3
4
P
- Plasma Process Group
- Plasma Quest Ltd
- Pleora Technologies
- PLX Inc
- POG Praezisionsoptik Gera
- Point Source Inc
- Polaris Sensor Technologies Inc
- PolarisUSA
- PolarOnyx
- Poly Software International
- Polymicro Technologies
- Polytec GmbH
- Port City Instruments
- Portable Power Systems
- Potomac Photonics
- Power Technology Inc.
- P&P Optica
- PPI Systems
- Praxis Optics
- Prazisions Glas & Optik GmbH
- Preciseley Microtechnology Corp
- Polaris Motion
- Precision Optical
- Precitec
- Preco Inc
- Prima Power Laserdyne LLC
- Primus Cable
- Princetel
- Princeton Infrared Technologies
- Prinz Optics GmbH
- Prior Scientific Inc
- Prisma
- Prizmatix
- Process Instruments Inc.
- Process Sensors Corp
- ProLabs UK
- Promax Electronica
- Pranalytica, Inc
- Pembroke Instruments, LLC
- Powerphotonic Ltd
- Photon Control Inc.
- Pacific Interconnections.
- Panasonic Corporation
- Pantec Biosolutions AG
- Passat Ltd.
- Pasternack Enterprises Inc.
- Paul N. Gardner Company, Inc
- Pavilion Integration Corporation
- PCO AG
- Pacific Coast Optics
- Pegasus Laser Systeme
- Penn Optical Coatings - Pennsburg, PA
- Performance Coatings International Laboratories, LLC
- PerkinElmer Inc
- PFG Precision Optics, Inc
- PG Instruments Limited
- PhaseTech Spectroscopy, Inc
- Phihong USA Corporation
- Phoenix Photonics
- Photodigm, Inc
- Photonics Industries
- Photonic Solutions
- PHOTONIS
- PhotonTec Berlin
- Photonwares Co
- Photron
- PicoLAS
- Picotronic
- PIKE Technologies
- Pixelplus
- Pleiger Laseroptik
- Plessey Semiconductors Ltd
- Powerlase Limited
- Pratt & Whitney Measurement Systems
- Precision Fiber Product Inc.
- Precision Glass & Optics
- Precision Laser Scanning, LLC
- Precision Micro-Optics
- Precision Rated Optics
- PRIMES
- PriTel, Inc.
- Pro Labs
- Pro-Lite
- Prophesee
- ProPhotonix
- PROTECH OPTIC PRODUCTS GmbH
- ProxiVision GmbH
- PureWavePolarizers Ltd.
- Pyreos Ltd
- Pyxalis
Q
- QuantaSpec
- Quantum Scientific Imaging Inc
- Quantum Technology Inc
- Quartz Imaging Corp
- Qubig GmbH
- QPC Lasers
- Q-Peak
- QPhotonics
- Qbiclaser
- Quantum Design GmbH
- QD Laser
- Qorvo
- QS Lasers
- Quantel laser by LUMIBIRD
- Quantifi Photonics
- Quantum Composers, Inc.
- Quantum Light Instruments
- QSI(Quantum Semiconductor International)
R
- R Specialty Optical Fibers
- RA Fisher Associates LLC
- Radiall SA
- Radian Laser Systems
- Radix Inc
- Raicol Crystals Ltd
- Rain Group
- Rainbow Photonics AG
- RAM Photonics LLC
- Ramco Innovations Inc
- Rare Earth Products Inc
- Rauscher GmbH
- Ray Williamson Consulting
- RayCAD Inc
- Rayscience Optoelectronics Innovations Co Ltd
- Redondo Optics
- Reed Instruments
- Reflex Analytical Corporation
- Reliant Systems Inc
- Remtec Inc
- Resonetics
- Resonon
- R&G Co
- Richardson Electronics Ltd
- Richardson Gratings
- RIDGID
- RIEGL
- Ripplon Software Inc
- RJ Wilson
- RMA Electronics
- Rockwell Automation Inc
- Rockwell Laser Industries Inc
- Rosendahl Nextrom
- Ross FiberOptic
- RP Optical Lab
- Rudzinsky Associates Inc
- RWC Testing & Lab Supplies
- Ruik-Tech Communication Co.,Ltd.
