| Company | Location |
|---|---|
| HRL Laboratories LLC | Malibu, California, United States |
| HT MicroAnalytical Inc. | Albuquerque, New Mexico, United States |
| Hulsey & Calkins LLP | Austin, Texas, United States |
| Hunter College of CUNY - Dept of Chemistry | New York, New York, United States |
| Hybrid Plastics Inc. | Fountain Valley, California, United States |
| Hydrocarbon Technologies Inc. | Lawrenceville, New Jersey, United States |
| Hydrogen Ventures LLC | El Segundo, California, United States |
| Hydrovolts, Inc. | Seattle, Washington, United States |
| Hygrometrix Inc. | Alpine, California, United States |
| Hyper-Therm High-Temperature Composites Inc. | Huntington Beach, California, United States |
