- John Metcalfe Plumbing Services
- 01756 748411 - 26 Eshton Road Gargrave, Skipton, North Yorkshire, BD23 3SE
- K.R Martin
- 01756 798598 - Newmarket Street, Skipton, North Yorkshire, BD23 2JP
- Skipton Gas & Heating Services
- 01756 792917 - 8 Hall Croft, Skipton, North Yorkshire, BD23 1PG
- Able Heating
- 01429 283700 - 21 Gilside Road, Billingham, Cleveland, TS23 3HY
- Able Heating
- 01642 898860 - 33 Parklands Avenue, Billingham, Cleveland, TS23 1DZ
- Billingham Plumbing & Heating
- 01642 804244 - Billingham, Cleveland, TS23 3XQ
- P & J Bliwert
- 01287 650907 - 120 High Street, Skelton-in-Cleveland, Saltburn-by-the-Sea, Cleveland, TS12 2EA
- R N & W Bramley
- 01677 470535 - Roselea, Thornborough, Bedale, North Yorkshire, DL8 2RE
- Cape Industrial Services
- 01642 463166 - Wilton Works, Middlesbrough, TS6 8JA
- Garbut Heaters
- 01642 483045 - Garbutt & Sons Longbeck Est, Marske-by-the-Sea, Redcar, Cleveland, TS11 6HB
- Helmanis & Howell
- 01642 553322 - Station Rd, Billingham, Cleveland, TS23 1PB
- Hertel (U.K.)
- 01642 467652 - Sotherby Road, South Bank, Middlesbrough, Cleveland, TS6 6LP
- Kays Heating
- 01947 602775 - 9 Love Lane, Whitby, North Yorkshire, YO21 3LH
- Kingston Walker (Plumbing & Heating) Ltd
- 01642 566756 - Unit 8c, Royce Avenue, Billingham, Cleveland, TS23 4BX
- Maval Electrical Engineering
- 01642 455101 - Skippers La Indust Est Skippers La, Skippers Lane Industrial Estate, Middlesbrough, Cleveland, TS6 6HA
- B.V Mortimer
- 01947 810612 - Dor Bri Hillend, Sleights, Whitby, North Yorkshire, YO22 5EN
- J.Trevor Newton
- 07860 618500 - Marton-in-Cleveland, Middlesbrough, Cleveland, TS7 8HA
- Northallerton Heating Centre
- 01609 776676 - The Old Station Yd High St, Northallerton, North Yorkshire, DL7 8EA
- Northern Heating Spares (Middlesbrough)
- 01642 250230 - 10 Bulmer Wy, Middlesbrough, Cleveland, TS1 5JT
- G.A Pawlett
- 01287 634590 - 73 Northgate, Guisborough, Cleveland, TS14 6JP
- Robinson
- 01642 370110 - Cowpen Lane Industrial Estate, Billingham, Cleveland, TS23 4ET
- Utilicom
- 01642 560086 - Leeholme Road, Billingham, Cleveland, TS23 3TA
- Jim Williamson
- 01845 527192 - 24 Admirals Court, Sowerby, Thirsk, North Yorkshire, YO7 1RR
- M Woodrow
- 01287 622771 - 15 Hob Hl, Saltburn-by-the-Sea, Cleveland, TS12 1NB
- Brian Anderson & Sons
- 01723 364694 - 16b Columbus Ravine, Scarborough, North Yorkshire, YO12 7JT
- A Barker
- 01765 677152 - Oakley Ho Copgrove Rd, Burton Leonard, Harrogate, North Yorkshire, HG3 3SJ
- H.F Brown
- 01757 638262 - Wks Main St, Hemingbrough, Selby, North Yorkshire, YO8 6QF
- D Bunyan
- 01723 864664 - 39 Racecourse Road, East Ayton, Scarborough, North Yorkshire, YO13 9HP
- J.K Calvert
- 01653 600196 - 28 Springfield Garth, Norton, Malton, North Yorkshire, YO17 9EL
- R.J Claxton
- 01423 771135 - Throstle Nest Nidd La, Birstwith, Harrogate, North Yorkshire, HG3 3AL
- Paul Cuthbertson
- 01653 696488 - Derwent Rd York Rd Bsns Pk, York Road Business Park, Malton, North Yorkshire, YO17 6YB
- Eurex Energy
- 01347 868256 - The White House, Kilburn, York, North Yorkshire, YO61 4AG
- Fawley Engineering
- 01757 703593 - 17 Meadow Drive, Thorpe Willoughby, Selby, North Yorkshire, YO8 9PN
- R Fenton
- 01423 564836 - 14 Sandhill Drive, Harrogate, North Yorkshire, HG1 4JR
- C.A Hall
- 01653 692607 - Stonewold East Mt, Malton, North Yorkshire, YO17 7EX
- Harrogate Gas
- 01423 888041 - 222 Forest Lane, Harrogate, North Yorkshire, HG2 7ED
- Heating Replacement Parts & Controls
- 01723 361126 - Barrys Lane, Scarborough, North Yorkshire, YO12 4HA
- Plumbing & Heating
- 01757 708113 - 11 Moat Wy, Brayton, Selby, North Yorkshire, YO8 9RA
- Paul Rowlands
- 01347 821010 - 3 Thornlands, Easingwold, York, North Yorkshire, YO61 3QQ
- Slinger & Nelson
- 01423 780171 - Brambles Hookstone Garth, Darley, Harrogate, North Yorkshire, HG3 2PJ
- Smith & Prentice
