- Ace Systems
- Advanced Technical Resources
- E-Technology Loc
- Eastern Design Svc
- Engineering Corp Of America
- Engineering Corp Of America
- Holtzman Engineering
- J Squared Design Inc
- Northwest Cad Svc
- Northwest Cas Svc
- Northwest Technical Resources
- Quality Surface Processing
- Quantum Components LTD
- R L Angeline & ASSOC LLC
- Seco-Carboloy Inc
- Seco-Carboloy Inc
- Superior Automation
- Superior Staffing Solutions
- Technical South Inc
- Warner Engineering
- Warner Engineering