| Colin Young Design Services Ltd | 0141 581 5008 | | 7 Garnie Avenue, Erskine, PA8 7BE |  Map & Directions |
| Clyde Electrical Services | 01475 631274 | | 53 Kempock Street, Gourock, PA19 1NF | | Map & Directions |
| Alistair Conner | 01369 702064 | | 3a Hunter Street, Kirn, Dunoon, PA23 8DZ | | Map & Directions |
| A B S Electricians | 0141 887 9280 | | 1 Balgair Drive, Paisley, PA1 3TJ | | Map & Directions |
| A Mirrlees | 01369 860408 | | 3 Swedish Houses, Strachur, Cairndow, PA27 8DJ | | Map & Directions |
| Ecosse Services Ltd | 01475 731174 | | 15 Watt Street , Greenock, PA16 8JN | | Map & Directions |
| Laplace Electrical | 01505 351094 | | Unit 10a Vulcan Works, Floors Street, Johnstone, PA5 8QS | | Map & Directions |
| G D Chalmers Ltd | 0141 889 6233 | | 101 Neilston Road, Paisley, PA2 6ES | | Map & Directions |
| Delta Calibration | 0141 849 6006 | | 1 Sandyford Road, Paisley, PA3 4HP | | Map & Directions |
| National Semiconductor Ltd | 01475 633733 | | Larkfield Industrial Estate, Greenock, PA16 0EQ | | Map & Directions |
| Minebea Electronics (UK) Ltd | 0141 271 7000 | | 32 Fountain Drive, Inchinnan, Renfrew, PA4 9RF | | Map & Directions |
| Suregood Electrics | 01369 860747 | | Mo-Dachaig, Strachur, Cairndow, PA27 8DG | | Map & Directions |
| Ian Brown | 01951 200226 | | 4 Glen Oran, Scalasaig, Isle Of Colonsay, PA61 7YW | | Map & Directions |
| Nortech Electrical Ltd | 0141 810 5565 | | 28 Meadowside Street, Renfrew, PA4 8SY | | Map & Directions |
| A J Cable Jointing Ltd | 0141 847 1001 | | St. James Business Centre, Linwood Road, Junction 29, Linwood, Paisley, PA3 3AT | | Map & Directions |
| Lawries Ltd | 01369 702410 | | 55a Marine Parade, Kirn, Dunoon, PA23 8HF | | Map & Directions |
| William Baxter | 01505 320065 | | Minerva Works, Unit L Miller Street, Johnstone, PA5 8HP | | Map & Directions |
| Cameron Electrical Services | 01700 505014 | | 26 Wyndham Road, Rothesay, Isle Of Bute, PA20 0NR | | Map & Directions |
| Microclean Technologies | 01505 615588 | | 12 Castle Terrace, Bridge Of Weir, PA11 3EF | | Map & Directions |
| Bichard Electrical Systems | 01631 565288 | | 40 Nant Drive, Oban, PA34 4LA | | Map & Directions |
| William Lafferty & Co | 01475 720707 | | 9 Empress Court, St. Andrew Street, Greenock, PA15 4RW | | Map & Directions |
| Power & Generation Services Ltd | 01631 569911 | | Mytella House, 118 Kelvin Street, Oban, PA34 5DR | | Map & Directions |
| Buckeridge Installations | 01700 502479 | | 5 East Princes Street, Rothesay, Isle Of Bute, PA20 9DL | | Map & Directions |
| Francis F Perry | 01505 872577 | | 14 Lochwinnoch Road, St. James Terrace, Kilmacolm, PA13 4HB | | Map & Directions |
| John Mcsporran Ltd | 0141 889 2081 | | 59 Kilnside Road, Paisley, PA1 1RP | | Map & Directions |
| Donald Mackinnon | 01688 302148 | | Ardsorn, Raeric Road, Tobermory, Isle Of Mull, PA75 6PU | | Map & Directions |
| Fields Power Systems Ltd | 01505 359858 | | Yarrow Crescent, Bishopton, PA7 5ED | | Map & Directions |
| Craig Brands Electrical | 01475 727322 | | 15 Watt Street, Greenock, PA16 8JN | | Map & Directions |
| Halliday Electrical | 01475 888440 | | 31 Lynedoch Industrial Estate, Greenock, PA15 4AX | | Map & Directions |
| Halliday Electrical | 01475 888440 | | 9 Terrace Road, Greenock, PA15 1DJ | | Map & Directions |
| Caithness Electrical Contractors Ltd | 0141 887 0949 | | 3 Wellington Street, Paisley, PA3 2JQ | | Map & Directions |
| Oban Electrical Services Ltd | 01631 564203 | | Stevenson Street , Oban, PA34 5NA | | Map & Directions |
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