Key Players
- Kay Industries
- Ronk Electrical Industries Inc
- Tower Electric Motor Company
- North America Phase Converter Company
- ARCO Electric Products
- Phase-A-Matic., Inc.
- Southern Phase Converters
- Coffman Electrical Equipment Company
- Martin Electric, Inc.
- Steelman Industries, Inc.
- Willett Manufacturing Ltd.
- PhazeMeister Rotary Phaze Converters
