Optoelectronic Components / Fiber Optics
- Admotech Inc.
- Advanced Semiconductor Business, Inc. [PTM Corp.]
- AMT, Inc.
- Centellax, Inc. [PTM Corp.]
- CORNES DODWELL LTD.
- Emcore Broadband [M-RF Co., Ltd.]
- L-3 Communications, Narda Microwave-East [Midoriya Electric Co., Ltd.]
- Linear Photonics, L.L.C. [Micro Wave Factory Co., Ltd.]
- Midoriya Electric Co., Ltd.
- MITEQ, Inc. [Shoshin Corp.]
- M-RF Co., Ltd.
- Pasternack Enterprises, Inc. [M-RF Co., Ltd.]
- Photline Technologies [CORNES DODWELL LTD.]
- PTM Corp.
- RF Micro Devices, Inc. [Midoriya Electric Co., Ltd.]
- Shoshin Corp.
- Spinner GmbH [Shoshin Corp.]
- Stack Electronics Co., Ltd.
- Takitek K.K.
- Tamagawa Electronics Co., Ltd.