EX-21.1 4 pwr-ex211x12312024.htm EX-21.1 Document

Exhibit 21.1



Quanta Services, Inc.
Subsidiaries List

The following is a list of the subsidiaries of Quanta Services, Inc. showing the jurisdiction of incorporation or organization and the names under which each subsidiary does business (in italics). The names of certain subsidiaries may be omitted as such subsidiaries, considered as a single subsidiary, would not constitute a significant subsidiary.

Subsidiary and Names Under Which Subsidiary Does Business
Jurisdiction of Incorporation or Organization
618232 Alberta Ltd.
ValAir
Alberta
8246408 Canada Inc.
G-TEK
G-Vac
Quebec
Advanced Electric Systems, LLC
Advanced Utility Testing & Maintenance, LLC
Utility Testing & Maintenance, LLC
Delaware

Allteck GP Ltd.
British Columbia
Allteck Limited Partnership
British Columbia
Allteck USA, LLC
Delaware
American Eagle Ready Mix Utah, LLC
Delaware
Arizona Trench Company, LLC
Delaware
Arnett & Burgess Energy Services GP Ltd.
Alberta
Arnett & Burgess Energy Services LP
Alberta
Axcentium Pty Ltd
Australia
B&N Clearing and Environmental, LLC
Delaware
Banister Pipelines Constructors GP Ltd.
British Columbia
Banister Pipelines Limited Partnership
British Columbia
Blackbox Technologies International
Texas
Blattner Canada, LLC
Minnesota
Blattner Energy, LLC
Blattner Energy, PLLC
Minnesota
Blattner Holding Company, LLC
     Blattner Company
Minnesota
Blattner Investments, LLC
Minnesota
Brent Woodward, Inc.
Oregon
Brink Constructors, Inc.
Brink Constructors, Inc. A Corporation Of South Dakota
South Dakota
Cable Communication Services, LLC
Delaware
Calico Real Property, LLC
Delaware
CanACRE Ltd.
British Columbia
Canacre USA, LLC
Delaware
Canadian Utility Construction GP Ltd.
British Columbia
Canadian Utility Construction Limited Partnership
British Columbia
Carolina Power & Signalization, LLC
Delaware
Catalyst Changers Inc.
Alberta
Catalyst Changers Trinidad, ULC
British Columbia
1

Cat-Spec, Ltd.
Cat Spec Limited, LP
Cat Spec, Ltd
CAT SPEC, Ltd.
Cat-Spec, Ltd., L.P.
Cat-Spec, Ltd., LP
Cat Spec, Ltd. L.P.
Cat Spec, Ltd., LP
Cat Spec., Ltd. LP
Cat-Spec Ltd, LP
CAT-SPEC, Limited Partnership
CAT-SPEC, Limited Partnership (Regd Name) CAT SPEC, Ltd. (Part Name)
Cat-Spec, Ltd., LP (Used in VA By: Cat-Spec, Ltd.)
Cat-Spec, Ltd (A Domestic limited Partnership)
Cat-Spec, Ltd. Limited Partnership
Texas
CEI Solar One, LLC
California
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.
Coe Group
Mears Integrity Solutions
Australia
Conam Construction Co.
       Conam Construction Co., Inc.
Texas
Consolidated Power Projects Australia Pty Ltd
Conpower
Consolidated Power
Consolidated Power Industries
Consolidated Power Projects
CPP Civil
Electric-TSD

Australia
Conti Communications, Inc.
Delaware
Crux Subsurface Canada Ltd.
British Columbia
Crux Subsurface, Inc.
Delaware
Cupertino Electric, Inc.
Delaware
D.H. Blattner & Sons, LLC
Minnesota
Dacon Corporation
Dacon Corporation (DE)

Delaware
Dacon West, LLC
Delaware
Dashiell Corporation
Dashiell (DE) Corporation (Dashiell Corporation)
Dashiell Corporation DBA Dashiell (DE) Corporation
Dacon Corporation
Delaware
Dashiell MI Corporation
Delaware
Dashiell West, LLC
Delaware
Digco Utility Construction, L.P.
Digco Utility Construction Limited Partnership
Delaware
DOD Fueling Contractors Pty Ltd.
Australia
Dorado Specialty Services, Ltd.
Dorado Specialty Services, L.P.
Dorado Specialty Services, Ltd. L.P.
Dorado Specialty Services. Ltd., L.P.
Texas
2

