| Rotech Engineering (Placentia, CA)
|
| Rovisys Co (Aurora, OH)
|
| Royce Technologies (Charlotte, NC)
|
| S D Marketing Corp (Chino, CA)
|
| Sabina Motors & Controls (Anaheim, CA)
|
| Sandelius Instruments & Mfg (Houston, TX)
|
| Sequent Power Inc (Columbus, OH)
|
| Sico Systems Control Inc (Haskell, NJ)
|
| Sigcon Inc (Sacramento, CA)
|
| Skjonberg Controls Inc (Ventura, CA)
|
| Solargenic Energy (Sanford, NC)
|
| Solutions Inc (Riverton, UT)
|
| Somerset Controls Inc (Middlesex, NJ)
|
| South Atlantic Controls Inc (Williamsport, MD)
|
| Star-Tech Instruments Systems (Baton Rouge, LA)
|
| Static Specialists Co Inc (Bohemia, NY)
|
| Superior Controls (Plymouth, MI)
|
| Tayco Engineering Inc (Cypress, CA)
|
| Tempaco Inc (Largo, FL)
|
| Thermalfo Engineering Co (Pineville, NC)
|
| Thermo Electric Co (Houston, TX)
|
| Thermo Electron (San Antonio, TX)
|
| Thompson Equipment Co (New Orleans, LA)
|
| Tilford Co (Jackson, MI)
|
| Tour Andover Controls (Saint Louis, MO)
|
