Manufacturer Listings O-R
O.Z. Gedney
Paragon
Pass & Seymour
Patton Electric
Penn Ventilator (Fans)
Perfect-Line (T&B)
Perma-Cote Industries
Picoma Industries
Plymouth Tape
Porcelain Products Company
Precision Multiple Controls
Qmark
Quazite Corp.
Raco Industries (Hubbell)
Rayovac Batteries
Red-Dot
Regal Manufacturing Co.
Reiker
Rittal (Enclosures)
Robroy