Action Technology, Inc.

Advastar

Aerotek Energy Services

Allied Resources Staffing Solutions

Allied Staff Augmentation Partners, Inc. (ASAP)

BCP Technical Services, Inc.

Bowen Engineering Corporation

Brown & Root

Conam Construction Company

CTR Corporation

Day & Zimmermann

Dixie Electric

E2 Consulting Engineers, Inc.

E Group ? Specialized Recruiting for the Power Industry

The Empyrean Group

EnerMech Mechanical Services

Engineering and Technical Associates, Inc.

Enscicon

Enthalpy Energy Services

Excel Group, Inc.

ExecuTREK Systems LLC

Exelon

Flowserve

FootBridge Engineering Services & Project Controls Staffing

G.D. Barri & Associates

Geotemps,Inc.

H-S International LLC

HBA / WMI

Higdon Construction, LLC

Hilton Electrical Automation & Testing Services, Inc.

HireResource Staffing

HKA Enterprises, Inc.

Hourly Internet Recruitment

HydroChemPSC

Hyperspring, LLC

IMC

Innovative Turnaround Controls

Integrated Technical Solutions, Inc.

International Quality Consultants, Inc.

International Tank Service, Inc.

JM Test Systems Field Services

Johnson Service Group, Inc.

J-S Machine & Valve, Inc.

Larkin Enterprises, Inc.

Lauren

MADI

Mechanical Contracting Services, Inc.

Metcalf Construction Services, LLC

M.H. Chew & Associates, Inc.

MMR Constructors

Mohawk Field Services, Inc.

Morales Group, Inc (MGI)

NAES - North American Energy Services

National Engineering Resources, Inc.

National Engineering Service Corp.

NES Global

nVent

Onsite Energy Services (see Aerotek Energy Services)

Overland Contracting Inc.

PCL Industrial Construction Co.

Peak Solutions LLC

Per S? Group, Inc.

PIC Group, Inc

Planet Forward

Power Equipment Maintenance, Inc.

Power Services Group

Primoris

Procedure Solutions Management, LLC

Process Technical Services, Inc.

ProEnergy Services

Project Management Quality Services

RCS Corporation

ReNuke

Riley Power Group

RTF Project Services, LLC

Saulsbury Industries

SDS Resources, LLC

Shawcor

Sirius Technical Services

Southern Industrial Constructors

STARCON

Steele and Associates

SUN Technical Services, Inc.

System One

Talascend

Task Force One, Inc.

TEAM

Tech USA

Tecmer, Inc.

Tepco LLC

Thermon

TIC-The Industrial Company

Tradesmen International

TransGlobal Energy, Inc

TRC Companies Inc.

Tri Tool Inc.

Trillium Construction Services

TRS Staffing Solutions, Inc.

Turner Industries Group, LLC

UEI LLC

Valve Reconditioning Services

Venture Management

WD Associates, Inc.

Weld Spec Inc.

Williams Industrial Services Group LLC

Workforce Group

XL Industrial Services, Inc.

Yezak Technical Staffing, Inc.

Zachry Industrial, Inc.

Zolon Tech Solutions