Gas - Companies in Cardiff, South Glamorgan
| Name & Address | Phone # | Website |
| British Gas Moving Home Helmont House, Cardiff, South Glamorgan CF10 2NB | 0845-609 1133 |  |
| Connect Ocean Pk House, Cardiff, South Glamorgan CF24 5GT | 029 20304040 |  |
| Utility Grid Installations Mount Stuart House, Cardiff, South Glamorgan CF10 5FQ | 029 20435320 | |