- R&D Ultrafast Lasers
- R. Mathews Optical Works Inc
- Radiant Dyes Laser
- Radiantis
- RAM Photonics
- RANOVUS
- Raptor Photonics
- Ray Technologies
- Redfern Integrated Optics
- Red Optronics
- Reliable Instruments House
- Renesas
- Research Electro-Optics, Inc.
- RESOLUTION Spectra Systems
- Resolve Optics
- Reynard Corporation
- RFOptic
S
- SA Photonics Inc
- Sadapro International
- Saelig Co Inc
- Safibra sro
- Sakar Technology
- Samuel R Phillips Consulting Engineer
- Satir
- Sauter Industrial Design
- Savvy Optics Corp
- ScannerMax
- Scantron Industrial Products Ltd
- SCD SemiConductor Devices
- Scene Sharp Technologies Inc
- Schaefter Kirchhoff Optics
- Schilling Marking Systems GmbH
- Schleuniger
- Schneeberger Inc
- Schneider Optical Machines Inc
- Schoelly Micro Optics
- SCHURTER
- Science & Production Co Solix Ltd
- Scientific Computing International
- Scientific Materials Corp
- Scientific Optical Ltd
- SciMeasure Analytical Systems
- Sciopt Enterprises
- Scitec Instruments Ltd.
- Scope Technology
- SEI - Semiconductor Enclosures Inc
- Seikoh Giken USA Inc
- Seiler Instrument & Manufacturing Co Inc
- Seiwa Optical
- Selex Galileo Inc.
- Senko Advanced Components
- Senop Oy
- Sensapex Ltd
- Sensomed
- SENSOPTIC SA
- Sensor Electronic Technology Inc (SETi)
- Sensor to Image GmbH
- SensUp
- Servo-Robot Inc
- Shanghai HXF-LaiYi
- Shenzhen Photonstream Ltd
- SI Engineering GmbH
- Si-Ware Systems
- SICK Inc
- Side by Side Optics Inc
- SIDUS Solutions
- Siemens Healthineers
- Sierra Pacific Innovations Corp
- Silicon Lightwave Technology
- Silios Technologies
- Sinolaser System & Equipment Co Ltd
- SIOS Messtechnik GmbH
- Sisma SpA Buero Deutschland
- SiTek Electro Optics AB
- Sky Scientific
- SLS Optics Ltd
- SmarAct
- Smart Vision Lights
- SnowHouse Solutions Inc
- Sofradir EC Inc
- Soft Automation
- Software Spectra Inc
- SOMTA
- Sony Europe
- SORL Space Optics Research Labs
- SOTA Imaging
- Sp3 Diamond Technologies Inc
- Spawr Industries Inc
- SPDLasers
- Specac Inc
- Specialty Coating Systems
- SPECIM Spectral Imaging Ltd
- Spectabit Optics
- Spectra Quest Lab Inc.
- Spectra Services
- Spectraconn Inc
- Spectral
- Spectral Devices
- Spectral Instruments
- Spectral Systems LLC
- Spectraline Inc
- Spectralus Corp
- Spectrogon AB
- Spectrolab Systems
- Spectron Glass & Electronics
- Spectronics Corp
- Spectros AG
- Spectrum Illumination
- Spectrum Metrology Ltd
- Spectrum Technologies Plc
- Spectrum Thin Films Inc
- Spellman High Voltage Electronics Corp
- Spica Technologies Inc
- SpotOptics
- SRI International Sarnoff
- Srico Inc
- S&S Optical Co Inc
- Staib Instruments Inc
- Stanford Computer Optics Inc
- Stanford Photonics Inc
- Star Tech Instruments
- Starna Cells Inc
- STC Catalysts Inc
- Stellar Software
- Sterling Resale Optics
- STI Optronics Inc
- StingRay Optics LLC
- Strainoptics Inc
- STRAN Technologies
- Strasbaugh
- Structured Materials Industries Inc
- Struers Inc
- Success Infrared
- Sumita Optical Glass
- Sumitomo (SHI) Cryogenics of America Inc
- Sundance DSP
- Sunex
- Sunny Precision Optics
- Sunrise Optical LLC
- Superlum Diodes Ltd.
