- Smiths Detection Inc.
- Security Electronic Equipment Co. Ltd.
- L-3 Communications Holdings Inc.
- Rapiscan Systems
- OSI Systems Inc.
- Analogic Corporation
- Nuctech Company Limited
- Axis Communications AB
- Bosch Security Systems Inc.
- Panasonic Security Systems Inc.
- Tyco International PLC
- IndigoVision Group PLC
- Nice Systems Inc.