• A.T. Juniper (Liverpool) Ltd
  Marshalls Works, 5-17 Bleasdale Road, LIVERPOOL, Merseyside, L18 5JB
• Al Air Aviation Ltd
  20 Craithie Road, Vicars Cross, CHESTER, Cheshire, CH3 5JL
• Aviansce
  South Terminal, Speke Hall Avenue, Liverpool Airport, LIVERPOOL, Merseyside, L24 1YD
• Aviation Park Group Ltd
  Hawarden Airport, Flint Road, Saltney Ferry, CHESTER, Cheshire, CH4 0GZ
• Bill Nicholls Ltd
  18 Poplar Close, Coedpoeth, WREXHAM, Clwyd, LL11 3LZ
• Freetech Ltd
  15 Border Way, Vicars Cross, CHESTER, Cheshire, CH3 5PQ
• Hawarden Air Services Ltd
  Hawarden Airport, Flint Road, Saltney Ferry, CHESTER, Cheshire, CH4 0GZ
• Keenair Ltd
  29-31 Viscount Drive, Hale Village, LIVERPOOL, Merseyside, L24 5GA
• Mellford Engineering Ltd
  10 Lea Close, Noctorum, PRENTON, Merseyside, CH43 9QW
• North Wales Civil Aviation Services Ltd
  Hawarden Airport, Flint Road, Saltney Ferry, CHESTER, Cheshire, CH4 0GZ
• Omega Computing Services Ltd
  13 Bilberry Close Penyffordd, CHESTER, Cheshire, CH4 0LT
• Orchards Engineering Ltd
  6 The Orchards, High Street Saltney, CHESTER, Cheshire, CH4 8UT
• Prokites Ltd
  24 Waverley Road, Hoylake, WIRRAL, Merseyside, CH47 3DD
• Raytheon Aircraft Services Ltd
  Hawarden Airport, Chester Road, Broughton, CHESTER, Cheshire, CH4 0BA
• Solidmethod Ltd
  2 Plas Aney, Hendy Road, MOLD, Clwyd, CH7 1QR