Advanced Electronics Technology Associates, Inc. [AET, Inc.]
Advanced Technical Materials, Inc. [Hi-Technology Trading, Inc.]
Aerotek Co., Ltd. [Hi-Technology Trading, Inc.]
AET, Inc.
American Technical Ceramics Corp. [Fusoh Shoji Co., Ltd.]
AMT, Inc.
AmTechs Corp.
Apollo Microwaves, Ltd. [Hi-Technology Trading, Inc.]
ASB [PTM Corp.]
ATI (Advanced Technology, Inc.)
Charter Engineering, Inc. [M-RF Co., Ltd.]
Chronix, Inc.
Coleman Microwave Company [Midoriya Electric Co., Ltd.]
Comotech Corp. [PTM Corp.]
Cornes Dodwell, Ltd.
DiTom Microwave, Inc. [Sogo Electronics, Inc.]
Dorado International Corp. [PTM Corp.]
Emerson & Cuming Microwave Products, Inc. [M-RF Co., Ltd.]
Farad Corp.
Florida RF Labs. [Fusoh Shoji Co., Ltd.]
Fusoh Shoji Co., Ltd.
G.T. Electronics Corp.
Herotek, Inc. [Sogo Electronics, Inc.]
Hi-Technology Trading, Inc.
HXI, L.L.C. [Hi-Technology Trading, Inc.]
Innertron Electronics Co., Ltd.
Komine Musen Denki Co., Ltd.
L-3 Communications, Narda Microwave-East [Midoriya Electric Co., Ltd.]
Meca Electronics， Inc. [U.S. Hi-Tech Industries Japan Corp.]
MESL Microwave, Ltd. [M-RF Co., Ltd.]
Microwave Technology Corp. [Sogo Electronics, Inc.]
Midoriya Electric Co., Ltd.
Millimeter Wave Product, Inc. [Hi-Technology Trading, Inc.]
MPD Device Co., Ltd. [Y･K Co., Ltd.]
M-RF Co., Ltd.
Muegge Electronic GmbH [AET, Inc.]
Murata Manufacturing Co., Ltd.
Netwell Corp.
Nextec Microwave & RF, Inc. [PTM Corp.]
Nihon Koshuha Co., Ltd.
Orient Microwave Corp.
Passive Microwave Technology [Farad Corp.]
Pasternack Enterprises, Inc. [M-RF Co., Ltd.]
PTM Corp.
Quinstar Technology, Inc. [Sogo Electronics, Inc.]
Raditek International, Inc. [Hi-Technology Trading, Inc.]
RADITEK INTERNATIONAL INC., [SYSTEC RESEARCH INC.,]
R.F. Hitec, Inc. [PTM Corp.]
RF Micro Devices, Inc. [Midoriya Electric Co., Ltd.]
Rikei Corp.
Sangshin Elecom Co., Ltd.PTM Corp.]
Sanken Co., Ltd.
Scientific Microwave Corp. [Vega Technology, Inc.]
Seki Technotron Corp.
Shoshin Corp.
Sonoma Scientific, Inc. [Netwell Corp.]
STC Microwave Systems, Arizona (旧 Signal Technology Corp. Arizona) [Seki Technotron Corp.]
Summitek Instruments, Inc. [Seki Technotron Corp.]
Takitek K.K.
Terabeam / HXI -A Division of Terabeam, Inc. [M-RF Co., Ltd.]
The Ferrite Company, Inc. [Midoriya Electric Co., Ltd.]
The Ferrite Components, Inc. [AET, Inc.]
Toko Denshi Co., Ltd.
U.S. Hi-Tech Industries Japan Corp.
Universal Microwave Technology, Inc. [AMT, Inc.]
Vega Technology, Inc.
Yokowo Co., Ltd.