- Ampswiss Engineering
- Anthony's Machine
- ASL Trading Inc
- Bestpro Machining
- C & H Enterprises
- Calcraft Machining
- Doon Manufacturing
- Hayward Quartz Machining Co
- Hpm Machining Inc
- Image Precision Machine Inc
- J B Mfg
- Lockett Machining
- Mecoptron Inc
- National Machining & Engineer
- Pro Machining
- Sharp Dimension Inc
- Silicon Valley Mfg
- V P Precision Machining
- Vontrex
