| Phone number | Company | Business category | Location | E-mail | Company homepage |
|---|
| 01132523923 | MELROSE PROPERTY SERVICES LTD | Gas Installers | LOUGHTON | | |
| 01132530946 | PREMIER PLUMBING LIMITED | Gas Installers | OLDHAM | | |
| 01132563293 | ANDERSON & SONS LTD | Gas Installers | FULHAM | | |
| 01132600214 | F GILROY LIMITED | Gas Installers | YORKSHIRE | | |
| 01132793578 | RMC GAS SERVICES LIMITED | Gas Installers | STROUD | | |
| 01132842001 | BHP SERVICES LTD | Gas Installers | PRENTON | | |
| 01133681840 | B S PLUMBING & HEATING (YORKSHIRE) LIMITED | Gas Installers | LEEDS | | http://www.leeds-plumbers.co.uk/ |
| 01142210013 | DL GAS SERVICES LTD | Gas Installers | ST. AUSTELL | | http://www.dlgasservices.co.uk |
| 01142295035 | DPM LIMITED | Gas Installers | STOKENCHURCH | | |
| 01142338041 | JOHN LEWIS PLC | Gas Installers | | | |
| 01158473092 | KM DESIGN & BUILD LTD | Gas Installers | SLOUGH | | |
| 01159425766 | MCCLAY ENGINEERING LIMITED | Gas Installers | DONCASTER | | |
| 01159442121 | GAS TECHNICAL SERVICES (UK) LIMITED | Gas Installers | ILKESTON | | http://www.gastechuk.com |
| 01159879084 | SUSTAINABLE ENERGY CONNECTIONS LIMITED | Gas Installers | NOTTINGHAM | | |
| 01162414787 | SH PLUMBING & HEATING SERVICES LIMITED | Gas Installers | WEMBLEY | | |
| 01162477545 | SJK LIMITED | Gas Installers | LEICESTERSHIRE | | |
| 01162608196 | DAVID HARRISON LIMITED | Gas Installers | PEEBLES | | |
| 01162768196 | COLIN BROWN CONTRACTORS LIMITED | Gas Installers | LEICESTER | | |
| 01162813192 | W.C. PLUMBING & HEATING LIMITED | Gas Installers | LEICESTER | | |
| 01162841076 | ASA CONTRACTORS LIMITED | Gas Installers | LONDON | | |
| 01162866283 | ABLE CONTRACTS LIMITED | Gas Installers | FAILSWORTH | | |
| 01162880167 | GAS HEATING SERVICES LIMITED | Gas Installers | ISLEHAM ELY | | |
| 01163593100 | IGNITE GAS (E.MIDLANDS) LTD | Gas Installers | COALVILLE | | http://www.ignitegsaservices.com |
| 01179000986 | BOOST PLUMBING & HEATING LTD | Gas Installers | LONDON | | http://www.boostplumbing.co.uk |
| 01179563082 | R.A. SERVICES LIMITED | Gas Installers | BERKSHIRE | | |
| 01179604421 | HUGHES HEATING & PLUMBING LTD | Gas Installers | GRAYS | hughesheating@hotmail.co.uk | http://www.hughesheatingandplumbing.co.uk |
| 01189670968 | ACTION PLUMBING & HEATING LTD | Gas Installers | BATH | | |
| 01189831893 | GAS APPLIANCE SERVICES LIMITED | Gas Installers | BOLTON | | |
| 01202526690 | KLM HEATING & PLUMBING LTD | Gas Installers | DORSET | | |
| 01204385808 | ATP MAINTENANCE LIMITED | Gas Installers | LANCASHIRE | enquiries@atpheatingandplumbing.co.uk | http://www.atpheatingandplumbing.co.uk |
| 01204707802 | CONCEPT HEATING SYSTEMS LIMITED | Gas Installers | BOLTON | | |
| 01205351960 | HAVEN PLUMBING & HEATING LIMITED | Gas Installers | ABERDEEN | | |
| 01206250292 | C & G PLUMBING & HEATING LIMITED | Gas Installers | PEMBROKESHIRE | | |
| 01212466000 | 1ST GAS LIMITED | Gas Installers | NEWARK | | |
| 01213554379 | HANCOX GAS & PLUMBING LIMITED | Gas Installers | BIRMINGHAM | | |
| 01214065300 | ABSOLUTE GAS AND HEATING LTD | Gas Installers | BIRMINGHAM | | http://www.absolutegasandheating.co.uk |
| 01214398600 | I & C GAS SERVICES LTD | Gas Installers | WEDNESBURY | | http://www.iandcgasservices.co.uk |
| 01214535301 | C.H.S. LIMITED | Gas Installers | SURREY | | |
| 01215675440 | BURRS THOMPSON LTD | Gas Installers | WEST MIDLANDS | | http://www.burrsthompsonltd.co.uk |
| 01216048347 | LKB LTD | Gas Installers | COVENTRY | | |
| 01217459924 | MJC PLUMBING & HEATING LTD | Gas Installers | BEXHILL ON SEA | | |
| 01224453936 | ABERDEEN HEATING LIMITED | Gas Installers | ABERDEEN | info@aberdeenheating.co.uk | http://www.aberdeenheating.co.uk |
| 01224632362 | A1 SYSTEMS LIMITED | Gas Installers | ABERDEEN | | |
| 01225312641 | MPH SERVICES LIMITED | Gas Installers | PRESTON | | |
| 01225313224 | BATH PROPERTY MAINTENANCE LIMITED | Gas Installers | BATH | info@bath-property-maintenance.co.uk | http://www.bath-property-maintenance.co.uk |
| 01226286383 | MANTERFIELD DRILLING LIMITED | Gas Installers | BARNSLEY | | http://www.manterfielddrilling.co.uk |
| 01226711000 | YGI LIMITED | Gas Installers | CARLTON BARNSLEY | | http://www.y-g-i.co.uk |
| 01226712576 | WBS GAS LIMITED | Gas Installers | BARNSLEY | | |
| 01227262934 | COMBI BOILER SERVICES LIMITED | Gas Installers | LONDON | | http://www.combiboilerservices.com |
| 01227740024 | KOSI GAS LIMITED | Gas Installers | HERNE BAY | | http://www.kosigas.co.uk |