- 1A A1 Tradesmen
- 01224 695515 - 6 Strathmore Drive, Aberdeen, Aberdeenshire, AB16 6SU
- 1st Class Gas
- 0870 7565973 - Unit 12-13, Murcar Commercial Park, Denmore Road, Bridge Of Don, Aberdeen, Aberdeenshire, AB23 8JW
- Aberdeen Boiler Services
- 01224 821296 - 14 Silverburn Place, Aberdeen, Aberdeenshire, AB23 8EG
- DC Matheson
- 0845 3474095 - 2 Fraser Street, Inverness
- Westergas
- 01445 731695 - 14 Mellon Charles, Mellon Charles, Aultbea, Achnasheen, Ross-Shire, IV22 2JN
- The Gas Centre
- 01382 877077 - 153 Clepington Road, Dundee, Angus, DD3 7SN
- Gas Services East Ltd
- 01382 812568 - Unit C, 6 North Isla Street, Dundee, Angus, DD3 7JQ
- Graham Smith Gas Services
- 0870 8147739 - 27 Emma Street, Blairgowrie, Perthshire, PH10 6NT
- W R B
- 01382 200090 - 40 North Street, Dundee, Angus, DD3 7RR
- C and C Gas Services
- 0800 9530020 - 72, Bonnington Mill Business Centre Newhaven Road, Edinburgh, EH6 5QG
- C & C Gas Services
- 0131 4672877 - Bonnington Mill Business, 72 Newhaven Road, Edinburgh, EH6 5QG
- C & C Gas Services
- 0131 4679929 - 50 Polwarth Crescent, Edinburgh, EH11 1HL
- J Carlisle Electrician & Plumber
- 0131 3377521 - 165 Gorgie Road, Edinburgh, EH11 1TJ
- Complete Heat (Scotland)
- 0845 7581083 - Main Street, Crossgates, Cowdenbeath, Fife, KY4 8DH
- Currie Gas Service
- 0131 4766354 - 106 Nether Currie Crescent, Currie, Midlothian, EH14 5JQ
- Colin Dickson
- 01896 823123 - Penwood Mid Ho Byres, Gattonside, Melrose, Roxburghshire, TD6 9NP
- A Dunn
- 0131 6637292 - 6a Lothian Street, Bonnyrigg, Midlothian, EH19 3AD
- A Dunn
- 0131 6637292 - 59 Hadfast Road, Cousland, Dalkeith, Midlothian, EH22 2NZ
- Fife Gas Services
- 01383 510250 - Old Court Main St, Hill Of Beath, Cowdenbeath, Fife, KY4 8DP
- The Gas Centre
- 01592 716189 - 40 College Street, Buckhaven, Leven, Fife, KY8 1JY
- Gasglow
- 01506 435948 - Turnbull Wy, Livingston, West Lothian, EH54 8RB
- Gilhooley & Rowse Ltd
- 0131 4404471 - 92 Clerk Street, Loanhead, Midlothian, EH20 9RB
- J F D Utility Services
- 01506 653555 - Unit 1, Whiteside Industrial Estate, Bathgate, West Lothian, EH48 2RX
- Kitgas
- 01368 862451 - 31 Kirk Park, Dunbar, East Lothian, EH42 1BJ
- Lowland Gas
- 01750 23054 - Wellwood Filling Station Ettrick Terrace, Selkirk, Selkirkshire, TD7 4HF
- Lowland Gas
- 01750 22160 - Selkirk, Selkirkshire, TD7 4JS
- Vulcan Gas Services
- 0131 6217080 - 39 Moredun Dykes Road, Edinburgh, EH17 8PT
- P Ward Gas Services
- 01450 372472 - 14 Oliver Crescent, Hawick, Roxburghshire, TD9 9BQ
- West Calder Gas Services
- 01506 872251 - 22 Society Pl, West Calder Workspace, Society Place, West Calder, West Lothian, EH55 8EA
- World of Gas
- 0131 5533936 - 360-362 Leith Walk, Edinburgh, EH6 5BR
- Ep Gas
- 0141 5701706 - 25 Rannoch Drive, Glasgow, Uk, G61 2JJ
- Gas Man, The
- 0141 4342652 - 962 Crow Rd Nth, Glasgow, G13 1JF
- Gasline
- 0141 3342067 - 147 Crow Road, Glasgow, G11 7SJ
- Hannah & Howie Ltd
- 01236 737414 - 26 Tollpark Road, Wardpark East, Cumbernauld, Glasgow, G68 0LW
- Harper Gas Services
- 01505 340344 - 18 Craighead Road, Bishopton, Renfrewshire, PA7 5DT
- Independent Quality Assurance
- 0141 8405256 - 101 Abercorn St, Paisley, Renfrewshire, PA3 4AT
- Alternagas
- 01389 726797 - 9 Castle Street, Dumbarton, Dunbartonshire, G82 1QS
- Annandale Gas Services
- 01461 202191 - Mill Park Crescent, Annan, Dumfries And Galloway, DG12 5HY
