| Name | Location | Products | Action |
|---|
 4Wave | |  | |
| A&A Coatings | | | |
| Abrisa Technologies | | | |
| AccuCoat | | | |
| Accurate Optics | | | |
| ACM Coatings | | | |
| ACREE TECHNOLOGIES INC | | | |
| ACTEGA | | | |
| Aculon | | | |
| Aerospace Coatings | | | |
| AGC | | | |
| AIC | | | |
| Albi Protective Coatings | | | |
| Allied PhotoChemical | | | |
| Alluxa | | | |
| Alpine Research Optics | | | |
| ALTECHNA | | | |
| Ameetuff | | | |
| Andover Corporation | | | |
| ANGSTROM ENGINEERING | | | |
| APM Technica | | | |
| Apollo Optical Systems Inc. | | | |
| Arbonite | | | |
| Arizona Thin Films | | | |
| Arrow Thin Films | | | |
| Arsonsisi | | | |
| Asian Paints PPG | | | |
| ASK Chemicals | | | |
| asphericon | | | |
| Astro Optics | | | |
| Avantier Inc. | | | |
| Axalta | | | |
| BASF | | | |
| Biogrund | | | |
| Blue Ridge Optics | | | |
| BMV Optical Technologies Inc | | | |
| Bossard | | | |
| Boxin Photoelectric | | | |
| Brewer Science | | | |
| Bruker | | | |
| Bte Bedampfungstechnik | | | |
| Cabot Corporation | | | |
| Calico Coatings | | | |
| Cardinal | | | |
| Carl Zeiss Microscopy GmbH | | | |
| Carpmaels & Ransford | | | |
| Cascade Optical Corporation | | | |
| CASIX. | | | |
| Castech Inc. | | | |
| Cefla Finishing | | | |
| CEN and CENELEC | | | |
| CeNTI | | | |
| CHEERSONIC | | | |
| ChemPoint | | | |
| Chroma | | | |
| Chroma Technology Corporation | | | |
| Coherent Corp. | | | |
| Colorado Thin Films, Inc | | | |
| Competitive Edge Coatings | | | |
| COR-PRO SYSTEMS | | | |
| Cosmo Optics | | | |
| Coursen Coating Labs., Inc | | | |
| CPG Optics | | | |
| Crytur USA | | | |
| Denton Vacuum | | | |
| Deposition Sciences, Inc. | | | |
| Diamonex | | | |
| DirectIndustry | | | |
| Diverse Optics Inc | | | |
| Dominar Inc | | | |
| Dontech | | | |
| DÖRKEN | | | |
| Dorsetware Limited | | | |
| Dulux Protective Coatings | | | |
| DuPont | | | |
| Ecoptik | | | |
| ECOTONE | | | |
| Edmund Optics | | | |
| EKSMA Optics | | | |
| Ellsworth Adhesives | | | |
| Endura Coatings | | | |
| Esco Optics, Inc | | | |
| Evaporated Coatings, Inc. | | | |
| EVCO Plastics | | | |
| E-Z Optical | | | |
| Ferroperm Optics | | | |
| FHR Anlagenbau | | | |
| Flexitech Avia | | | |
| Fluorogistx | | | |
| Focuslight Technologies | | | |
| Fort Wayne Metals | | | |
| Fosroc | | | |
| G5 Infrared LLC | | | |
| Gelest | | | |
| GKB Optic Technologies | | | |
| Guernsey Coating | | | |
| Hahne Bautenschutz | | | |
| Hardin Optical | | | |
| HART MATERIALS | | | |
| HEF Groupe | | | |
| Helia Photonics | | | |
| Henan UM Optics | | | |
| Henkel Adhesive Technologies | | | |
| Heresite Protective Coatings | | | |
| HHV Advanced Technologies Pvt Ltd | | | |
| Hisco | | | |
| Holland Shielding Systems | | | |
| ICA Group | | | |
| Ideal Cures | | | |
| IDEX Optical Technologies | | | |
| INFINITE OPTICS | | | |
| Inrad Optics Inc. | | | |
| Intlvac Thin Film | | | |
| INX International | | | |
| Ionbond | | | |
| I-Photonics | | | |
| IRD Glass | | | |
| Janos Technology | | | |
| Jenoptik | | | |
| JNS Glass & Coatings | | | |
| Jotun | | | |
| Kansai Paint | | | |
| KERDRY | | | |
| Keronite | | | |
| Knight Optical (UK) Ltd | | | |
| Korthals | | | |
| L & L Optical Services | | | |
| LaCroix Precision Optics | | | |
| Lambda Research Corporation | | | |
| Lambda Research Optics | | | |
