| Noise |
| Emerson Network Power | http://www.control-concepts.com |
| Noise |
| GE Electrical Distribution & Control | http://www.geindustrial.com |
| Noise |
| Intermatic | http://www.intematic.com |
| Noise |
| Leviton Mfg. Co. Inc. | http://www.leviton.com |
| Noise |
| MCG Surge Protection | http://www.mcgsurge.com |
| Noise |
| TCI Trans-Coil Inc. | http://www.transcoil.com |
| Surge |
| Bryant Electric | http://www.bryantrelectric.com |
| Surge |
| Danaher Power Solutions | http://www.danaherpowersolutions.com |
| Surge |
| Eaton Electrical Inc. | http://www.eatonelectrical.com |
| Surge |
| Emerson Network Power | http://www.control-concepts.com |
| Surge |
| ERICO Inc. | http://www.erico.com |
| Surge |
| GE Electrical Distribution & Control | http://www.geindustrial.com |
| Surge |
| GE Zenith Controls Inc. | http://www.geindustrial.com/ |
| Surge |
| Hubbell Wiring Device-Kellems | http://www.hubbell-wiring.com |
| Surge |
| Intermatic | http://www.intematic.com |
| Surge |
| LEA International | http://www.protectiongroup.com/LEA-International |
| Surge |
| Leviton Mfg. Co. Inc. | http://www.leviton.com |
| Surge |
| MCG Surge Protection | http://www.mcgsurge.com |
| Surge |
| Meter-Treater Inc | http://www.metertreater.com |
| Surge |
| NTE Electronics Inc. | http://www.nteinc.com |
| Surge |
| Peradata Technology Corp. | http://www.peradata.com |
| Surge |
| Phoenix Contact | http://www.phoenixcon.com |
| Surge |
| Schneider Electric | http://www.us.schneider-electric.com |
| Surge |
| TCI Trans-Coil Inc. | http://www.transcoil.com |
| Surge |
| Zero Surge Inc. | http://www.ZeroSurge.com |