| Highland Plumbing & Caithness Gas | 01955 605124 | | 8-10 Louisburgh Street, Wick, KW1 4BY |  Map & Directions |
| William Shearer | 01856 873133 | | 5 George Street, Kirkwall, KW15 1PW | | Map & Directions |
| Alton B Copland | 01856 771479 | | Overhouse, Harray, Orkney, KW17 2JR | | Map & Directions |
| David Gordon | 01431 821473 | | 2 Sutherland Street, Helmsdale, KW8 6LQ | | Map & Directions |
| S Rorie | 01856 831474 | | Grimness, St. Margarets Hope, Orkney, KW17 2TQ | | Map & Directions |
| Forss Engineering | 01847 861317 | | Rosedean, School Place, Forss, Thurso, KW14 7XX | | Map & Directions |
| S & J Plumbing & Electrical | 01856 850810 | | 16 North End Road, Stromness, KW16 3AG | | Map & Directions |
| J G Bremner | 01847 895544 | | 59 Street Andrews Drive , Thurso, KW14 8QB | | Map & Directions |
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