |
Valard Construction 2008 Ltd. Valard Construction LP | Alberta |
Valard Construction LP | Alberta |
Valard Equipment (AB) Ltd. | British Columbia |
Valard Equipment GP Ltd. | Alberta |
Valard Equipment Limited Partnership | Alberta |
Valard Geomatics (Ontario) Ltd. | Ontario |
Valard Geomatics Ltd. | Alberta |
Valard Land Surveying Ltd. | British Columbia |
Valard Mechanical Ltd. | British Columbia |
Valard Norway AS | Norway |
VALARD Polska sp. z o.o. | Poland |
Valard Sweden AB | Sweden |
Valard Zagreb d. o. o. | Croatia |
Winco, Inc. Winco Powerline Services Winco Powerline Services Inc. Winco Powerline Services, Inc. Winco, Inc. an Oregon Based Corporation Winco, Inc. D/B/A Winco Powerline Services Winco, Inc. DBA Winco Services Inc. Winco, Inc. which will do business in California as: Winco Helicopters | Oregon |