The following major organizations are all users of MULTIPLE CKT systems:
USA/Canada
- The Boeing Company
- Lockheed Martin
- Northrop Grumman
- Raytheon
- IBM
- General Dynamics
- US Army
- US Air Force
- US Navy
- W.L. Gore
- 3M
- Cray Research
- Labinal
- NASA/JPL
- General Electric
- United Launch Alliance
- C&D Zodiac
- GE Engine Services
Europe
- Airbus
- EADS
- Alenia
- Ansaldo
- BAE
- SABCA
- Short Brothers
- TEST-FUCHS
- Raytheon
- Safran-group
- Astrium
- British Aerospace
- Eurocopter
- Rolls Royce
Asia
- Mitsubishi Heavy Industries
- Hitachi
- Hyundai
- NEC
- Korea Aircraft Industries
- Samsung
- Fujitsu
- Airbus
- Fuji Heavy Industries
- Sumitomo
