Couplers
- Advanced Semiconductor Business, Inc. [PTM Corp.]
- Advanced Technical Materials, Inc. [AMT, Inc.]
- Advanced Technical Materials, Inc. [Hi-Technology Trading, Inc.]
- Aeroflex / KDI-Integrated Products [Rikei Corp.]
- AMT, Inc.
- Anaren Microwave, Inc. [Richardson Electronics K.K.]
- Apollo Microwaves, Ltd. [Hi-Technology Trading, Inc.]
- ARRA, Inc. [Shoshin Corp.]
- AWR Japan K.K.
- Bowei Integrated Circuits Co., Ltd. [Hi-Technology Trading, Inc.]
- Channel Microwave Corp. [AET, Inc.]
- Charter Engineering, Inc. [M-RF Co., Ltd.]
- Coleman Microwave Company [Midoriya Electric Co., Ltd.]
- Comcraft Corp.
- Comotech Corp. [PTM Corp.]
- ET Industries [AMT, Inc.]
- Fujitsu, Ltd.
- Fusoh Shoji Co., Ltd.
- G.T. Electronics Corp.
- Hi-Technology Trading, Inc.
- IF Engineering Corp. [Netwell Corp.]
- Innertron Japan Co., Ltd.
- Keycom Corp.
- KJ Comtech Co., Ltd. [Maycom Japan Co., Ltd.]
- Krytar [AMT, Inc.]
- L-3 Communications, Narda Microwave-East [Midoriya Electric Co., Ltd.]
- Lieder Development, Inc. [Hi-Technology Trading, Inc.]
- Link Microtek, Ltd. [Midoriya Electric Co., Ltd.]
- MAJ Co., Ltd.
- Maycom Japan Co., Ltd.
- Mega Industries, L.L.C. [AET, Inc.]
- MESL Microwave, Ltd. [M-RF Co., Ltd.]
- Microlab / FXR [Shoshin Corp.]
- Microwave Development Laboratories, Inc. [Hi-Technology Trading, Inc.]
- Microwave Resources Corp. [AET, Inc.]
- Midoriya Electric Co., Ltd.
- Millimeter Wave Product, Inc. [Hi-Technology Trading, Inc.]
- Mini-Circuits [Mini-Circuits Yokohama, Ltd.]
- Mini-Circuits Laboratory, Inc. [M-RF Co., Ltd.]
- Mini-Circuits Yokohama, Ltd.
- MITEQ, Inc. [Shoshin Corp.]
- MP Device Co., Ltd. [Y･K Co., Ltd.]
- M-RF Co., Ltd.
- Muegge Electronic GmbH [AET, Inc.]
- Netwell Corp.
- Nextec Microwave & RF, Inc. [PTM Corp.]
- Nihon Koshuha Co., Ltd.
- Pasternack Enterprises, Inc. [M-RF Co., Ltd.]
- Penn Engineering Components [AET, Inc.]
- Pilkor Electronics Co., Ltd. [PTM Corp.]
- PTM Corp.
- R & K Co., Ltd.
- RFHIC Corp. [M-RF Co., Ltd.]
- Rikei Corp.
- Sage Laboratories, Inc. [Seki Technotron Corp.]
- SAIREM [AET, Inc.]
- Sangshin Elecom Co., Ltd. [PTM Corp.]
- Sanken Co., Ltd.
- Seki Technotron Corp.
- Shenglu Telecommunication Tech. Co. [MAJ Co., Ltd..]
- Shoshin Corp.
- Skyworks Solutions, Inc. [M-RF Co., Ltd.]
- STC Microwave Systems, Olektron [Seki Technotron Corp.]
- SV Microwave, Inc. [M-RF Co., Ltd.]
- Takitek K.K.
- Tamagawa Electronics Co., Ltd.
- The Ferrite Company, Inc. [Midoriya Electric Co., Ltd.]
- Toko Denshi Co., Ltd.
- Tokyo Keiki, Inc.
- Universal Microwave Technology, Inc. [AMT, Inc.]
- Universal Microwave Technology, Inc. [M-RF Co., Ltd.]
- Vector Telecom PTY, Ltd. [Netwell Corp.]
- Waka Manufacturing Co., Ltd.
- Yokowo Co., Ltd. DS Business Division