Osterley Park and House, London (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Collard and Collard
Ardress House, County Armagh (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
Lyme, Cheshire (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Coleton Fishacre, Devon (Accredited Museum)
Saltram, Devon (Accredited Museum)
The Argory, County Armagh (Accredited Museum)
Mottisfont, Hampshire (Accredited Museum)
Tyntesfield, North Somerset
Dunham Massey, Cheshire (Accredited Museum)
Bechstein
Beningbrough Hall, North Yorkshire (Accredited Museum)
Lacock, Wiltshire
Rufford Old Hall, Lancashire (Accredited Museum)
Canons Ashby, Northamptonshire (Accredited Museum)
Gaudron and Leroy
William George Thomson (Savannah, Georgia 1771/3 - 1845)
Coughton Court, Warwickshire
John Linnell (London 1729 - 1796)
Penrhyn Castle, Gwynedd (Accredited Museum)
Morville Hall, Shropshire
Erddig, Wrexham (Accredited Museum)
575 Wandsworth Road, London
Nuffield Place, Oxfordshire (Accredited Museum)
Henry Thomas Ryall (Frome 1811 – Cookham 1867)
Garrard and Co Ltd
2 Willow Road, London (Accredited Museum)
Tredegar, Newport (Accredited Museum)
Smiths
S.B. Shortland Smiths British Instruments
