ABB Power T&D Company, Inc.
Advanced Pedestals, Inc.
Alcan Cable
Alpha Industrial Power, Inc.
ALR
Aluma-Form
Alum-Elec Structures, Inc.
American Pipe & Plastics, Inc.
American Polywater
American Valve
Amp
Arnco A-D Technologies
Automated Controls & Engineering
Bashlin Industries
Beckwith Electric Co.
BICC Cables
BMK Corporation
Brooks Meter Devices
Brown Wood Preserving Co.
Burndy
Bussman/Edison Fuse
Cadweld
Cantex
Canusa-DSG
CDR Systems Corporation
Champion Fiberglass
Component Products, Inc.
Concast, Inc.
Condux International
Cooper Power Systems
Cott Manufacturing Company
DCD
Delta Star Connector Company
Dis-Tran Packaged Substations
Dis-Tran Steel Fabrication
Dis-Tran Steel Pole, LLC
Dis-Tran Wood Products
Dossert Corp.
E.O. Schweitzer Manufacturing
Elastimold
Electrical Materials
Electromark

Erico
Erin Rope
Firon Industries, LTD.
G&W Electric Company
Galvan Industries
GS Industries
Hammond Power Solutions
Harger Lightning & Grounding
Hastings Fiberglass
HD Electric Company
Helical Line Products
Hendrix
Heritage Plastics Group
Highline Products
Howard Industries
Hubbell Power Systems
Hughes Brothers
I-Gard
IPEX
IPS Corporation
Joslyn Hi-Voltage
King Wire
Lewis Manufacturing Co.
Lindsey
3M Electrical Products
M.T. Deason Company, Inc.
Maclean Power Systems
Maysteel Electric Power Products
National Strand Products
Nationwide Poles
NEC
Nehring Electrical Works
Newell Porcelain
Nexans
NGK-Locke
OEL Worldwide Industries, LLC
Okonite Company
Oldcastle Precast, Inc.
Osram Sylvania Products
Pencell Plastics
Penn-Union Corporation
Polaris Sales Company, Inc.
Power Line Hardware

PPC Insulators
Preformed Line Products
Pro-Line Safety Products Co.
Prysmian Power Cables & Systems
Qualitrol Company, LLC
Rainbow Technology
Rauckman Utility Products
Raychem
Redmore Products Company
Reef Industries, Inc.
Republic Conduit
Richards Manufacturing Company
Royal Switchgear Manufacturing
Russelectric, Inc.
S&C Electric Company
Saft America, Inc.
SALCO, Inc.
Salisbury
Sefcor, Inc.
Service Wire
Seves/Sediver
Shakespeare
Solomon Corporation
Southwire
Speed Systems
Streamlight
Sun-Tech
Synertech
TANA Manufacturing Co.
Thomas & Betts Corp.
Travis Pattern & Foundry
Trenwa, Inc.
Turner Electric, LLC.
Tyco
Underground Devices
USA Band
USCO Power Equipment Corporation
Utilico/Ilsco
Utility Concrete Products Company
Valmont Industries
Wheatland Tube
Windsor Communications, Inc.