Businesses listed in this area — updated 2026
Northland Gas
Londonderry
Triex Limited
Coleraine
Faughan pumping station
Londonderry
William Gillen
Londonderry
Foyle Gas Ltd
Londonderry
Smart Save Ultilties Limited
Londonderry
Cedel Communications
Londonderry
NI Water
Londonderry
BizVoIP
Londonderry
Sendmode
Londonderry
The VOIP Department
Coleraine
Causeway Telecom Ltd
Coleraine
Telecom Group NI
Coleraine
Budget Energy
Londonderry
North West Gas
Coleraine
Mc Ginleys Oil
Londonderry
Share Energy
Catalyst
Click Energy
Londonderry
Sperrin Gas
Londonderry
FTZ Telecoms
Londonderry
We rank utilities & energy in Co. Derry by customer rating. None has enough ratings yet — be the first to review one and help others find the best.
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