- Ardbeck Timber Preservations
- 01279 444411 - Fenners Fm Cotts, High Laver, Ongar, Essex, CM5 0EB
- Hellabys
- 0845 3736639 - Unit 8 Hallsford Bdge Indust Est Stondon Rd, Ongar, Essex, CM5 9RB
- Gaspro Gas Engineers
- 01279 639263 - 93 Fullers Mead, Harlow, Essex, CM17 9AT
- 4.2 miles from Ongar
- Servo
- 01992 815815 - 123 Coppice Rw, Theydon Bois, Epping, Essex, CM16 7DP
- 5.6 miles from Ongar
- RAF Heating
- 01992 525128 - 22 Bluemans, North Weald, Epping, Essex, CM16 6EU
- 5.6 miles from Ongar
- Charles Wells
- 01992 814615 - 16 Pakes Wy, CM16 7NA
- 5.6 miles from Ongar
- Harlow Heating Centre
- 01279 421421 - Bay 5A Bush Fair, Harlow, Essex, CM18 6LX
- 7.4 miles from Ongar
- J A Plumbing And Heating
- 0870 8148359 - 28 Kingsland, Harlow, Essex, CM18 6XJ
- 7.4 miles from Ongar
- Gas Group
- 07932 724417 - 1 Copshall Close, Harlow, Essex, CM18 7LH
- 7.4 miles from Ongar
- Essex Heating Supplies
- 01279 430617 - 44 Burnt Mill, Elizabeth Way, Harlow, Essex, CM20 2HU
- 7.6 miles from Ongar
- Essex Heating Supplies
- 01279 410808 - Harlow, CM20 2HQ
- 7.6 miles from Ongar
- Combi Boilers
- 01279 417818 - 34 Pye Cnr, Gilston, Harlow, Essex, CM20 2RB
- 7.6 miles from Ongar
- Thermo Products Ltd
- 44012 79426832 - Allen House, Edinburgh Way, Harlow, Essex, CM20 2HJ
- 7.6 miles from Ongar
- Central Heating Services
- 01279 814670 - 10 Wetherfield, Stansted, Essex, CM24 8JA
- 9.1 miles from Ongar
- Bartram Robinson
- 01279 813126 - 27 Bentfield Csewy, Stansted, Essex, CM24 8HU
- 9.1 miles from Ongar
- Robt J Robinson
- 01279 817828 - 27 Bentfield Csewy, Stansted, Essex, CM24 8HU
- 9.1 miles from Ongar
- C J Plumbing & Heating
- 01279 430100 - Unit A5 The Seedbed Cntr, Harlow, Essex, CM19 5AF
- 9.3 miles from Ongar
- Electric Water Heating Co
- 0845 0553811 - 2 Horsecroft Place, Harlow, Essex, CM19 5BT
- 9.3 miles from Ongar
- Peter Carter and Sons Ltd
- 07931 403857 - 31 Brockles Mead, Harlow, CM19 4PT
- 9.3 miles from Ongar
- Bournebrook Heating
- 01279 655015 - 16 Twyford Business Centre, London Road, Bishop's Stortford, Hertfordshire, CM23 3YT
- 9.4 miles from Ongar
- J Carter
- 01279 504263 - 3 Oaklands Park, Bishop's Stortford, Hertfordshire, CM23 2BY
- 9.4 miles from Ongar
- Aquatech Plumbing Heating & Gas
- 01279 655998 - 5 Woburn Avenue, Bishop's Stortford, Hertfordshire, CM23 4PW
- 9.4 miles from Ongar
- P Thomas
- 01763 838456 - 12 Hollow Road, Elmdon, Saffron Walden, Essex, CB11 4NA
- 13.9 miles from Ongar