Coatings
| COMPANY NAME | PHONE | CITY | STATE | COUNTRY |
| AccuCoat, Inc | (585) 288-2330 | Rochester | NY | USA |
| Bern Optics Inc. | (413) 568-6800 | Westfield | MA | USA |
| Corning Tropel | (585) 388-3420 | Fairport | NY | USA |
| Cvi Laser, LLC | (505) 296-9541 | Albuquerque | NM | USA |
| CVI Melles Griot, Optic & Photonic Division | (585) 244-7220 | Rochester | NY | USA |
| CVI Optical Components | (626) 967-5281 | Covina | CA | USA |
| Displays & Optical Technologies | (512) 246-6400 | Round Rock | TX | USA |
| Edmund Industrial Optics Inc.. | (215) 679-6272 | Pennsburg | PA | USA |
| Elcan Optical Technologies | (705) 528-7101 | Midland, | Ontario | Canada |
| ER Precision Optics | (407) 292-5395 | Orlando | FL | USA |
| Esco Products, Inc. | (973) 697-3700 | Oak Ridge | NJ | USA |
| Ferson Optics, Inc. | (228) 875-8146 | Ocean Springs | MS | USA |
| FLIR Systems Inc. | (724) 295-2880 | Freeport | PA | USA |
| G-S PLASTIC OPTICS, INC. | (585) 295-0200 | Rochester | NY | USA |
| Hardin Optical Company | (541) 347-9467 | Bandon | OR | USA |
| Harold Johnson Optical Laboratory | (310) 327-3051 | Gardena | CA | USA |
| LaCroix Optical Company | (870) 698-1881 | Batesville | AR | USA |
| LightMachinery Inc. | (613) 749-4895 | Almonte, | Ontario | Canada |
| OPCO Laboratory Inc. | (978) 345-2522 | Fitchburg | MA | USA |
| Optimax Systems Inc. | (585) 265-1020 | Ontario | NY | USA |
| PFG Precision Optics | (228) 875-0165 | Ocean Springs | MS | USA |
| Research Electro-Optics, Inc | (303) 245-4390 | Boulder | CO | USA |
| Rochester Precision Optics | (585) 292-5450 | West Henrietta | NY | USA |
| Spectral Systems | (845) 896-2200 | Hopewell Junction | NJ | USA |
| Spectrum Thin Films | (631) 901-1010 | Hauppauge | NY | USA |
| Sterling Precision Optics | (847) 864-6900 | Evanston | IL | USA |
| Tower Optical Corp. | (561) 740-2525 | Boynton Beach | FL | USA |
| United Lens Company | (508) 765-5421 | Southbridge | MA | USA |
| Valtech Corporation | (610) 705-5900 | Pottstown | PA | USA |
| Zygo Corp. | (860) 347-8506 | Middlefield | CT | USA |