Elite Construction of Ocala, LLC
Marathon Construction Services

Delaware
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, Limited Partnership
Elite Piping & Civil, Ltd. Limited Partnership
Elite Piping & Civil, Ltd., L.P.
Elite Piping and Civil, L.P.
ELITE PIPING & CIVIL, L.P.
Texas
Elite Turnaround Specialists, Ltd.
Elite Turnaround Specialists Limited Partnership
Elite Turnaround Specialists Limited Lp
Elite Turnaround Specialists Ltd. L.P.
Elite Turnaround Specialists, L.p.
Elite Turnaround Specialists, Limited Partnership
ELITE TURNAROUND SPECIALISTS, LTD
Elite Turnaround Specialists, Ltd, Lp
Elite Turnaround Specialists, Ltd. Limited Partnership
Elite Turnaround Specialists, Ltd., LP
Elite Turnaround Specialists, Ltd. Limited Partnership (Elite Turnaround Specialists, Ltd.)
Texas
Energy Services West, LLC
Delaware
Enscope Pty Ltd
Australia
Evergreen Environmental Services, L.L.C.
Evergreen Environmental Services, L.L.C. of Texas

Texas
Evergreen Industrial Services, Inc.
Arkansas
FiberTel, LLC
Fibertel Communications
Fiber Telecom NV LLC
Fiber Telecom NV

Utah
Field Personnel Services, LLC
       Field Personnel Services LLC

Delaware
First Infrastructure Capital GP, L.P.
Delaware
Flare Construction, LLC
Flare Construction, Inc.

Utah
Fleet Services West, LLC
Delaware
Fueling Systems Contractors, LLC

Delaware
GEM Mobile Treatment Services, Inc.
California
GRD Line Construction, LLC
Delaware
Grid Training Corporation
Northwest Lineman Center
Northwest Lineman College
Idaho
H.L. Chapman Pipeline Construction, Inc.
Delaware
Hallen Integrated Construction Services, LLC
Quanta Metro Services
Delaware
Haverfield International Incorporated
Haverfield Aviation
Haverfield Aviation, Inc.
Delaware
3

HBK Engineering, LLC
HBK Engineering, PLLC
Illinois
Helibro, LLC
California
Heritage Midstream, LLC
Delaware
InfraSource Construction, LLC
Infrasource Iowa Underground, LLC
InfraSources Construction, LLC
IUC ILLINOIS, LLC
IUC Nebraska, LLC
QS Mats
Trans Tech Electric
Delaware
Infrasource Electric, LLC
Delaware
Infrasource Equipment Services, LLC
Delaware
InfraSource Services, LLC
Delaware
Infrastructure Tackle & Supply, LLC
Delaware
Innoversa Mobile Solutions GP Ltd.
British Columbia
Innoversa Mobile Solutions Limited Partnership
British Columbia
Innoversa Mobile Solutions, LLC
Delaware
Intermountain Electric, Inc.
Grand Electric Inc.
IM Electric, Inc.
Ime Electric
Intermountain Electric, Inc. which will do business in California as: Colorado IM Electric
Intermountain Electric, Inc., A Corporation of Colorado
Colorado
International Mapping Technologies, LLC
Delaware
Irby Construction Company
Irby Construction Company, Inc.
Legend Foundation Services

Mississippi
Irbyvalard, LLC
Delaware
Island Mechanical Corporation
Hawaii
J&R Underground LLC
Wisconsin
J.C.R. Construction Co., Inc.
J.C.R. Utility Construction Co.
New Hampshire
J.W. Didado Electric, LLC
Delaware
JBT Electric, LLC
Texas
Lazy Q Ranch, LLC
DE Lazy Q Ranch, LLC
(De) Lazy Q Ranch, LLC
Lazy Q Line School
Lazy Q Line School, LLC
Delaware
Lee Electrical Construction, LLC
Lee Utilities, Inc.
North Carolina
Lex Engineering Ltd.
British Columbia
Lindsey Electric, L.P.
Texas
4

