| Company | Location |
|---|---|
| Digital Optics Corp. | Charlotte, North Carolina, United States |
| Digital Surf | Besancon, France |
| Dionex Corp. | Sunnyvale, California, United States |
| Discera | Ann Arbor, Michigan, United States |
| DiscoveryBioMed, Inc. | Birmingham, Alabama, United States |
| DK2 Solutions | Cave Creek, Arizona, United States |
| DNA Pharmaceuticals | Miami, Florida, United States |
| DNA Software Inc. | Ann Arbor, Michigan, United States |
| Docter Optics GmbH | Neustadt a. d. Orla, Germany |
| Dome Communications Inc. | Chicago, Illinois, United States |