- 01723 362341 - Springer Ho Gladstone La, Scarborough, North Yorkshire, YO12 7BS
- Yorkshire Environmental Services
- 01423 566379 - 12 Coppice Close, Harrogate, North Yorkshire, HG1 2DW
- Dales Heating
- 01282 817368 - Barnoldswick, Lancashire, BB18 5JH
- Gissing & Lonsdale
- 01282 812821 - Wellhouse Road, Barnoldswick, Lancashire, BB18 6DB
- Darren French And Sons
- 01282 844228 - The Church House Riley Street, Earby, Lancashire, BB18 6NX
- Paul Creighton Plumbing and Heating Engineers
- 01274 581319 - 93 Bolton Road Silsden, Keighley, BD20 0JT
- M & G Cooney Plumbing & Heating
- 01757 705440 - 2 Holly Grove, Selby, North Yorkshire, YO8 9BE
- D&G Plumbing and Heating Ltd
- 01287 676763 - 54 Linden Road Salt Burn By The Sea, Middlesbrough
- H Clarke
- 01609 772001 - 14 Anchorage Lane, Northallerton, North Yorkshire, DL7 8DX
- Bmm Heaters Ltd
- 01642 240700 - 1 Copeland Court, Middlesbrough, Cleveland, TS2 1RN
- Bedale Burner Services
- 01677 450389 - Phoenix House, Bedale Road, Newton Le Willows, Bedale, North Yorkshire, DL8 1SG
- Mfw Aga & Boiler Services
- 01609 779751 - 11 Victoria Terrace, Northallerton, North Yorkshire, DL7 8TW
- Martin House Shops
- 01756 794952 - 34 Sheep Street, Skipton, North Yorkshire, BD23 1HX
- Johnsons Plumbing & Heating
- 01423 324574 - Prospect Villa, Minskip, York, North Yorkshire, YO51 9HZ
- Abberdale Plumbing & Heating
- 01642 822992 - 421 Linthorpe Road, Middlesbrough, Cleveland, TS5 6HH
- A.r. Contracts
- 01723 516833 - Ashleigh School Cottage, Hunmanby Street, Muston, North Yorkshire, YO14 0ET
- The Heating People Limited
- 0845 8382732 - Unit 2, The Brigg, Station Avenue, Filey, North Yorkshire, YO14 9AQ
- Woodlands Plumbing and Heating Ltd
- 01423 541129 - 73 Eleanor Rd, Harrogate, HG2 7AL
- Ian Browning
- 0845 4916928 - 32 Haverley Dr Seaton, Seaham, County Durham
- NCC Plumbing and Heating
- 0845 4918178 - 32 Debruce Road Brompton, Northallerton, DL6 2QE
- Superior Heating Services
- 0845 8060086 - 12 Lambfield Way, Ingleby Barwick, Stockton On Tees, Cleveland, TS17 5BG
- Yorkshire Home Heating
- 01609 883506 - Home Farm Thimbleby, Northallerton, North Yorkshire, DL6 3PY
- Ian Hinchliffe Plumbing and Heating
- 0845 8067973 - 16 Welford Road Filey, Scarborough, North Yorkshire, YO14 0AE
- G2 Plumbing and Heating Ltd
- 0845 8068583 - 23 Woodlea Coulby Newham, Middlesbrough, TS8 0TX
- T.C Heating
- 0845 8068589 - 29 Grimston Road Hunmanby, Filey, North Yorkshire, YO14 0NF
- Horsforth Heating
- 01423 888002 - Unit 1 2 Freemans Way, Harrogate, HG3 1DH
- Dales-plumbing Boiler Servicing
- 01729 860501 - 8 Chapel Lane Horton In Ribblesdale, Settle, North Yorkshire, BD24 0HA
- Steven Leighton
- 8 Chapel Lane Horton In Ribblesdale, Settle, North Yorkshire, BD24 0HA
- S C Gas Ltd
- 07867 976242 - Whitelands Hillam Road, Selby, North Yorkshire, YO8 9LQ
- Heatrite
- 07816 654408 - Morrisons CarPark Walton Terrace, Guisborough, Cleveland, TS14 6QG
- Gas And Oil Ltd
- 01287 637905 - 3 Lucia Lane, Guisborough, Cleveland, TS14 8BY
- D Freeborn Gas Services
- 0845 8391551 - 120 Hambleton Place, Thirsk, North Yorkshire, YO7 1DY
- Norman Chapman And Son Ltd
- 01765 602874 - Unit 6 Cathedral Workshops Phoenix Business Centre, Ripon, North Yorks, HG4 1NS
- Gaz And Plumbing Ltd
- 0845 8393097 - 2 Castle Hill Hunmanby, Filey, North Yorkshire, YO14 0JX
- Gfp Home Heating Care Ltd
- 01723 377777 - 114 Victoria Road, Scarborough, North Yorkshire, YO11 1SL
- Wharfedale Plumbing And Heating
- 0800 0075880 - Hiver Cottage Pateley Bridge Road, Burnt Yates, North Yorkshire, HG3 3EG
- Gaz And Plumbing Ltd
- 0845 4817072 - 2 Castle Hill Hunmanby, Filey, North Yorkshire, YO14 0JX
- Thirsk Plumbing and Heating Services
- 0845 5433973 - Old Post Office Sessay, Thirsk, Yorkshire, YO7 3NL
- Phil France Plumbing And Heating
- 01723 870498 - 1 Laurel Close. Burniston., Scarborough, Yorkshire, YO13 0QJ