M. J. Electric, LLC
Great Lakes Line Builders
Iron Mountain M.J. Electric, LLC
IRON POWER SERVICES, A DIVISION OF M. J. ELECTRIC
Iron Power Services
Iron Power Services, A Division of 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 DBA M.J. Electric Iron Mountain
M.J. Electric, LLC Iron Mountain
MJ Drilling, A Division of M.J. Electric, LLC
MJ Drilling, A Division of M. J. Electric
MJ Drilling, A Division of M. J. Electric, LLC
MJ Excavating, A Division of M.J.Electric, LLC
Process Controls & Instrumentation
Process Controls & Instrumentation, A Division of M. J. Electric, LLC
Delaware
M.G. Dyess, LLC
Mississippi
MATG I, LLC
Delaware
Mears Broadband, LLC
Delaware
Mears Canada Corp.
Nova Scotia
Mears Electric, LLC
Delaware
Mears Equipment Services, LLC
Infrasource Of Pa, LLC
Mears Equipment Service, LLC
QPS Global Services
Delaware
Mears Group Pty Ltd.
Mears Integrity Solutions


Australia
Mears Group, Inc.
De Mears Group
De Mears Group, Inc.
Enscope
Ranger Directional
Delaware
Mears Holdings, LLC
Mears Holdings Ny, LLC
TN Mears Holdings, LLC
Delaware

Mears Installation, LLC
Delaware
Mearsmex S. de R.L. de C.V.
Mexico
Mejia Personnel Services, LLC
Texas
Mid America Energy Services, Inc.
TA Construction
Tom Allen Construction Company Inc.
Tom Allen Construction Company of Delaware
Delaware
MTS Quanta, LLC
Mercer Technical Services
MTS Field Services
MTS Field Services (Richmond Co)
Mercer Software Solutions, LLC
Texas
NACAP Niugini Ltd.
Papua New Guinea
Nacap PNG Limited
Papua New Guinea
Nacap Pty Ltd.
Australia
NAES Northeast, LLC
New York
Niagara Power Transformer, LLC
Delaware
Niagara Transformer, LLC
Delaware
5

NLC CA., Inc.
NORTHWEST LINEMAN COLLEGE
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 American Industrial Services, Inc.
Evergreen North America Industrial Services
New York
North American Services Group, LLC
Kentucky
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
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 Energy Solutions, LLC
Northstar Energy, LLC
Delaware
Nova Constructors LLC
Japan
Nova Equipment Leasing, LLC
Washington
Nova Group, Inc.
NGI Construction
NGI Construction, Inc.
NGI Construction, Inc. (FN)
Nova Group, Inc
Nova Group, Inc (CA)
Nova Group, Inc. DBA NGI Construction
California
Nova NextGen Solutions, LLC
Delaware
O. J. Pipelines Canada Corporation
OJ INDUSTRIAL MAINTENANCE
O.J. Pipelines Canada
RMS WELDING SYSTEMS
New Brunswick
O. J. Pipelines Canada Limited Partnership
Alberta
Oregon Aerial Construction, LLC
Oregon
P.J. Helicopters, Inc.
PJ AIR
California
PAR Electrical Contractors, LLC
Computapole
Didado Utility Company, Inc.
J.W. Didado Electric
J.W. Didado Electric, Inc.
Longfellow Drilling
Par Electric Contractors, LLC
QUES
Riggin & Diggin Line Construction
Seaward
Seaward Corp
Seaward Corporation
Missouri
Par Internacional, S. de R.L. de C.V.
Mexico
6

PAR Western Line Contractors, LLC
QUES
Utility Line Management Services
Delaware
Pennsylvania Transformer Technology, LLC
Delaware
Phasor Engineering Inc.
Alberta
Phasor Geomatics, Ltd.
Alberta
Phasor USA, LLC
Delaware
Phoenix North Constructors Inc.
British Columbia
Phoenix Power Group, Inc.
Delaware
Potelco, Inc.
Potelco, Incorporated
Washington
Power Engineering Services, LLC
PES MS, LLC
PES OH, LLC
PES OK, LLC
Pes Wv, LLC
Power Engineering Services, PLLC