- Assured Heating Ltd
- 01698 849051 - 13 Ashley Grove, Bellshill, Lanarkshire, ML4 3PL
- Environmental & Gas Monitoring
- 01563 820444 - Unit 5 Barrmill Rd, Kilmarnock, KA4 8HH
- Falkirk Gas Services
- 01324 633133 - 9 Windsor Avenue, Falkirk, Stirlingshire, FK1 5HH
- Gas Solutions
- 01698 383377 - Solutions Ho Hazelwood, Wishaw, Lanarkshire, ML2 8XZ
- Johnstone & Clark St Mary's Industrial Est
- 01387 267211 - St Marys Industrial Estate, Dumfries, Dumfries And Galloway, DG1 1NE
- D Maclean Heating
- 01631 564220 - 7 Angus Terrace, Oban, Argyll And Bute, PA34 4EG
- Ben Nicholson Fireplaces
- 01387 269700 - 38 Terregles Street, Dumfries, Dumfries And Galloway, DG2 9AS
- Quality Gas Services (Gourock)
- 01475 634777 - 9 Gleneagles Drive, Gourock, Renfrewshire, PA19 1HX
- J D Gas Services
- 0141 7752007 - Dean Park, Washington Road, Kirkintilloch, Glasgow, Lanarkshire, G66 1DP
- BOILER ENGINEERING LTD
- 01461 202242 - Westerhill, Annan, Dumfries And Galloway, DG12 6SA
- Thomex
- 07966 138446 - 7 Upperby Rd, Carlisle, Cumbria, CA2 4HU
- Thistleheat
- 0131 3126208 - 77 Craigcrook Avenue, 33, EH4 3PS
- Seton Engineers
- 01875 811651 - Seton Gardens, Lochniddry, East Lothian, EH32 0PG
- O'neil Gas Services
- 01292 619799 - 55 Green Street, Ayr, Ayrshire, KA8 8BQ
- Brock Gasfitters
- 0131 6660848 - 11 Moredun Park Drive, Edinburgh, EH17 7ER
- D.r Gas Services
- 01467 633977 - 17 Castlefields Crescent, Kintore, Aberdeenshire, AB51 0SG
- Gastex
- 0141 8844208 - 39 Braids Crcl, Paisley, PA2 6HS
- Centec
- 0845 2633831 - 14 St Margret Wynd, Dunfermline, KY12 0UT
- Alba Gas Services Ltd.
- 0141 5614610 - 74 Fauldshead Rd., Renfrew, Scotland, PA4 0RU
- Electric Central Heating
- 0141 9440440 - Unit 51, Dalsetter Avenue, Glasgow, G15 8TE
- M D Heating Ltd
- 0141 6361093 - 28 Westwood Road, Glasgow, Lanarkshire, G43 1DS
- West Coast Gas Services
- 01475 529111 - 9 Sandhaven Place, Inverkip, Greenock, Renfrewshire, PA16 0FE
- H Dorby Service Engineers
- 01563 524310 - 48 Mclelland Drive, Kilmarnock, Ayrshire, KA1 1SE
- Mains Gas Services
- 0845 8151000 - 16 Gollanhead Avenue Rosemarkie, Fortrose, IV10 8UG
- E.p.r Heating Specialists Ltd
- 01698 749800 - 750b Old Edinburgh Rd, Glasgow, Lanark, G71 6LB
- Platinum Heating Services
- 03145 40224 - 33 Wolsey Avenue, Bonnyrigg, Midlothian, EH19 3LU
- Bourne Gas Services
- 0845 6432120 - Knocksculloch, Girvan, KA26 9PZ
- C.e.s (scotland) Ltd
- 0845 0944280 - 4 Willowbank, Ladywell, Livingston, West Lothian, EH54 6HN
- James Cormack
- Edenhall Road, Musselburgh, East Lothian, EH21 7NR
- City Gas Solutions
- 0131 6648927 - 168 The Murrays Brae, Edinburgh, Midlothian, EH17 8UH
- De Fumo Gas Services
- 01387 267379 - Ronsville, Gasstown, Dumfries, DG1 3JP
- Moray Firth Heating Services
- 07876 996198 - 23 Moray Park Terrace, Culloden, Inverness, IV2 7RQ
- Scotgas Services
- 07546 501232 - 2 Fearnan Place, Greenock, Inverclyde, PA16 9LZ
- Katy Thomson
- 50, Edinburgh, Edinburgh, EH12 8TB
- P B Gas Solutions
- 07772 377356 - 23 Claremont Park, Edinburgh, Midlothian, EH6 7PJ
- Gas Elite
- 07590 033630 - 82 Charleston Drive, Dundee, DD2 2HA
- De Fumo Gas Engineers
- 01387 267379 - Ronsvilla, Gasstown, Dumfries, Dumfriesshire, DG1 3JP
- Kd Court Plumbing And Heating
- 01862 871157 - Mosscottage, North Cadboll, Tain, Ross-shire, IV20 1TN
- Comgas Ltd.
- 0845 0509260 - 4 Inglis Green Rigg, Edinburgh, Lothian, EH14 2LF