- SurClean Inc
- Suresh Indu Lasers
- Surface Optics Corp
- SurplusEQ.com
- SURUGA SEIKI
- Suzhou Delphi Laser Co Ltd
- SWIR Vision Systems
- Swiss Jewel Company
- Sydor Instruments LLC
- Symbion Systems Inc
- Synova SA
- Synrad - A Novanta Company
- Systematic Vision Corp
- Shenzhen Hongnaxin Technology Co.,LTD
- Suzhou Yosoon Laser Equipment Co., Ltd
- Seagnol Photonics Co. Ltd
- Suzhou Delphi Laser Co., Ltd
- Shenzhen optics forest Co.,LTD
- Shenzhen Suntech Company Limited
- Sichuan Tianyi Comheart Telecom Co., Ltd
- Suzhou RicoCNC Machinery Co.,LTD
- Suzhou Jiujon Optics Co.,Ltd
- Sun Optics Co.,Ltd
- Sinocera Photonics, Inc
- SZLASER
- Silicon Valley Optics Technology
- Saint-Gobain Crystals
T
- Talktronics Inc
- Tamron USA
- Tapeswitch Corp
- TARLUZ
- Tattile srl
- Tautec
- Taylor Hobson Precision
- TC Communications
- Te Lintelo Systems BV
- Technica Optical Components LLC
- TechniQuip
- Technodiamant USA Inc
- TECHNOHANDS Co Ltd
- Technooptic
- Techsil Ltd
- TecSense GmbH
- Tegra Medical
- Telegartner
- TELEMARK
- Telesis Technologies Inc
- Telops
- Temmek Optics
- TEMTO Technology Co Ltd
- Tensor Technologies Corp
- Terasense Group
- Testo
- The Crowley
- The Eppley Laboratory Inc
- The Light Brigade Inc
- The Light Connection
- The Microscope Depot
- The Photonics Group
- The Sempre Group Ltd
- TheFibers
- ThermApp
- Thermoteknix Systems
- Thin Film Center Inc
- Thin-Films Research Inc
- Thinklaser
- Three Five Materials
- Tiger Optics LLC
- TimeGate Instruments
- TLC International
- TMC
- Toptec Optics, Inc.
- Transerve Industries Co Ltd
- Translume Inc
- Tri-Tronics Co Inc
- TRICOR Systems Inc
- Trimatiz Ltd
- Trinity Photonics Manufacturing Co Ltd
- TruColor Vision Systems Inc
- TrueGage
- Tybang USA
- Teledyne AnaFocus
- Teledyne e2v
- TOPTICA eagleyard
- THE LEICA CAMERA AG
- Teledyne Photometrics
- Teledyne Princeton Instruments
U
- UC Instruments Corp
- UK Optical Plastics Ltd
- ULT AG
- UltiQuest Technology Co Ltd
- Ultra Tec Manufacturing Inc
- Umicore Optical Materials USA Inc
- Unice E-O Services Inc
- United Crystals Inc.
- United Power Research Technology Corp
- Unitron Ltd
- Universal Switching Corp
- US Conec
- US Fiberoptec Technology Inc
- USA Borescopes
- UsedCisco.com
- Uvirco Technologies
- UVP LLC
V
- Valdor Fiber Optics Inc
- Vektrex Electronic Systems Inc
- Velmex Inc
- Vere
- Versitron
- Vertilas GmbH
- Video Scope International Ltd
- Videology Imaging Solutions
- VIEW Micro-Metrology
- Viewbits
- Vigitek Inc.
- Visio Nerf SA
- Vision Components GmbH
- VISION FOR VISION Sprl
- Visotek Inc
- Visual Instrumentation Corp
- Vivid Engineering
- VLOC
- Volpi
- Voltage Multipliers Inc
- VPIphotonics
- VRmagic Imaging GmbH
- VST America Inc
- Vytek
- Vytran
- Vixar Inc.