Delaware
Price Gregory International, LLC
Delaware
Price Gregory Services, LLC
Delaware
Probst Electric, Inc.
Advanced Electric Systems
Probst Construction, Inc.
Utility Fleet Services
Utah
QES GP, LLC
Delaware
QESC GP Ltd.
British Columbia
QPS Flint, LLC
QPS Flint Construction
QPS Flint Tank Services
QPS Professional Services
Quanta Environmental Solutions
Quanta EPC Services
Quanta Tank Services
Delaware

QSI Engineering, Inc.
Delaware
QSI Finance (Australia) Pty Ltd.
Australia
QSI Finance (Cayman) Pvt. Ltd.
Cayman Islands
QSI Finance Canada ULC
British Columbia
QSI Finance GP (US), LLC
Delaware
QSI Finance I (US), L.P.
Delaware
QSI Finance II (Australia) Pty Ltd.
Australia
QSI Finance III (Canada) ULC
British Columbia
QSI Finance III (Lux) SARL
Luxemburg
QSI Finance IX (Canada) Limited Partnership
British Columbia
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 Holdings, LLC
Delaware
QSI Holdings I (Singapore) Pte. Ltd.
Singapore
QSI Holdings II (Singapore) Pte. Ltd.
Singapore
QSI Investment AR, LLC
Delaware
QSI Investment GCH, LLC
Delaware
QSI Investment KORE, LLC
Delaware
7

QSI Investment TSC, LLC
Delaware
QSI Investment UL, LLC
Delaware
QSI Investment VFD, LLC
Delaware
QSI Investment West, LLC
Delaware
QSI Investment, LLC
Delaware
QSI Management, LLC
Delaware
QSI PR, LLC
Puerto Rico
QSI, Inc.
CA-QSI, Inc.
DE QSI INC
De Qsi Inc.
QSI (DE), INC.
Qsi, Inc. Of Delaware
Delaware
QSN Lux Holdings I SCSp
Luxembourg
QSN Lux Holdings II SCSp
Luxembourg
QSN Lux Holdings III SCSp
Luxembourg
QSN Lux Holdings IV SCSp
Luxembourg
Quanta Asset Management LLC
Delaware
Quanta Associates, L.P.
Texas
Quanta Aviation Equipment Company, LLC
Delaware
Quanta Aviation Services, LLC
Delaware
Quanta Canada GP ULC
British Columbia
Quanta Canada Holdings III Limited Partnership
British Columbia
Quanta Canada Holdings LP
Alberta
Quanta Canada III GP Ltd.
British Columbia
Quanta Canada Renewables GP Ltd.
Alberta
Quanta Canada Renewables LP
Alberta
QUANTA CANIP GP ULC
British Columbia
Quanta CanIP Holdings Limited Partnership
British Columbia
Quanta Capital GP, LLC
Delaware
Quanta Capital LP, L.P.
Delaware
Quanta Capital Solutions, LLC
Delaware
Quanta Cares
Texas
Quanta East, LLC
Delaware
Quanta Electric Power Services West, LLC
Delaware
Quanta Electric Power Services, LLC
RPCS Solar Tracking Systems, LLC

Delaware
Quanta Energized Innovations Ltd.
British Columbia
Quanta Energized Services of Canada Limited Partnership
British Columbia
Quanta Energized Services U.S., LLC
Delaware
Quanta Energy Services, LLC
Delaware
Quanta Equipment Company Canada GP Ltd.
Alberta
Quanta Equipment Company Canada Limited Partnership
Alberta
Quanta Equipment Company, LLC
Qec, LLC
Delaware
Quanta Express, LLC
Delaware
Quanta Government Solutions, LLC
Delaware
Quanta Industrial Solutions, LLC
Delaware
Quanta Infrastructure Holdings, LLC
Delaware
Quanta Infrastructure Services, S. de R.L. de C.V.
Mexico
8

