- Amber Emergency Services
- 01933 276565 - 16 Beech Drive, Wellingborough, Northamptonshire, NN8 3GG
- Gasman
- 01604 402859 - 9 Woburn Gate, Northampton, Northamptonshire, NN3 5ED
- Northampton Construction
- 01604 491659 - 4b Clayfield Clo Moulton Pk Indust Est, Moulton Park Industrial Estate, Northampton, Northamptonshire, NN3 6QF
- Old Bus Station Antiques
- 01536 762093 - Old Bus Stn Harborough Rd, Kettering, Northamptonshire, NN14 2QY
- David J Payne
- 01604 820566 - Wood Leigh Northampton Rd, Chapel Brampton, Northampton, Northamptonshire, NN6 8AE
- Sterling Installations
- 01933 226227 - 128-129 Leyland Complex Irthlingborough Rd, Wellingborough, Northamptonshire, NN8 1RT
- Thermal Services Northampton
- 01604 763332 - 8 Hedge End, Northampton, Northamptonshire, NN4 0SW
- Multi-heat(uk)ltd
- 0845 0212595 - Rannock House Geddington Rd, Corby, Northamptonshire, NN18 8AA
- K R Baptist
- 07850 947688 - 28 Reynard Way, Northampton, Northamptonshire, NN2 8QX
- A P Panther Ltd
- 01536 519343 - 5 Blandford Avenue, Kettering, NN16 9AR
- Desborough Gas Showroom
- 01536 762290 - 39 Station Road, Desborough, Kettering, Northamptonshire, NN14 2RL
- R J Plumbing and Heating Services
- 07980 675822 - 40 Vicarage Lane Kingsthorpe Village, Northampton, Northamptonshire, NN2 6QS
- Daventry Plumbing Services
- 07958 758647 - 179 The Medway, Daventry, Northamptonshire, NN11 4QY
- Gas Servicing & Installations
- 01933 314749 - 156 Rushden Road, Wymington, Bedfordshire, NN10 9LE