| Crescent Electric Supply | Dayton | Ohio | www.cesco.com |
| Crescent Electric Supply | Defiance | Ohio | www.cesco.com |
| Crescent Electric Supply | Sandusky | Ohio | www.cesco.com |
| Crescent Electric Supply | Columbus | Ohio | www.cesco.com |
| Crescent Electric Supply | Cincinnati | Ohio | www.cesco.com |
| Crescent Electric Supply | Independence | Ohio | www.cesco.com/lines.cwd?type=i |
| Crescent Electric Supply | Perrysburg | Ohio | www.cesco.com/ |
| Crescent Electric Supply | Indianapolis | Indiana | www.cesco.com/content/branchPage_INDIANAPOLIS_IN |
| CONTROSYS Engineering Ltd. | Budapest | | www.controsys.hu |
| Controls & Automation (UK) Ltd | Avonmouth | Bristol | www.controlsandautomation.com |
| Control Systems Services Ltd | Cwmbran | | www.controlsystems.co.uk |
| Control Source | Gastonia | North Carolina | www.controlsource.com |
| Control Sensors S.A. de C.V. | Guadalupe | Nuevo Leon | www.controlsensors.mx |
| CONTROL POINT, INC. | Scarborough | Maine | www.controlpt.com |
| CONTROL PLUS INC | Augusta | Georgia | www.controlplus.com |
| Control Logic Pty. Ltd. | Eagle Farm | Queensland | www.control-logic.com.au |
| Contaval Automatismos y Componentes Electronicos, S.L. | Paterna | Valencia | www.contaval.es |
| Computer Products Professional Benelux BV | Puttershoek | | www.compprof-rtp.com |
| Compomax Co. LTD | Bangkok, Thailand | Bangkok | www.compomax.co.th/brands/red-lion |
| Comercializadora Egaflow SPA | Santiago | | www.egaflow.com |
| Colsein SAS | Tocancipa CUN | | www.colsein.com.co |
| Colacino Industries, Inc. | Newark | New York | www.colacino.com |
| Coastal Control Products | Pinopolis | South Carolina | www.coastalcontrolproducts.com |
| CLEARWATER TECHNOLOGIES | Boise | Idaho | www.clrwtr.com |
| Clayton Engineering Co. | Nitro | West Virginia | www.claytonengineering.com/cecoweb/charleston.htm |
| Clayton Engineering Co. | Canton | Ohio | www.claytonengineering.com |
| Clayton Engineering Co. | Wheeling | West Virginia | www.claytonengineering.com |
| Clayton Engineering Co. | Bridgeville | Pennsylvania | www.claytonengineering.com |
| CIR Toulouse | Toulouse Cedex 1 | | www.cir.fr |
| Cimpro België | Sint-Niklaas | | www.cimpro.com |
| CimPro B.V. | Best | | www.cimpro.com |
| Chinatech Corporation | New Tapei City | T'ai-pei county | www.chinatech.com.tw |
| CHICAGO ELECTRIC | Carol Stream | Illinois | www.chicagoelectric.com |
| Chengdu Auto Run Co., LTD | Chengdu City | Sichuan | |
| Changsha Xinxin Science & Technology Co., LTD | Changsha City | Hunan | |
| Cesco Electrical Supply | Port Coquitlam | British Columbia | www.cescoelectrical.com |
| CBT Company | Lexington | Kentucky | www.cbtcompany.com |
| CBT Company | Louisville | Kentucky | www.cbtcompany.com |
| CBT Company | Springboro | Ohio | www.cbtcompany.com |
| CBT Company | Sidney | Ohio | www.cbtcompany.com |
| CBT Company | Cincinnati | Ohio | www.cbtcompany.com |
| CATCHING FLUID POWER INC | Bolingbrook | Illinois | www.catching.com |
| CASCADE CONTROLS CORP | Spokane | Washington | http://www.cascadecontrols.com/ |
| CARLTON BATES CO | Grand Rapids | Missouri | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | Livonia | Michigan | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | Greenbay | Wisconsin | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | Cedarburg | Wisconsin | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | St. Louis | Missouri | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | Springfield | Missouri | www.carltonbates.com/content/780736-1 |
| CARLTON BATES CO | Ft Smith | Arkansas | www.carltonbates.com/content/780736-1 |
