- A & M Tool & Die Co
- A G Heinze Co
- A T Cross Co
- Accuratus Ceramic Corp
- Acton Research Corp
- Adaptive Optics Assoc Inc
- Ade Phase Shift
- Aire-O-Lite Optical Inc
- Align Optics Inc
- Andover Corp
- Applied Image Group
- Axsys Technologies Inc
- B & K Opt Tools & Supplies LLC
- Barr Associates
- BMC Industries Inc
- Boeckeler Instruments Inc
- Brunson Instrument Co
- Brunson Instrument Co
- Brunson Instrument Co
- Brunson Instruments Co
- Brysen Optical Corp
- Buchmann USA
- Burris Co
- Butz Hacker Co Inc
- Butz Plumbing
- Butz Sign Co
- Butz Tool Mfg
- Butztown Garage
- Butztown Garage
- Bux Belting & Drives
- Bux Mont Air Inc
- Bux Mont Contracting Inc
- Bux Mont Home Inspections
- Bux Mont Jewish Federation
- Bux Mont Ongology Hematology
- Cascade Optical Coating
- Cheshire Optical Inc
- Chessman's Contact Lens Lab
- Chiu Technical Corp
- Chroma Technology Inc
- Collimated Holes Inc
- Colton Surveying Instruments
- Computer Optics Inc
- Conoptics Inc
- Crown Optical Co
- Custom Optical Laboratories
- Cvi Laser LLC
- Cyber Optics Corp
- Cycad Products
- Cylinder Optics Inc
- Danker Laboratories
- Davidson Optronics
- Davidson Optronics
- Di-Walt Optical Inc
- Diad LTD
- Diamond Turning Inc
- Digital Optics Corp
- Diversified Optical Products
- Doc Optics Corp
- Doc Optics Corp
- DOC Optics Ctr
- DOC Optics Ctr
- DOC Optics Ctr
- DOC Optics Ctr
- DRS Optronics Inc
- DRS Optronics Inc
- Duffens Optical
- Dyn-Optics
- Dyn-Optics
- Ehlen Cameron Group
- Essilor Coating Center
- Exotic Electro-Optics Inc
- Eye Lab
- Eyedeal Vision Ctr
- F 1 Optics
- Feather Visions Inc
- Ferson Technologies Inc
- Finescale Co
- Finescale Co
- Gage-Line Technology Inc
- Gemological Institute-America
- Gene's Plastics Inc
- Glass Mountain Optics Inc
- Green Mountain Optics
- Guild Optical Assoc
- Hardin Optical Co
- Harold Johnson Optical Lab
- Hawaii Innovative Technical
- Hyperfine Inc
- II-Vi Wide Bandgap Group
- ILX Lightwave Corp
- Integrated Optical Svc Corp
- J & B Ophthalmic Equipment
- J & J Assembly
- J & J Assembly
- Jds Uniphase
- Junior Optics Inc
- Karl Stetson Assoc LLC
- Ken-A-Vision Mfg Co
- Koch Crystal Finishing
- Kollmorgen Electro-Optical
- Kreischer Optics LTD
- Kreischer Optics LTD
- Kreischer Optics LTD
- Kurz & Zobel Inc
- Labsphere Inc
- Ladd Research Industries Inc
- Laikin Optical Corp
- Lam Optics Inc
- Laser Optics
- Laser Optics
- Laser Sight Inc
- Lattice Materials Corp
- Laurel Industries
- Lightspan
- M J Optical
- Macro Systems Inc
- Magnistitch Inc
- Meadowlark Optics
- Meller Optics Inc
- Mems Optical Inc
- Meridian Optical
- Micro Lens Technology Inc
- Miller Holzwarth Inc
- Minitool Inc
- Mirage Holography LTD
- Multi Optix
- New Light Industries
- Norman N Axelrod Assoc
- Northrop Grumman Elect Systems
- Oasys Technologies LLC
- Ocean Optics
- Opotek Inc
- Optek Technology Inc
- Optex Systems Inc
- Opti-Matrix
- Opti-Tech Bx VA Optical Disp
- Optical Corp
- Optical Machinery Supplies
- Optical Solutions
- Optical Supply
- Optics Masters Corp
- Optim Inc
- Opto Sigma Corp
- Prism Tool
- Professional Optical
- Quantum Northwest Inc
- Rainbow Research Optics Inc
- Redwood Empire Optical
- Robert Cairns Co
- Rockwell Collins Optronics
- Rodriguez Precision Optics
- Rojas Optical Co
- Russell Optics
- Sadler Brothers Inc
- Schneider Optics
- Scientific Materials
- See Coast Mfg Co
- Seiler Precision Microscopes
- Semprex
- Sigma Corp Of America
- Soderberg Inc
- Soderberg Optical Svc Inc
- Spectrex Inc
- Spectron Engineering Inc
- Standard Contact Lens Svc
- Start International
- Stereographics Corp
- Sungate LLC
- Sunoptic Technologies LLC
- Swift Instruments
- T & T Optical Inc
- T & T Optical Inc
- Technical Equipment Concepts
- Telic Optics Co
- Twin State Optical Inc
- United Lens Co
- Vartan Engineering
- Ventui International LTD
- Verity Instruments Inc
- Vermont Precision Machine Svc
- Vicora
- Vision Craft Inc
- Vision Craft Inc
- Vision Plastics USA Inc
- Volunteer Optical Laboratory
- Walman Optical Co
- Western Optical Supply Inc