| Kenneth J. Dalto & Associates | Farmington Hills, Michigan, United States |
| Keryx Biopharmaceuticals Inc. | New York, New York, United States |
| Keweenaw Nanoscience Center | Lake Jackson, Texas, United States |
| Key Safety Systems Inc. | Sterling Heights, Michigan, United States |
| Kidde Fire Systems | Ashland, Massachusetts, United States |
| Kinemetrics Inc. | Pasadena, California, United States |
| Kinetic Systems Inc. - Global Products Group | Tempe, Arizona, United States |
| Kionix Inc. | Ithaca, New York, United States |
| Kirkpatrick & Lockhart LLP | San Francisco, California, United States |
| Kirksey | Houston, Texas, United States |