Telecommunications Services in Watford, Hertfordshire
| Name & Address | Phone # | Website |
| Commsworld Etc 120 Whippendell Road, Watford, Hertfordshire WD18 7ND | 01923 800603 |  |
| Gridcom (UK) Ltd Claremont House, Watford, Hertfordshire WD18 8TR | 01923 831000 | |
| National Business Communications Unit 16/Empire Centre, Watford, Hertfordshire WD24 4YH | 01923 228219 |  |
