- Control Concepts
- E C Systems
- E C Systems
- Eurotherm Drives
- Eurotherm Drives
- Freeman Electronics Inc
- Graham Danfoss Co
- Graham Danfoss Co
- Harry Parks Electric
- High Tech Controls
- IDM Controls
- IDM Controls
- O J Du Pree Co
- Precision Electric Co Inc
- Radford Remanufacturing
- Ronald Ray & Assoc
- Transdrive Of Charlotte
- Variflow Equipment Inc