W
- Wafer Technology Ltd
- Wanshing
- Warsash Scientific Pty Ltd
- WaveFront Technology Inc
- Weschler Instruments
- West Coast Tech
- Westboro Photonics
- White Bear Photonics LLC
- Wilco Imaging
- Wilcom Inc
- Wilks - a Spectro Scientific Co
- Williamson Corp
- WIN SOURCE
- Winbro Group Technologies Ltd
- Wintriss Engineering Corp
- WL Photonics Inc.
- WolfVision USA
- Wooriro
- World Precision Instruments
- WPI
- WTT
- Wisely Laser Machinery Limited
- Walthy Precision Co., Ltd.
- Wuhan Linxuan Laser Co., Ltd
- WEINERT Fiber Optics Inc.
X
- X-Scan Imaging Corp
- Xapt GmbH
- Xenlux
- Xenon Corporation
- XIA LLC
- Xiris Automation Inc
- X-Power Corporation Limited
- XIAMEN INNOVACERA ADVANCED MATERIALS CO.,LTD
- Xenics nv
Y
Z
- Z-Optics
- Zarbeco
- Zemax
- Zemetrics
- ZENNA Laser Solutions BV
- Zeutec Opto-Elektronik GmbH
- Zivid
- Zmation
- Zolar Technology
- Z&Z Optoelectronics Tech
- Zoey Exporting Co.,Ltd
C
- CryLight Photonics,Inc.
- Chang Chun Bo Xin Photoelectric Co., Ltd.
- Chengdu Berida Technology Co.,Ltd
- C.Z. IT
- Cairn Research
- CEL
- Calpac Lasers
- Canada Fiber Optic Supplier
- Canare
- Canon U.S.A
- Carl Zeiss Microscopy GmbH
- Cascade Optical Corporation
- Cavitar Ltd
- Centronic
- CeramOptec
- Chips 4 Light
- Chromacity
- Cilas Ariane Group
- CINOGY Technologies
- CIS Corporation
- CISCO
- Civan Advanced Technologies
- CIVILIGHT
- Clark-MXR, Inc
- Clear Beam Corp
- ClydeHSI
- CMOS Sensor Inc.
- CODIXX AG
- COE Optics( USA) Inc.
- Coherent Inc.
- Colorado Thin Films, Inc
- Commax
- ComNet
- Compound Photonics
- Control Logistics Inc
- CorActive High-Tech
- Corning Incorporated
- Couriertronics
- CPAutomation
- Cree LED
- CryLaS GmbH
- Crystal IS, Inc.
- CrystaLaser
- Crystaltechno
- Custom Scientific, Inc.
- CVI Laser Optics
L
- Laserse Inc.
- Liquid Instruments
- L-com Global Connectivity
- L3 Narda-MITEQ
- LaCroix Precision Optics
- LaCroix Optical Co.
- Laird Technologies
- Lanics
- LAS Photonics
- Laser 2000 (UK) Ltd.
- Laser Components
- Laser Electronics
- Laser light Solutions
- Laser Point
- LASER S.O.S Group
- Laserax
- Laserex Technologies
- Laserglow Technologies
- Leonardo Electronics US
- Lasermate Group
- Lasers & Optical Systems
- LasersCom
- LaserStar Technologies
- Laserworld
- Lastek
- Lastronics
- Laurel Industries
- LAYERTEC
- LC-Tec
- LD-PD
- LED Microsensor NT
- LENSAR
- Lensation GmbH
- Leonardo
- Leukos
- Leysop
- LG Innotek
- Light Avenue
- Light Conversion
- Light in Motion
- LightMachinery
- LIGHTEL
- Lightwaves2020 Inc.
- Link Electronics
- LIOP-TEC
- LITE-ON
- Lithium Lasers
- Litron Lasers Ltd.
