- A.G.S Gas Services
- 01670 364983 - 11 Earlswood Grove, Blyth, Northumberland, NE24 3RT
- Boiler Technical Services
- 01670 714434 - Unit 17b, Moorland Way, Nelson Park, Cramlington, Northumberland, NE23 1WE
- Corbridge Kitchens & Bathrooms
- 01434 634114 - Warwick House, 7 Watling Street, Corbridge, Northumberland, NE45 5AG
- Hadrian Heating & Gas Services
- 01661 886161 - 1 Waterloo Cotts, Matfen, Newcastle Upon Tyne, Tyne And Wear, NE20 0SF
- Henderson & Harrison
- 01434 601932 - 1 Vine Terrace, Hexham, Northumberland, NE46 1NT
- Hillheads Construction Services
- 01670 540045 - 18 Coniston Rd Kitty Brewster Indust Est, Blyth, Northumberland, NE24 4RF
- J.E Nixon
- 01434 220268 - Northern Wks, Bellingham, Hexham, Northumberland, NE48 2BS
- Elegance By Nu Heat
- 01670 815792 - 1 North Seaton Road, Newbiggin-by-the-sea, Northumberland, NE64 6XS
- Peter Keen Plumbing & Heating
- 01665 712567 - Unit 5a, Coquet Enterprise Park, Amble, Morpeth, Northumberland, NE65 0PE
- G Phillips
- 01670 815783 - 32 High Mkt, Ashington, Northumberland, NE63 8PD
- Robert Kirkland (Blyth) Ltd
- 01670 360238 - 62-66 Bridge Street, Blyth, Northumberland, NE24 2AP
- Sandersons Heating & Plumbing
- 01670 516745 - 7a Oldgate, Morpeth, Northumberland, NE61 1PY
- Scott & Neave
- 01670 353619 - 40 Bowes Street, Blyth, Northumberland, NE24 1BE
- Service Engineering
- 01670 363309 - 45 Rosemary Terrace, Blyth, Northumberland, NE24 3DS
- Brian Weightman
- 01665 830932 - Estuary Ho Steppey La, Lesbury, Alnwick, Northumberland, NE66 3PU
- N.Wright Plumbing & Heating
- 01434 230460 - Firstbrook Wark, Hexham, NE48 3LB
- D Leslie
- 01289 330636 - 5 Mount Rd, Tweedmouth, Berwick-upon-Tweed, Northumberland, TD15 2BA
- Plumb-n-fix
- 01670 735580 - 5 Denholm Avenue, Cramlington, Northumberland, NE23 3FT
- Sa Services(ne) Ltd
- 01669 620810 - Reivers Well Lodge Cragside, Morpeth, Northumberland, NE65 7XJ
- Steven Cook Heating & Plumbing
- 0845 4916849 - 117 Milburn Road Ashington, Northumberland
- Jobson Plumbing and Heating
- 0845 4918188 - 23 Seaton Croft Annitsford, Cramlington, Northumberland, NE23 7LA
- Heatwise North East
- 0845 8064118 - 33 Aydon Gardens, Northumberland, NE45 5DX
- Christopher Teasdale Plumbing and Heating
- 07789 931965 - 2 The Cresent Gunnerton, Hexham, Northumberland, NE48 4EA
- Graham Alexander
- 0845 2632122 - Dalkeith, EH22 1HU
- Pipes and Wire
- 0845 8392406 - Unit 12J Jubilee Industrial Estate, Ashington, NE63 8UB
- Aqua Solutions Plumbing And Heating
- 0845 8396990 - 2 Huntingdon Drive Eastfield Glade, Cramlington, NE23 2FA
- Norman Graham Armstrong and Son
- 01434 634028 - 29 Woodside Avenue, Corbridge, Northumberland, NE45 5EL
- Vertechs
- 01670 811899 - 45 Haydon Road, Ashington, Northumberland, NE63 0JX
- Paulplumbing North East Ltd
- 01434 607454 - 1a Ferry Road, Hexham, Northumberland, NE46 4JW