- Daxcon Engineering Inc
- Daxcon Engineering Inc
- Ehlert-Bryan Inc
- Engineering Society Of Detroit
- Engineering Society Of Detroit
- Jacobs Sverdrup Technology
- Jacobs Sverdrup Technology
- Odusseus Technology Inc
- Odusseus Technology Inc
- Odusseus Technology Inc
- PEA Of Michigan Inc
- Quality Engineering Co
- Quality Engineering Co
- Quality Engineering Co
- Superior Engineering Assoc Inc
- Superior Engineering Assoc Inc
- Ziemet Wozniak & Assoc Inc
- Ziemet Wozniak & Assoc Inc
