| Preferred Power Inc (Toledo, OH)
|
| Prime Measurement-West (Hacienda Heights, CA)
|
| Prime Technology (North Branford, CT)
|
| Pro Controls Inc (Yakima, WA)
|
| Process & Control Systems Inc (Alsip, IL)
|
| Progressive International (Raleigh, NC)
|
| Protec Cooling Towers (Miami, FL)
|
| Pro-Tech (Felton, DE)
|
| Protection Controls Inc (Skokie, IL)
|
| Quadrastat Corp (Pomona, CA)
|
| Qualitrol Hathaway (Englewood, CO)
|
| Quality Assembly & Mfg Inc (Broomfield, CO)
|
| R & D Electronics (Rialto, CA)
|
| R S Controls (Irmo, SC)
|
| Rapid Controls Inc (Rapid City, SD)
|
| Regent Controls Inc (Ansonia, CT)
|
| Relay & Control Corp (Ronkonkoma, NY)
|
| Relay Specialties Inc (Oakland, NJ)
|
| Relay Testing Svc Llc (Mendon, MA)
|
| Robinson Engineering (Cedar City, UT)
|
| Rolla Engineering & Dev Inc (Rolla, MO)
|
| Rybett Controls (Chatsworth, CA)
|
| S H Leggitt Co (San Marcos, TX)
|
| Saberax Group Ltd (Austin, TX)
|
| Sachs Technologies Inc (Chesterfield, MO)
|
