4i2i Communications Ltd
4i2i is a leading supplier of semiconductor IP cores, software and board level solutions for video coding, error correction coding and broad-band modems.
http://www.4i2i.com/

Intercell Solutions
Offers email network services with virus protection and spam control, networked biometric time and attendance hardware and software, and bespoke intranet and extranet software development.
http://www.intercellsolutions.com

Level One
Manufacturer of networking equipment covering Routers, Ethernet Switches, IP Cameras, NIC Cards and much much more.
http://www.level-one.co.uk/

Midland Data Networks
Supplies computer networking solutions for business or home use.
http://www.midlanddatanetworks.co.uk/

Pericom plc
Offers IT products and services, including software, cabling, and thin client computing, through a range of divisions.
http://www.pericom.co.uk/