Members of the US Army Corp of Engineers

Members of the US Air Force

Members of General Dynamics

Worley Petrocon – Saudi Arabia, North Carolina

MPNU - Mobil Producing Nigeria Unlimited – Texas

MOL Pakistan Oil and Gas Co. B.V. - Pakistan

LAN & Associates – All Locations

SEMO Milling - Missouri
Trigon EPC –Colorado
Arm Tec Defense - North Carolina
Long Island Rail Road – New York

Jacobsen & Horan Engineering, P.C. –New York

Highrise Electrical Technologies, Inc –Texas

Kimley Horn & Associates Inc. – Arizona and Florida

Recon Engineering Management Inc. –Louisiana

Cooke Douglass Farr Lemons – Mississippi

Burdette Engineering - South Carolina

Kerr-McGee – Las Vegas

Owens Corning - Georgia

Carrier Inc. -  Air Conditioners

Trane Inc. -  Air Conditioners

Taylor Power Systems – Taylor Generators

Weyerhaeuser – Texas

Johns Manville – Ohio

DuPont Teijin Films - South Carolina

Seagate Hard Drives – Minnesota

WESCO Minerals, LLC - Florida

Lee County Utilities – Florida

City of Livermore – Livermore, California

Quality Plus Services Inc.

Penn State University – Pennsylvania

Scaled Composites – Lancaster, California

AFNA Division Latino America

C&H Sugar – California

MTF Engineering, Inc. – Oklahoma

Crawford, Murphy & Tilly, Inc. – Illinois

Construven - Caracas, Venezuela

RSEA Engineering Corporation - Malaysia

Contracting Consulting Engineering – Colombia

K&V Ingenieria LTDA - Colombia

Berg Electric Corp. – Las Vegas

C&A Engineering Consultants - Puerto Rico

Commonwealth Electric Company of the Midwest

Proyecto Selectricos – Mexico

TRAGS Electrical Engineering – Qatar

Inversiones QV S.A. de C.V. - El Salvador

AdBro Controls Limited – United Kingdom

I P C Corporation - Virginia

Alcatel - Texas
APEX Engineering Corporation - Mississippi
Ariel Electric Ltd. - Alberta, Canada
Atlas Cold - Arizona
Bamberg Board of Public Works - South Carolina
Bergmann Associates - New York
Boling Consultants - South Carolina
Building Services Design Ltd. - Turks and Caicos Islands
Burdette Engineering - South Carolina
Carthel Farms - Texas
Casne Engineering, Inc. - Washington (State)
Charles Ford & Associates - Maryland
Compass Technologies, Inc. - South Carolina
Construction Service Consultants - Ohio
Cooke Douglass Farr Lemons - Mississippi
Dominion Control Systems, Inc. - Virginia
DRE Power and Cabling Contractors - California
DRM del Sureste S.A. de C.V. - Mexico
Energy & Automation, Inc. - Texas
Enertron - California
Environmental Technology, Inc. - Indiana
Guttmann & Blaevoet - California
Garver Engineers, LLC - Arkansas
GEM Industrial Inc, - Ohio
Giuffrida Engineering - Connecticut
Groves Electrical Contractors, Inc. - Kentucky
Hamilton Sundstrand - Connecticut
Industrial Electric Company - Kansas
Ingeniería de Proyectos Flash - Venezuela
Intermountain Electric - Wyoming
Jackson Rancheria Casino & Hotel - California
Jacobs Field Services - Iowa
Jet Plastica - Pennsylvania
Mason County Forest Products - Washington (State)
Meister Log and Lumber - Wisconsin
Mishawaka Brewing Co. - Indiana
ML Engineering, Inc. - Virginia
MTF Engineering, Inc. - Oklahoma
P&C Industries, Power and Control Systems - Texas
Pineridge Engineering, Inc. - Wisconsin
Precision Drive & Control, Inc. - Wisconsin
Proyecto Selectricos - Mexico
PWA Instrumantation - Florida
Qatar Design Consortium - Qatar
Rustic Home Builders - Iowa
Sigma Aldrich - Missouri
Systems Integration, Inc. - Texas
Tekser s.r.l. - Italy
The Upchurch Group - Illinois
UC Santa Cruz - California