Telecommunication systems, integrated services digital network (ISDN) - Suppliers in the UK

The UK's leading business search engine has found 71 suppliers in the the UK.

Regional Breakdown

Region	Total
London Postal	3
Greater London (excluding London Postal)	8
South East (excluding all London)	13
South West & Wales	10
Midlands	5
East	12
North West & Northern Ireland	11
North, North East & Scotland	9