- Brookhouse Gas Services
- 0870 7574481 - 44a Union Street, Harthill, Sheffield, South Yorkshire, S26 7YH
- Central Gas Services
- 0114 2313464 - 34 Binsted Grove, Sheffield, South Yorkshire, S5 8PD
- G.P Ford
- 01709 376800 - 56 Broom Avenue, Rotherham, South Yorkshire, S60 3NH
- G B H Utilities
- 01709 578578 - 79 Church Street, Swinton, Mexborough, South Yorkshire, S64 8EF
- South Yorkshire Gas
- 0114 2746100 - 46 Greenhill Avenue, Sheffield, South Yorkshire, S8 7TB
- Yorkshire Gas Installations
- 01226 202707 - 41 Thoresby Avenue, Barnsley, South Yorkshire, S71 2LH
- Pa Gardner Plumbing Heating Gas
- 01302 881647 - Ivy House, 19 St Marys Drive, Doncaster, South Yorkshire, DN7 4EU
- Valley Heating Services
- 0845 3736639 - Unit 11 Vincent Wks Brough, Bradwell, Derbyshire, S33 9HG
- Haydn
- 0114 2311588 - 53 Lyminster Road, Sheffield, South Yorkshire, S6 1HW
- CB Gas Services
- 01909 774476 - 7 Horbiry End, Todwick, Sheffield, South Yorkshire, S26 1HH
- Specialised Gas Services
- 0114 2757507 - 173 Shirecliffe Road, Sheffield, South Yorkshire, S5 8XA
- Gas Glow
- 0114 2280588 - 25 High Street, Sheffield, S20 1EE
- Woodhouse Heating
- 0845 2910511 - Corner Croft Slaypit Lane, Doncaster, DN7 6EY
- Gas 2 Fit.com
- 07979 793320 - Foundry St, Barnsley, South Yorkshire, S74 8EQ
- Steve Heywood Gas Services
- 01709 589640 - 17 Broome Avenue, Swinton, South Yorkshire, S64 8QQ
- Ian Price Plumbing and Heating
- 07917 785484 - 1 East Glade Way, SHEFFIELD, S12 4QT
- The Gas Guru
- 07740 996774 - 20 West Green Drive, Kirk Sandall, Doncaster, South Yorkshire, DN3 1SN
- Garvels Plumbing and Heating
- 0845 3475592 - 1 Mill Cottage High Street, Doncaster, DN3 1DS
- Stephen Dunn Gas Services
- 0845 0134103 -