- LOT-QuantumDesign
- LOTIS TII
- Luceo
- LUCID Vision Labs
- Luxima Technology
- Luxmux
- Lumileds
G
- Guangzhou Huipu Stage Effect Equipment Co.,Ltd
- GMCH TECH (SHENZHEN) CO.,LTD
- GreenTEG AG
- GCC
- G-S Plastic Optics
- Galvoptics
- Gamma Scientific
- Gap Laser Systems
- General Atomics Aeronautical Systems, Inc.
- Gentec-EO
- GenUV
- Genvac AeroSpace Inc
- GESTIONE SILO
- GiGa Concept
- Gigaphoton
- Glass Dynamics
- Glass Fab, Inc
- Global Communication Semiconductors
- Global Precision Optics
- GMS Instruments
- Goodfellow Corporation
- GouMax Technology
- GoyaLab
- GPD Optoelectronics
- GratingWorks Co., Ltd
- Greenfield Technology
- GSR Global
- GWU-Lasertechnik Vertriebsges
H
- Hangzhou Brolight Technology Co., Ltd
- HANGZHOU OLE-SYSTEMS
- Hangzhou Hengli Electronic Tech. Co. LTD
- HP Spectroscopy
- Hamamatsu Photonics
- HaphiT GmbH
- HEBO Spezialglas
- HELLMA Optik GmbH Jena
- Hellma USA
- Heraeus Quarzglas GmbH & Co. KG
- Hertzstück
- HGC (Singapore) Technology
- HighFinesse
- Hilase
- HIROSE ELECTRIC CO., LTD.
- Hitachi High-Tech America, Inc.
- HJ Optronics, Inc.
- Holmarc Opto-Mechatronics P Ltd
- Horus
- HOYA CORPORATION USA
- Hylax Technology
- HAM Kristall-Technologie Andreas Maier GmbH
O
- Optizone Technology
- O-m6 Technologies Inc.
- O.R. Lasertechnology
- OASYS GmbH Optics and Systems
- Ocean Insight
- OCTLIGHT
- OEM Laser Systems Inc
- OEM-TECH
- OEwaves
- OHARA CORPORATION
- Olympus Corporation
- OM Optel
- Omega Optical
- Omicron-Laserage
- Onsemi
- OPELUS Technology Corporation
- Oplink Communications
- Optical Surfaces Limited
- OPTICO AG
- OptiConcepts Inc.
- Optics Technology, Inc.
- Optiforms
- Optilab
- Opto Precision Pte. Ltd.
- Optocom Corporation
- OPTOELETTRONICA ITALIA SRL
- OPTOMAN
- Optometrics Corporation
- OPTONYX
- Optoplex Corporation
- Optoprim Germany
- OptoRes
- OptoSigma Corporation
- Optotronics
- Optowaves, Inc.
- Optrans America
- OPTROMIX
- Orbits Lightwave
- Orion Photonics
- OSELA
- OSI Laser Diode, Inc.
- OSI Optoelectronics
- OsTech
- OXIDE Corporation
- OXXIUS
- OZ Optics Ltd.
N
- Nanjing Metalaser Photonics Co.,Ltd.
- Nanjing Crylink Photonics Co., Ltd
- NANGUANG HI-TECH(XIAMEN) LASER CO.,LTD
- Nanoplus
- Navitar
- NDLab SAS
- NECSEL
- Neoark Corporation
- NeoLASE
- Neptec Optical Solutions
- New Imaging Technologies
- New Source Technology
- New Span Opto-Technology Inc.
- Newlight Photonics Inc
- Newport Industrial Glass, Inc.
- Nichia Corporation
- Nihon Tokushu Kogaku Jushi
- NIL Technology ApS
- Nisshinbo Micro Devices Inc.
- NKT Photonics
- NLIGHT Corporation
- Nolatech
- NLIR
- Northrop Grumman
- Novanta Photonics
- NP Photonics, Inc.
- NTE Electronics, Inc
- NTT Electronics Corporation
- Nu-Tek Precision Optical Corp
- NUBURU
- Nuphoton Technologies, Inc.
- NVIDIA Corporation
- NXP Semiconductors
B
- Blanc Inc
- BoJen Optics, Inc.
- Boston Micromachines Corporation
- BRD Optical Ltd
- B-Con Engineering Inc
- B&W Tek, Inc.
