- C P C Heating Environmental Services
- 020 82249001 - 14a Castle Parade, Ewell By Pass, Epsom, Surrey, KT17 2PR
- Comfoot Flooring
- 01379 688015 - Walnut Tree Redgrave Rd, South Lopham, IP22 2HN
- Multi Heat/Multi Marketing Services
- 0870 7565973 - Stanningley Rd, Leeds, LS13 4EP
- Gratton
- 0161 4342203 - 122 Burton Rd, Manchester South, M20 1LP
- Fepcare
- 0141 7794455 - 194 Cumbernauld Road, Chryston, Glasgow, G69 9NB
- Reid Underfloor Heating (scotland) Ltd
- 0141 8804443 - 8 Hillside Grove, Glasgow, East Renfrewshire, G78 1HB
- Thermatic Maintenance
- 0141 4141412 - Park La Ho, 47 Broad Street, Glasgow, G40 2QW
- Thermsaver
- 01698 327997 - 1 Croftbank Crescent, Uddingston, Glasgow, G71 7JD
- Vencel Resil Ltd
- 0870 8147739 - 150-160 East Wellington Street, Glasgow, G31 5HD
- Weber & Broughton
- 0141 4450121 - Alexander Stephen Ho, 91 Holmfauld Road, Glasgow, G51 4RY
- Mar Plumbing And Heating
- 07709 546276 - 74 Currie Street, Glasgow, Lanarkshire, G20 9ET
- Derry City Council Environmental Services
- 0800 512012 - Londonderry, County Londonderry, BT48 7AA
- Warmflow Engineering
- 028 92621515 - Lissue Indust Est Moira Rd, Lisburn, BT28 2RB
- Thomas Allan & Sons Ltd
- 01877 330012 - Unit 5, Lagrannoch Industrial Estate, Callander, Perthshire, FK17 8LD
- David Baxter
- 01698 793444 - 15 Argyle Street, Stonehouse, Larkhall, Lanarkshire, ML9 3LL
- Best Recruitment
- 01294 313171 - 20 Eglinton Street, Irvine, Ayrshire, KA12 8AS
- Cameronaire Enviromental
- 01698 464321 - Willow Ho Kestrel Vw, Strathclyde Business Park, Bellshill, Lanarkshire, ML4 3PB
- Central Convertors
- 01786 814033 - Unit 3, Bandeath Industrial Estate, Throsk, Stirling, Stirlingshire, FK7 7NP
- Connect Uk Plumbing & Heating Ltd
- 01294 464999 - 6 Glencairn Gardens, Stevenston, Ayrshire, KA20 3WG
- John Cullen
- 01324 713763 - Old Church S Craigs Rd, Rumford, Falkirk, Stirlingshire, FK2 0SF
- Ian Dunlop Heating And Plumbing
- 01387 811423 - 18 Mossvale, Dumfries, Dumfriesshire, DG11 1QB
- J.M Gillies
- 01631 565636 - Unit 6, Tweedmill Soroba Rd, Oban, Argyll And Bute, PA34 4JF
- A Gilmour
- 01698 791090 - 37 Kane Place, Stonehouse, Larkhall, Lanarkshire, ML9 3NR
- H & V Commissioning Services Ltd
- 01563 821991 - 16 Barrmill Road, Galston, Ayrshire, KA4 8HH
- David Hainey & Co
- 01292 265187 - 17 Marchfield Road, Ayr, Ayrshire, KA8 8PN
- Heatwise
- 01563 574500 - Block 9 Unit 1 Glencairn Indust Est, Kilmarnock, Ayrshire, KA1 4BD
- H D Howden Ltd
- 01698 573100 - 10-12 Belgowan Street, Bellshill Industrial Estate, Bellshill, Lanarkshire, ML4 3NS
- Stuart Kennedy
- 01387 268852 - 14 Hillview Place, Dumfries, Dumfries And Galloway, DG1 4DU
- E King Plumbing & Heating Ltd
- 01786 473714 - Unit 5, Phoenix Industrial Estate, Kerse Road, Stirling, Stirlingshire, FK7 7SG
- Donald Kirsop
- 01688 302107 - Carraig Victoria St, Tobermory, Isle Of Mull, PA75 6PH
- John L McLellan
- 59 Main Street, Prestwick, Ayrshire, KA9 1JN
- Donald C McRobert
- 01387 730250 - Millbank, Lochfoot, Dumfries, Dumfries And Galloway, DG2 8NN
- Microcom Training
- 01236 748880 - Victoria Business Cntr Rochsolloch Rd, Airdrie, Lanarkshire, ML6 9BG
- Morland & Martin
- 01324 625924 - Falkirk, FK2 3NJ
- John Murray Plumber
- 01700 503876 - 19 Watergate, Rothesay, Isle Of Bute, PA20 9AB
- D Nicolson
- 01301 702400 - Callanish Ho, Arrochar, Dunbartonshire, G83 7AA
- Ramage & Finnigan
- 01389 767802 - 34 Round Riding Road, Dumbarton, Dunbartonshire, G82 2HA
- Michael Ross
- 01556 502241 - The Moat Clarebrand, Clarebrand, Castle Douglas, Dumfries And Galloway, DG7 3AH
- G.F Simmons
- 01461 202767 - 12 Standalane, Annan, Dumfries And Galloway, DG12 5JR
- D Train
- 01776 702357 - 43, 5 Fisher Street, Stranraer, Dumfries And Galloway, DG9 7LG
- Ambient Electrical
- 01799 531874 - 7 Bartholomew Close, Saffron Waldon, Essex, CB10 1QH
- Gas Call Services Ltd
- 0141 7663333 - 2 Queenslie Court Summerlee Street, Glasgow, Lanarkshire, G33 4DB
- W H Heating
- 10512 223374 - 16 Greenfield Rd, Liverpool, L13 3BN
- Dyson Insulation
- 01422 208056 - Dyson House, Armitage Road, Brighouse, HD6 1PT
- Mark Benson Heating and Plumbing
- 01242 681218 - Barn Farm Cottage Stanboro Lane, Cheltenham, Gloucestershire, GL51 9TN
- Ramsbottom Oil Direct
- 01706 822603 - 31 Stubbins Lane Ramsbottom, Bury, Lancashire, BL0 0PU
- S M Gauge
- 0117 9654615 - 308 Lodge Csewy, Bristol, Avon, BS16 3RD
- Boilers Ltd
- 020 88060402 - 115 Craven Park Road, London, N15 6BL
- Br Plumbing & Heating
- 01244 351964 - 31 Lime Wood Close, Chester, Cheshire, CH2 2HD
- Poynton Heating
- 01625 871909 - 3 School Lane, Poynton, Cheshire, SK12 1AX