Quanta Infrastructure Solutions Group, LLC
Iron Power Services
QEPC
QISG
QPEC
Quanta Electric Power Construction, LLC
Timken Power Systems GS
Delaware
Quanta Inline Devices, LLC
Texas
Quanta Insurance Company, Inc.
Texas
Quanta International Holdings (US) LLC
Delaware
Quanta International Holdings II, Ltd.
British Virgin Islands
Quanta International Holdings IV, Ltd.
British Virgin Islands
Quanta International Holdings V Ltd.
British Virgin Islands
Quanta International Holdings VI Ltd.
British Virgin Islands
Quanta International Holdings VII, Ltd.
British Virgin Islands
Quanta International Holdings, Ltd.
British Virgin Islands
Quanta International Limited
British Virgin Islands
Quanta Lines Pty Ltd.
Australia
Quanta Marine Services, LLC
Delaware
Quanta Metro, LLC
Delaware
Quanta Mountain West, LLC
Delaware
Quanta Power Australia Pty Ltd
Australia
Quanta Power Delivery, LLC
Delaware
Quanta Power Generation, Inc.
Delaware
Quanta Power Solutions India Private Limited
India
Quanta Services Australia Pty Ltd.
Australia
Quanta Services Chile SpA
Chile
Quanta Services Colombia S.A.S.
Colombia
Quanta Services Costa Rica, Ltda.
Costa Rica
Quanta Services International Holdings II Limited Partnership
British Columbia
Quanta Services International Holdings LP
Alberta
Quanta Services Management Partnership, L.P.
Texas
Quanta Services Netherlands B.V.
Quanta Energized Services Europe
Quanta Services Netherlands B.V.
Quanta Technology Europe
Netherlands
Quanta Services of Canada Ltd.
British Columbia
Quanta Services Peru S.A.C.
Peru
Quanta Services Puerto Rico Holdings, LLC
Delaware
Quanta Services Solutions PR, LLC
Quanta Services Puerto Rico
Puerto Rico
Quanta Services STPR, LLC
Quanta Services Puerto Rico
Puerto Rico
Quanta Solar, LLC
Delaware
Quanta Subsurface Canada, Ltd.
British Columbia
Quanta Supply Solutions, LLC
Delaware
Quanta Technology Canada Ltd.
British Columbia
Quanta Technology, LLC
Delaware Quanta Technology, LLC
Delaware
Quanta Tecnología do Brasil Ltda.
Brazil
9

Quanta Telecommunication Solutions, LLC
Quanta Telecom
Quanta Telecom Services
Quanta Telecommunication Services
Quanta Telecommunications Services, LLC
Delaware
Quanta Utility Installation Company, Inc.
Delaware
Quanta Utility Operations PR, LLC
Puerto Rico
Quanta Utility Operations, LLC
Delaware
Quanta West, LLC
Delaware
Quanta Workforce Solutions, LLC
Delaware
R. R. Cassidy, Inc.
Louisiana
Redes Andinas de Comunicaciones S.R.L.
Peru
RMS Holdings, LLC
RMS Coating
RMS Holdings, LLC (Delaware)
RMS Welding Systems
Rms Welding Systems LLC
RMS Welding Systems, LLC
Rms Welding, LLC
RMS Welding Systems LLC (Used in VA By: RMS Holdings, LLC)
RMS Welding Systems, LLC (RMS Holdings, LLC)


Delaware
Road Bore Corporation
Hawaii
Robinson Brothers Construction, LLC
Robinson Brothers Construction, LLC A Limited Liability Company of Delaware
UT RBC, LLC
Delaware
RP Construction Services, LLC
RPCS Solar Tracking Systems, LLC
Delaware
S&S Electric Solutions, LLC
Stapleton Electric, LLC
Delaware
Safety Test & Equipment Company, Inc.
North Carolina
Service Electric Company
P.D.G. Electric
Service EC (DE), Inc.
Service Electric Company (DE)
Service Electric Company of Delaware
Service Electric Company Of Delaware
Service Electric Company, Inc.
Delaware
Sherman + Reilly, Inc.
Sherman And Reilly, Inc.
Sherman And Reilly Corporation
Tennessee
Servicios de Infraestructura del Peru S.A.C.
Peru
Southern Electric Corporation of Mississippi
Sec Utility Corporation

