| Company | Location |
|---|---|
| UCLA - California NANO Systems Institute | Los Angeles, California, United States |
| UES Inc. - Materials Laboratory | Dayton, Ohio, United States |
| UGL Unicco | Point Pleasant, New Jersey, United States |
| Ultra T Equipment Co. | Fremont, California, United States |
| Ultrafine Technologies Inc. | Newark, Delaware, United States |
| Ultrasonic Systems, Inc | Haverhill, Massachusetts, United States |
| Ultratech Inc. | San Jose, California, United States |
| ULVAC Technologies Inc. | Methuen, Massachusetts, United States |
| Umachines Inc. | Altadena, California, United States |
| umedik Inc. | Toronto, Ontario, Canada |
