| Company | Location |
|---|---|
| Quadro Liquids | Waterloo, Ontario, Canada |
| Quality Systems Integrated Corporation | San Diego, California, United States |
| Quallion LLC | Sylmar, California, United States |
| Quanta BioDesign Ltd. | Powel, Ohio, United States |
| Quantum Analytics | Foster City, California, United States |
| Quantum Corp. and Quantum Materials Corp. | Bangalore, Karnataka, India |
| Quantum Dot Corp. | Hayward, California, United States |
| Quantum Insight | Menlo Park, California, United States |
| Quantum Logic Devices | Austin, Texas, United States |
| Quantum Materials Corporation | San Marcos, Texas, United States |