| Laser Components | | | |
| LASEROPTIK | | | |
| LAYERTEC | | | |
| LEW Techniques | | | |
| LINE-X | | | |
| Loctite | | | |
| LohnStar Optics | | | |
| MAJR Products | | | |
| Master Bond | | | |
| Materion Balzers Optics | | | |
| MERCK KGAA, DARMSTADT | | | |
| METALOR | | | |
| MG Chemicals | | | |
| MKS | Newport | | | |
| MLD TECHNOLOGIES | | | |
| Momentive | | | |
| MPF | | | |
| Mulberry & Pier Protective Coatings | | | |
| Mustang Vacuum Systems | | | |
| MY Polymers | | | |
| Naneo Precision IBS Coatings | | | |
| NBM MEDIA | | | |
| NEI Corporation | | | |
| Newport Thin Film Laboratory | | | |
| Northeast Coating | | | |
| Northrop Grumman | | | |
| Omega Optical | | | |
| OPAL PAINTS PRODUCTS | | | |
| OPCO Laboratory | | | |
| OPCO Laboratory, Inc. | | | |
| Optical Coatings | | | |
| Optical Filter | | | |
| Opticote | | | |
| Optiforms | | | |
| OptoCity | | | |
| ORAFOL Fresnel Optics GmbH | | | |
| Orion Industries | | | |
| Parker Hannifin | | | |
| Peerless Plastics & Coatings | | | |
| Peka Chemie | | | |
| Perkins Precision Developments | | | |
| Peters Group | | | |
| PFG Precision Optics, Inc | | | |
| PFG Precision Optics, Inc. | | | |
| Plaskolite | | | |
| PLX Inc. | | | |
| Plymouth Grating Laboratory | | | |
| PPG | | | |
| Präzisions Glas & Optik GmbH | | | |
| Precision Dip Coating | | | |
| Precision Glass & Optics | | | |
| Precision Optical | | | |
| PRIMES | | | |
| Primetals Technologies | | | |
| Protecticoat | | | |
| PTFE Coatings | | | |
| PVD Products | | | |
| Pyrotek | | | |
| QSIL Ceramics | | | |
| Rainbow Research Optics, LLC | | | |
| Rapid Coat | | | |
| REFLEX Analytical | | | |
| Rehbar Paints & Polymers | | | |
| Reynard Corporation | | | |
| Richter Precision | | | |
| Rocky Mountain Instrument Co. | | | |
| RPM International | | | |
| Rs Coatings | | | |
| S1 Optics GmbH | | | |
| Saes | | | |
| SAFRAN Colibrys | | | |
| Salvo Technologies | | | |
| SAMCO | | | |
| Sandstrom | | | |
| SBL Coatings | | | |
| SCHOTT North America, Inc | | | |
| SDC TECHNOLOGIES | | | |
| Sensient Pharmaceutical | | | |
| Shanghai Optics | | | |
| Sheenlac Paints | | | |
| Sherwin-Williams | | | |
| Shielding Solutions | | | |
| Sibelco | | | |
| Silcos | | | |
| Silmid Limited | | | |
| Siltint Industries | | | |
| SK Formulations India | | | |
| SOCOMORE | | | |
| Solaris Optics | | | |
| Sono-Tek | | | |
| Specialist Metallic Coatings | | | |
| Spectral Systems, LLC | | | |
| Spectrogon US Inc | | | |
| Spectrum Scientific, Inc | | | |
| Starna | | | |
| STS Group | | | |
| Sukee Coatings | | | |
| SURA Instruments | | | |
| SVOTek, Inc | | | |
| Syntec Optics | | | |
| TE Connectivity | | | |
| TECHNICOAT | | | |
| Tecnottica Consonni | | | |
| TecOptics, Inc. | | | |
| Teknos | | | |
| Thermax Limited | | | |
| THIN FILM LABS | | | |
| Thin-Films Research | | | |
| THINFILMS, Inc. | | | |
| Thorlabs Inc | | | |
| TIGER Drylac | | | |
| Toyo Ink Group | | | |
| TYDEX | | | |
| UL Solutions | | | |
| UltraFast Innovations | | | |
| UltraSpecCoatings | | | |
| Umicore Coating Services | | | |
| UNIVERSAL THIN FILM LAB | | | |
| Valley Design | | | |
| Viavi Solutions Inc. | | | |
| VisiMax Thin Films | | | |
| Vortex Optical Coatings | | | |
| Wanshun Powder Coating | | | |
| Winovus | | | |
| YMC India | | | |
| Zygo Corporation | | | |
