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| McMahan Research Laboratories | |
| Infrared Systems Development Corporation ISDC | ||
| Jelight | ||
| Electro Lite Corporation | ||
| International Light, Inc. | ||
| Efos Inc. | ||
| Gigahertz Optik, Inc. | ||
| Optronic Laboratories | ||
| Dymax Corp. | ||
| Analytical Spectral Devices | ||
| EIT Inc. 108 Carpenter Drive - Sterling, VA 20164 USA - - | ||
| Unidata America | ||
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