- BASLER
- BaySpec
- BeamQ Lasers
- Benchmark
- Berliner Glas KGaA Herbert Kubatz GmbH & Co.
- Bernhard Halle Nachfolger
- BKT Elektromechanik Development and Production GmbH
- BKtel Photonics
- B&M Optik GmbH
- Bofa International
- Bond Optics
- Brolis Semiconductors
- Boston Applied Technologies
- Bridgelux
- Bright Solutions
- Brillnics
- Bristol Instruments
- Broadcom
- BBT-Materials Processing Ltd.
D
- DIGCO® Inc.
- DYNAMIC OPTICS
- DIEN TECH
- Del Mar Photonics
- Data Optics, Inc
- Dausinger + Giesen
- Davidson Optronics, Inc
- Daylight Solutions Inc
- Dehner Elektronik
- Delta Developments
- Delta Electronics, Inc.
- DeNovix
- Deposition Sciences, Inc.
- Deviser Instruments
- Dexter Research Center
- Diamond GmbH
- Diamond SA
- Diodes Incorporated
- DIOPTIC
- Discovery Semiconductors
- Diverse Optics Inc
- DNA Equipment, Inc.
- Docter Optics
- Dora Texas Corporation
- DoroTEK Gesellschaft für Systemtechnik mbH
- DPSS Lasers
- Duma Optronics
J
- JINAN STYLE MACHINERY CO.,LTD
- Jinan Jeesun CNC Machinery Co.,Ltd
- JGR Optics Inc.
- JML Optical
- JNS Glass & Coatings
- Jonard Tools
- Jordan Optical Engineering
- JP Manufacturing, Inc
- J.R. Cumberland, Inc
A
- Anhui Crystro Crystal Material
- Analog Technologies, Inc.
- ALPAO
- Ametek Programmable Power
- A. Optical Components LTD
- AA Opto Electronic
- AC Electronics
- Access Laser
- ACREE TECHNOLOGIES INC
- ADC Corporation
- Adept Optical Ltd
- Admesy
- AdValue Photonics
- Advanced Inspection Technologies
- Advanced Microoptic Systems
- Advanced Optics, Inc
- Advanced Optowave Corporation
- Advanced Photonic Sciences
- Advanced Photonix
- AEPONYX
- AeroDIODE
- AFL
- AFL Hyperscale
- AFW Technologies
- AGILTRON
- Aistana
- AKELA Laser Corporation
- Albis Optoelectronics
- Alcon Technologies Inc.
- Alluxa
- Alpha Laser
- ALPHALAS
- ALPhANOV
- Alpine Research Optics
- ALTECHNA
- Amax Precision Optic Sdn Bhd
- American Photonics
- American Polarizers, Inc.
- American Precision Glass Corp.
- Amerifiber Inc.
- AMETEK, Precitech Inc.
- Amphenol Corporation
- Ams AG
- Ams OSRAM
- AMS Technologies AG
- Analog Devices
- Analog Module Inc.
- Andor Technology
- Anritsu Corporation
- Anton Paar
- APE Angewandte Physik & Elektronik GmbH
- Aperture Optical Sciences Inc.
- Apex Technologies
- Apollo Optical Systems Inc.
- Appletec
- Applied Image, Inc
- APPLIED OPTICS, INC
- Applied Optoelectronics
- Aragon Photonics
- ARC Electronics
- Arden Photonics
- Areté Associates
- Argyle International, Inc.
- Arroyo Instruments
- Art photonics GmbH
- Artemis Optical Ltd.
- Artifex Engineering GmbH & Co. KG
- Asahi Spectra
- Ascentta, Inc.
- Asphericon
- Automation Technology GmbH
- Avantes
- Aven, Inc
- Avesta Ltd.
- Avtech Electrosystems Ltd
- Axetris AG
- Azur Light Systems
- Azur Space
F
- FIFO OPTICS CO., LTD
- FLT INC
- Feinwerkoptik Zünd AG
- FiberBridge Photonics GmbH
- Fibercom Ltd.
- Fibercryst
- Fiberinthebox
- Fiberise.
