- Action Aircraft Parts
- American Aerial Sales Inc
- Autorotate Inc
- Contract Fabrication & Design
- Cordova Corp
- Direct International
- Metrostar Helicopter Svc Inc
- Quality Aircraft
- Rotormate
- Rotormate
- S & S Precision Machine Corp
- Tech-Tool Plastics Corp
- Texas Helicopter Co Inc
- Zubroski & Assoc
- Zubroski & Assoc