- Quality Gas Services (Gourock)
- 01475 634777 - 9 Gleneagles Drive, Gourock, Renfrewshire, PA19 1HX
- Scotgas Services
- 07546 501232 - 2 Fearnan Place, Greenock, Inverclyde, PA16 9LZ
- J Wallace Plumbing and Heating
- 07860 565402 - 35 Mallard Crescent, Greenock, PA16 7AY