| R G Kenrick (Flint, MI)
|
| R M Wright Co Inc (Farmington, MI)
|
| R Smola Co (Newport News, VA)
|
| Radac Sales Corp (Darby, PA)
|
| Radak Electronics Inc (Walla Walla, WA)
|
| Radar Engineers (Portland, OR)
|
| Radcal Corp (Monrovia, CA)
|
| Radiac Research Corp (Brooklyn, NY)
|
| Radiant Heating Systems Inc (Seward, NE)
|
| Radiological Health Svc (Jacksonville, FL)
|
| Radiometrics Corp (Boulder, CO)
|
| Radtec Engineering Inc (Broomfield, CO)
|
| Raf Fluid Power Inc (Solon, OH)
|
| Rams Rockford Products Inc (Rockford, IL)
|
| Ramtech Inc (South Plainfield, NJ)
|
| Random Technologies (San Francisco, CA)
|
| Ranger Analytics (Stafford, TX)
|
| Rasi Nh Inc (Fitzwilliam, NH)
|
| Raven Engineering (Oxford, MI)
|
| Ray Murray Inc (Bensalem, PA)
|
| Ray-Tec (Wichita, KS)
|
| Rdf Corp (Hudson, NH)
|
| Reading Technologies Inc (Reading, PA)
|
| Red Man Measurement Co (Tulsa, OK)
|
| Rees Scientific (Ewing, NJ)
|
