
| COMPANY NAME | PHONE | CITY | STATE/PROV | COUNTRY |
| 4D Technology | (520) 294-5600 | Tucson | AZ | USA |
| Advanced Glass Industries | (585) 458-8040 | Rochester | NY | USA |
| Corning Tropel | (585) 388-3420 | Fairport | NY | USA |
| Displays & Optical Technologies | (512) 246-6400 | Round Rock | TX | USA |
| Dynasil Corporation | (856) 767-4600 | West Berlin | NJ | USA |
| Esco Products, Inc. | (973) 697-3700 | Oak Ridge | NJ | USA |
| Excell Technology | (650) 590-6224 | San Carlos | CA | USA |
| Glass Fab Inc. | (585) 262-4000 | Rochester | NY | USA |
| G-S PLASTIC OPTICS, INC. | (585) 295-0200 | Rochester | NY | USA |
| Kreischer Optics, Ltd. | (815) 344-4220 | McHenry | IL | USA |
| Lambda Research Corporation | (978) 486-0766 | Littleton | MA | USA |
| Lightworks Optics, Inc. | (714) 247-7100 | Tustin | CA | USA |
| Lunzer, Inc | (201) 794-2800 | Saddle Brook | NJ | USA |
| Metrology Concepts LLC | (585) 427-9155 | Rochester | NY | USA |
| Ohara Corp. | (949) 858-5700 | Rancho Santo | CA | USA |
| Optical Research Associates | (626) 795-9101 | Pasadena | CA | USA |
| OptiGrate Corp. | (407) 381-4115 | Orlando | FL | USA |
| OptoTech Optical Machinery Inc. | (215) 679-2091 | East Greenville | PA | USA |
| QED Technologies LLC | (585) 256-6540 | Rochester | NY | USA |
| Ray Williamson Consulting | (727) 372-0346 | New Port Richey | FL | USA |
| Schneider Optical Machines Inc. | (972) 247-4000 | Carrollton | TX | USA |
| Schott North America, Inc. | (570) 457-7485 | Duryea | PA | USA |
| Spectra Services | (585) 265-4320 | Ontario | NY | USA |
| Taylor Hobson, Inc. | (203) 881-1853 | Oxford | CT | USA |
| Tempo Clean Room Foam | (559) 651-7711 | Visaila | CA | USA |
| Umicore Optical Materials USA, Inc. | (918) 673-1650 | Quapaw | OK | USA |
| United Lens Company | (508) 765-5421 | Southbridge | MA | USA |
| Universal Photonics | (516) 935-4000 | Hicksville | NY | USA |
| Volk Optical | (440) 942-6161 | Mentor | OH | USA |
| Westech Optical Corporation | (585) 377-2490 | Fairport | NY | USA |