| Achray Photonics | | Manufacturer of optoelectronic packaging solutions and low loss optical switches also offering FEA modeling and design services. |
| Adamant | | Manufacturers passive fibre optics products including ferrules, capillaries, sleeves, connectors, adaptors, convertors, attenuators, glass v-grooves, metalized fibre and pigtails. |
| Advanced Photonix, Inc. | | Manufactures PIN and Avalanche photodiodes. API offers standard and custom hybridized packages, pcb assembly, and optoelectronic integration. Including arrays, Filtrode, IrDA, high speed photodetectors, and VCSEL monitoring diodes. |
| Aegis Electronic Group | | Stocking distributor of imaging products for industrial and machine vision, including cameras and lenses. Site lists represented companies and product lists. |
| Aelis Photonics | | Develops adaptive optical equalization products for optical networks. |
| APA Optics, Inc. | | Develops, designs and fabricates components and systems for the fiber optic communications, optoelectronics and laser industries. Overview, history, facilities, employment opportunities, contact information. |
| Apac Opto Electronics Inc. | | Manufactures components for fiber optic and wireless communication industries. Product line comprises selection of electro-optic and transreceiver modules. Site incorporates displayed and downloadable technical details. From Taiwan. |
| ASAS GmbH | | Manufacturer of infrared sensors, communication systems and components for traffic, automation and conveyors. |
| Associated Opto-electronics | | Manufacturer, sales of semiconductor laser, diodes, detectors, fiber communication modules and other Opto-electronic products. |
| Avalon Photonics Ltd. | | Develops and manufacture semiconductor high speed vertical cavity surface emitting laser (VCSEL) arrays and other optoelectronic products. From Switzerland. |
| Bentham | | Manufacture systems used in the study and measurement of light. |
| Biolitec AG | | Developer and manufacturer of diode lasers, optical fibres and accessories. |
| Bookham Technology | | Manufactures integrated optical components in silicon via ASOC: transceiver modules and receivers, DWDM and sensor applications. |
| BPA Consulting Ltd | | A venture capital, private equity and corporate investor with technology and market presents in the field of electronics and optoelectronic hardware. |
| Cal Sensors Inc. | | Manufacturer of stock and customized infrared detectors (PbS and PbSe), multi-color arrays, mini infrared sources, cap/window assemblies, gas cell kits. |
| CARCO Proprietary Limited | | Manufactures infra-red sensors for adaptive defrost controls, wing ice detectors, windshield rain, frost, snow, ice, moisture and ambient light sensors applications. Patented "control apparatus" and "ice and liquid detector". |
| Centro Vision Inc. | | Manufacturer of photodiodes and related opto-electronics for OEM, medical instrumentation, aerospace and defense, industrial controls, scientific instrumentation, telecommunications and semiconductor equipment. |
| Clairex Technologies, Inc. | | Manufacturers of a broad standard line of IREDs, LEDs, photoconductors, phototransistors, photodarlingtons, photo-ICs, photointerrupter assemblies, optocouplers, arrays, and hybrids. |
| CyOptics Inc. | | Manufacturing of 10Gbps and 40Gbps stand-alone devices, as well as hybrid super components. |
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