Hardware:
- Advanced Power Technologies, Inc.
- Agilent Technologies
- Antenex
- American Council of Engineering Companies
- American Technical Ceramics
- Ameritron
- Antenna Measurement Techniques Association
- Ansoft
- Arrow Electronics
- Avant
- Bird Electronics
- Belden
- Bird Electronics
- California Eastern Laboratories
- Coilcraft
- Dataq Instruments
- Digi-Key
- DowKey Microwave Corporation
- Electro-tech Systems
- Engineering Information
- Focus Microwaves
- Fractus
- FURONG Antenna factory
- GARMIN International
- Gateway 2000
- GlobalSpec
- Hewlett - Packard
- Hittite Microwave Corporation
- Inductors
- JoHnson Components
- Linear Technology
- Maximum Solutions
- Merrimac Industries, Inc.
- Meyers Engineering International
- MiniCircuits
- Motorola
- muRata
- National
- Newark Electronics
- NovaCap
- Pegasus Technologies
- PHASETEK- RF Components Catalog
- PHYTEC
- Pico Electronics
- Reychem
- Raytheon Company
- Reliance
- RF Micro-Devices
- Star Core
- Texas Instruments
- Testmart
- Times Fiber Communications
- Toyon Research Corporation
- TTI
- UltraLife Battaries
- Varian
- Vectronics
- Vicor
- Walker Scientific, Inc.