• A C Mechanical Services
  Crosby House, 2a Carlton Road, LONDON, Greater London, E11 3AQ
• A R E Wholesale Ltd
  38 Western Avenue, LONDON, Greater London, W3 7TZ
• Air Conditioning Plus Surrey Ltd
  Unit 44 Enterprise House, 44-46 Terrace Road, WALTON ON THAMES, Surrey, KT12 2SD
• Air Tight Ltd
  PO Box 61, CARSHALTON, Surrey, SM5 2RG
• Aj's Air Conditioning Services
  The Lodge, Cattlegate Road, ENFIELD, Middlesex, EN2 9DX
• All Seasons Climate Control
  3 Seven Ways Parade, Woodford Avenue, ILFORD, Essex, IG2 6XH
• Alpine Air Conditioning Ltd
  6 West Heath Drive, LONDON, Greater London, NW11 7QH
• Alpollo Air Conditioning
  35 Engleheart Road, LONDON, Greater London, SE6 2HN
• Alpollo Airconditioning Ltd
  4 Freeland Way, ERITH, Kent, DA8 2LQ
• Apollo Air Conditioning
  35 Engleheart Road, LONDON, Greater London, SE6 2HN
• Atalan Mechanical Services Ltd
  Academic House, 24-28 Oval Road, LONDON, Greater London, NW1 7UD
• Automobile Valeting Services
  42 Hawthorne Avenue, RUISLIP, Middlesex, HA4 8SS
• B C L Services
  39 Waverley Road, LONDON, Greater London, SE25 4HT
• Bescom (Services) Ltd
  98a Purley Oaks Road, SOUTH CROYDON, Surrey, CR2 0NS
• Bexley Vehi-Cool
  145 Halcot Avenue, BEXLEYHEATH, Kent, DA6 7QA
• Cecil Engineering Ltd
  284 High Road, North Weald, EPPING, Essex, CM16 6EG
• Charles Bessell Ta Stiff Nipples
  59 Gainsborough Road, HAYES, Middlesex, UB4 8NY
• Chilled Out
  21 Sutton Grove, SUTTON, Surrey, SM1 4LR
• Compactbuild
  270 London Road, WALLINGTON, Surrey, SM6 7DJ
• Compass Air Conditioning & Associated Services
  Block G Unit G01 Tower Bridge Business Complex, 100 Clements, LONDON, Greater London, SE16 4DG
• Dalair Ltd
  58 Station Road, North Harrow, HARROW, Middlesex, HA2 7SA
• David Blakey Services Ltd
  30 Villiers Road, WATFORD, Hertfordshire, WD19 4AH
• Easyairconditioning London
  Suite 3 Laybourne House, Admirals Way, LONDON, Greater London, E14 9UH
• Eco Energy
  40-42 Osnaburgh Street, LONDON, Greater London, NW1 3ND
• Everest Air Conditioning Ltd
  6 West Heath Drive, LONDON, Greater London, NW11 7QH
• Excel Air Conditioning
  129a New Road, Croxley Green, RICKMANSWORTH, Hertfordshire, WD3 3EN
• Insight Quality Control
  Malyons House, College Road, SWANLEY, Kent, BR8 7LT
• Kinsman Air Systems
  Southmere Lake Complex, 2 Belvedere Road, LONDON, Greater London, SE2 9AN
• M B Air
  153 Cheam Road, SUTTON, Surrey, SM1 2BP
• M.V. D. C.
  16 Beverley Road, MITCHAM, Surrey, CR4 1NQ
• Macwhirter
  2 Bathurst Street, LONDON, Greater London, W2 2SD
• Mastercool Air Conditioning Ltd
  79 Main Road, ROMFORD, Essex, RM2 5EL
• Phillip Tubbs Ltd
  Unit 5 Clocktower Mews, 109 High Street, HODDESDON, Hertfordshire, EN11 8TN
• Protechnical Services
  Aberfoyle House, Epsom Road, EPSOM, Surrey, KT17 1NW
• Quality Climate Control
  163a Mitcham Road, LONDON, Greater London, SW17 9PG
• R1 Air Conditioning
  6 Craven Hill Gardens, LONDON, Greater London, W2 3ES
• Rental Express Ltd
  Phoenix Way, HOUNSLOW, Middlesex, TW5 9NB
• S L B Air Conditioning
  134 Blindmans Lane, Cheshunt, WALTHAM CROSS, Hertfordshire, EN8 9DH
• Salix
  46 Byron Road, Wealdstone, HARROW, Middlesex, HA3 7SS
• Services Installation Ltd
  46 Mount Pleasant, BARNET, Hertfordshire, EN4 9HH
• Stiff Nipples Air Conditioning
  59 Gainsborough Road, HAYES, Middlesex, UB4 8NY
• Surrey Air Conditioning Ltd
  32 ST. Dunstans Hill, SUTTON, Surrey, SM1 2UD
• T A C S Ltd
  Ansell Road, LONDON, Greater London, SW17 7LT
• The Conditioned Air Co
  49 Firsby Avenue, CROYDON, Surrey, CR0 8TP
• Thorley Environmental Systems Ltd
  11 Harolds Close, HARLOW, Essex, CM19 5TH
• Valltek Building Services
  Sutton Business Centre, Restmor Way, WALLINGTON, Surrey, SM6 7AH
• Willow Motor Works
  Wandle Way, MITCHAM, Surrey, CR4 4NB