| Company | Location |
|---|---|
| Q LTD. | Ann Arbor, Michigan, United States |
| Q-Sense, Inc | Monroe, Connecticut, United States |
| Q-Sense, Inc. | Glen Burnie, Maryland, United States |
| Q2 Solutions | EA Genomics | Morrisville, North Carolina, United States |
| Qiagen Inc. | Valencia , California, United States |
| QinetiQ | Worcs, United Kingdom |
| QorTek Inc. | Williamsport, Pennsylvania, United States |
| Qsonica, LLC | Newtown, Massachusetts, United States |
| Quadro Engineering | Waterloo, Ontario, Canada |
| Quadro Liquids | Waterloo, Ontario, Canada |