- Fiberlabs Inc
- FiberLogix
- Fibernet-tech
- Fiberon Technologies Inc
- FIBERPRO, Inc.
- Fibertronics Inc.
- Fibotec
- FICHOU
- FILAR - Opto Materials
- First Sensor
- FiSens GmbH
- Flip Chip Opto
- Fluence Technology
- FluxLight Incorporated
- FrankFurt Laser Company
- Freedom Photonics
- Fresnel Technologies, Inc
- Furukawa Electric
- Fyla
E
- Eaton
- Eblana Photonics
- EdgeWave
- Edinburgh Instruments
- Effect Photonics
- Egismos Technology Corporation
- El.En.
- ELas educational Lasers
- Electro-Optic Devices
- Electro Optical Components
- Elforlight
- ELI Beamlines
- Elliot Scientific
- ELUXI Ltd
- EMCORE Corporation
- Emergent Vision Technologies, Inc.
- EMP-Centauri s.r.o
- Energetiq Technology
- Enlight Technologies
- EPIGAP Optronic
- Epolin
- ERLAS Erlanger Lasertechnik
- ERP Power
- Esco Optics, Inc
- ET Enterprises
- EURECA Messtechnik
- Eurolan Ltd.
- Everlight Americas
- Excelitas Technologies
- Extech Instruments Division
- Exum Instruments, Inc
- EZconn Czech
I
- Industrial Fiber Optics, Inc.
- IB Photonics
- Ibsen Photonics
- ID&T
- IDIL Fibres Optiques
- Image Science Ltd
- Imagine Optic
- Impex HighTech
- IMRA America, Inc
- Infineon Technologies AG
- Infinera Corporation
- Inneos
- InnoLas Photonics
- Innolume
- Innoptics
- Innovative Fabrication, Inc
- Innovavent
- InPhenix
- Inrad Optics Inc.
- Instrument Systems
- Integra Optics
- Integrated Compound Semiconductors (ICS)
- Integrated Optics
- Intense Limited
- InterTest, Inc.
- Intor, Inc.
- IntraAction Corp.
- Ios™ Optics
- Industrial Optics Unlimited
- IRD Glass
- IRflex Corporation
- IRIDEX
- IRsweep
- IS Instruments
- ISOCOM Limited
- ISOMET
- ISTEQ
- ISVI Corp.
- ITF Technologies
- IXblue Photonics
- Izovac Ltd.
K
- Keopsys by LUMIBIRD
- Kern Technologies
- Keyence 基恩士
- Keysight Technologies
- Kimmon Koha
- Kingbrightusa
- Kingfisher International
- Kingsview Optical
- Karl Lambrecht Corporation
- Knight Optical (UK) Ltd
- Knowles
- KODENSHI
- Koheron
- Kohoku Kogyo
- Kokyo
- KOMLAS Optische Komponenten und Lasersysteme
- Korea Optron
- Kreischer Optics, Ltd.
- KS Photonics
- KVANT
M
- Maier Photonics, Inc.
- MAPIR, Inc
- Mark Optics
- Marktech Optoelectronics
- Matrix Global Networks Ltd
- Maxim Integrated
- MaxLinear
- Meadowlark Optics, Inc.
- MEDIT INC
- Mega Watt Lasers
- Meller Optics, Inc
- Menhir Photonics
- Menlo Systems
- MeshTel
- Meuser Optik GmbH
- Micro-Epsilon
- Micro-Optics
- Microchip Technology
- MICROS Optics GmbH & Co. KG
- Microsemi Corporation
- Micross Components
- Midwest Optical Systems, Inc.
- Mitsubishi Electric
- Mlase
- MOGLABS
- Molecular Technology GmbH
- Molex Incorporated
- Monport
- MONSTR Sense Technologies
- Montfort Laser
- MORITEX Corporation
- Moulded Optics GmbH
- Mountain Photonics GmbH
- MOXTEK, Inc
- MPB Communications
- MSP Aviation Inc
- Microtech Instruments
- Muquans
- MWTECHNOLOGIES
- MKS | Newport
- MKS | Ophir