Tetra Networks
Tagus House, 9 Ocean Way, Southampton, Hampshire, SO14 3TJ
Network Digital Communications
3-5 Thornhill Park Road, Southampton, Hampshire, SO18 5TP
Tribe Telecommunications Group Ltd
1 Pirelli Way, Eastleigh, Hampshire, SO50 5GE
Invosys
Threefield House, Threefield Lane, Southampton, Hampshire, SO14 3LP
Fibre Telecoms UK
Unit 71 Basepoint Enterprise Centre, Southampton, Hampshire, SO14 5FE
Ash Wireless Electronics Ltd
Leornain House, Kent Road, Southampton, Hampshire, SO17 2LJ
Maritime Telecommunications Network Inc
Unit 7 Fulcrum 4, Solent Way, Whiteley, Whiteley, Fareham, Hampshire, PO15 7FT
Yo Telecom Limited
1 & 2 Melbourne St, Southampton, SO14 5FB
R & S Communications
12 Sandpiper Close, Marchwood, Southampton, Hampshire, SO40 4XN