Mississippi
Southwest Trenching Company, Inc.
Texas
10

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
Specialty Tank Services, Ltd., L.P.
Specialty Tank Services, Ltd., LP
Specialty Tank Services, Ltd., LP (Used in VA by: Specialty Tank Services, Ltd.)
Texas Specialty Tank Services, Ltd. LP
Texas
Stronghold Companies U.K. Ltd.
United Kingdom
Stronghold General, LLC
Texas
Stronghold Holdings (BVI) Limited
British Virgin Islands
Stronghold Inspection, Ltd.
Stronghold Inspection Limited Partnership
Stronghold Inspection Ltd, L.P.
Stronghold Inspection, L.P.
Stronghold Inspection, Limited Partnership
Stronghold Inspection, Ltd. Limited Partnership
Stronghold Inspection, Ltd., L.P.
Stronghold Inspection, L.P. (Fict Name) Stronghold Inspection, Ltd. (Part Name)
Stronghold Inspection, Ltd., L.P. (Used in VA By: Stronghold Inspection, Ltd.)
Texas
Stronghold Specialty General LLC
Texas
Stronghold Specialty, Ltd.
Stronghold Specialty, Ltd. Limited Partnership
Texas
Stronghold Tower Group, Ltd.
Stronghold Tower Group, LP
Stronghold Tower Group, Ltd, LP
Stronghold Tower Group, Ltd., LP
Texas
Stronghold VI, LLC
U.S. Virgin Islands
Stronghold, Ltd.
Stronghold Management Holdings, LP
Stronghold Limited Partnership
Stronghold, Limited Partnership
Stronghold, Ltd. Limited Partnership
Texas
Summit Line Construction, Inc.
Summit Line Construction
Utah
Sumter Utilities, Inc.
Delaware
T. G. Mercer Consulting Services, Inc.
Texas
Taylor's Construction, LLC
Delaware
The Aspen Utility Company, LLC
The Aspen Utility Company LLC
Texas
The ComTran Group, Inc.
Georgia
The Delphi Groupe, LLC
Delaware
The Hallen Construction Co., Inc.
New York
11

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 Ma
The Ryan Company Inc of Massachusetts
The Ryan Company Inc of Massachusetts (Used in VA By: The Ryan Company, Inc.)
The Ryan Company Inc. of Massachusetts
The Ryan Company Incorporated Of Massachusetts
The Ryan Company Of Massachusetts
The Ryan Company Of Massachusetts,Inc.
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, Inc. which will do business in California as: The Ryan Company Incorporated of Massachusetts
The Ryan Company, Incorporated Electrical Contractors
Massachusetts
TurnKey Automation, Ltd.
TurnKey Automation Limited Partnership
TurnKey Automation, Limited Partnership
TurnKey Automation, Ltd. L.P.
TurnKey Automation, Ltd. Limited Partnership
TurnKey Automation, Ltd., Limited Partnership
TurnKey Automaton, Ltd. L.P.
TurnKey I&E, Ltd.
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
Underground Pipeline Services, LLC
Delaware
Valard Construction (Quebec) Inc.
Quebec
Valard Construction 2008 Ltd.
TC Infrastructure Services
Alberta
Valard Construction LP
TC Infrastructure Services
Alberta
Valard Construction, LLC
Valard
Delaware
Valard Equipment GP Ltd.
Alberta
Valard Equipment Limited Partnership
Alberta
Valard Geomatics BC, Ltd.
British Columbia
GRD Line Construction GP Ltd.
Alberta
GRD Line Construction LP
Alberta
W. T. Byler Co., LLC
Delaware
12

William E. Groves Construction, LLC
Groves Electrical Services
Kentucky

Winco, Inc.
Winco Helicopters
Winco Powerline Services
Winco Powerline Services Inc.
Winco Powerline Services, Inc.
Winco, Inc. an Oregon Based Corporation (Used in VA By: Winco, Inc.)
Winco, Inc. D/B/A Winco Powerline Services
Winco, Inc. DBA Winco Services Inc.
Oregon




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