3M
Atkore
Southwire Company LLC
American Conduit
American Polywater Corporation
Arlington Industries
Basor Electric, Inc.
Cerro Wire LLC
Chalfant Manufacturing Company
Champion Fiberglass
Electri-Flex Company
Encore Wire Corporation
Gripple Inc.
Infinity Cable Products
LS Cable & System U.S.A., Inc.
MaxCell
MB Cable Co.
nCompass Systems
Neptco
nVent
Panduit Corp.
Patriot Industries
Penn Aluminum International LLC
Picoma
Prysmian Group
Radix Wire Company
Rep Materials Company
Robroy Industries
RYMCO USA
Service Wire Co.
Snake Tray
Superior Tray Systems
Underground Devices Inc.
Western Tube
Western Tube / Picoma
Wheatland Tube
Windsor Wire
