Photonics supply chain map: This covers most of the photonics supply chain. 1. Raw Materials - Corning - Nippon Chemical Industrial 2. Substrates - Shin-Etsu Chemical - Sumitomo Electric Industries - JX Advanced Metals Corporation - AXT Inc. - AGC Inc. - Soitec - Nippon Electric Glass - 5N Plus - JNTC Co. - Planoptik AG - GlobalWafers 3. Epitaxy - IQE plc - IntelliEPI Inc. - Visual Photonics Epitaxy Co. - Landmark Optoelectronics Co. - VIGO Photonics S.A. 4. Networking & Connectivity - Broadcom - Cisco Systems - Arista Networks - Marvell Technology - Astera Labs - Ciena - NTT - TE Connectivity - Credo Technology - Celestica - Huber Suhner AG - Macom Technology - Nokia - Semtech - Furukawa Electric Co. - Amphenol 5. Laser & Components - Mitsubishi Electric - Coherent Co. - Lumentum Holdings - WIN Semiconductors - Hamamatsu Photonics - Nisshinbo Holdings - Sivers Semiconductors - QD Laser - Lightwave Logic 6. Silicon Photonics Foundry - Intel Co. - Taiwan Semiconductor Manufacturing Co. - GlobalFoundries - United Microelectronics Co. - Tower Semiconductor - STMicroelectronics 7. Optical Engines - Aeluma - Ayar Labs - POET Technologies 8. Transceivers & Modules - Zhongji Innolight Co. - Jabil - Fabrinet - Flex Ltd - Luxshare Precision Industry Co. - Applied Optoelectronics - Maxlinear - Browave Co. - PCL Technologies - FOCI 9. Test & Packaging - ASE Technology Holding - BE Semiconductor Industries - Keysight Technologies - Teradyne Inc. - Cohu Inc. - Aehr Test Systems - ShunSin Technology - Msscorps Co. - Ibiden - Santec Holdings Co. - Amkor Technology 10. Equipment & Tools - ASML Holding N.V. - Lam Research - Applied Materials - KLA Co. - Cadence Design Systems Inc. - Disco Co. - MKS Inc. - Onto Innovation - Camtek - Synopsys - Photronics - Philoptics - Riber SA - Veeco Instruments - AIXTRON SE - Viavi Solutions