| Cardinal Control Co Inc (Berlin, CT)
|
| Carroll Engineering Co (Baxter, KY)
|
| Catcon Products Inc (Hurst, TX)
|
| Caton Industries Inc (Edison, NJ)
|
| Ceaco (Erie, PA)
|
| Central Systems & Controls (Westlake, OH)
|
| Centroid Corp (Howard, PA)
|
| Certified Laboratories & Svc (Ashland, OH)
|
| Chandler Systems Inc (Ashland, OH)
|
| Cieco Inc (Clinton, PA)
|
| Citro Magic Inc (Louisville, KY)
|
| Clarktron Products Inc (Fairfield, CT)
|
| Columbus Technical Services (Columbus, OH)
|
| Commico Inc (Carson City, NV)
|
| Competition Electronics Inc (Rockford, IL)
|
| Component Industries (Lexington, SC)
|
| Computer Components Inc (East Granby, CT)
|
| Computer Process Controls Inc (Kennesaw, GA)
|
| Concept Technology Inc (Hazelwood, MO)
|
| Concepts In Controls (Visalia, CA)
|
| Conntrol International Inc (Putnam, CT)
|
| Consumer Engineering Inc (Palm Bay, FL)
|
| Contech Systems Inc (Palos Heights, IL)
|
| Continental Instruments Llc (Amityville, NY)
|
| Contrex Inc (Osseo, MN)
|
