Optical Coater Manufacturers
| Science Products (Berwyn, PA) |
| Signet Armorlite Inc (San Marcos, CA) |
| Soderberg Inc (Terre Haute, IN) |
| Strainoptic Technologies Inc (North Wales, PA) |
| Van Slyke Instruments (Colorado Springs, CO) |
| Vartan Engineering (Osseo, MN) |
| Visual Cortex Concepts (Largo, FL) |
