| Low-Voltage Distribution |
| Eaton Electrical Inc. | http://www.eatonelectrical.com |
| Low-Voltage Distribution |
| Leviton Mfg. Co. Inc. | http://www.leviton.com |
| Low-Voltage Distribution |
| Rittal-Electromate Inc. | http://www.rittal-corp.com |
| Low-Voltage Distribution |
| Schneider Electric | http://www.us.schneider-electric.com |
| Low-Voltage Distribution |
| Siemens Energy & Automation Inc | http://www.siemens.com |
| Low-Voltage Distribution |
| Triatek Inc. | http://www.triatek.com |
| Stage Lighting |
| Eaton Electrical Inc. | http://www.eatonelectrical.com |
| Stage Lighting |
| Leviton Mfg. Co. Inc. | http://www.leviton.com |
| Substations |
| Eaton Electrical Inc. | http://www.eatonelectrical.com |
| Substations |
| GE Electrical Distribution & Control | http://www.geindustrial.com |
| Substations |
| Power Controls Inc. | http://www.powercontrolsinc.com |
| Substations |
| Schweitzer Engineering Laboratories Inc. | http://www.selindustrial.com |