3i Commercial Property Ltd
Abchurch Properties
Aboitiz Land Inc
Airports UK Ltd
Allied Developments Ltd
Arcadian plc
Arora International 
Arrowcroft Plc
Artigiano Ltd
Associated British Ports
Atlantic Hotel, Jersey
BAA Lynton Plc
Barnsley Hospital NHS Foundation Trust
Barratt Homes
Barratt London
Berkeley Homes (Capital) Plc
British Council
British Mediterranean Airways
Building Centre
Calbyn Trust
Camberwell Health Authority
Cambridge Gate Properties 
Cambridge University Boat Club
Canary Wharf Group
Cardiff Bay Co.
Cardinal Authentic Models
Carroll Group (Mark Carroll)
Cathedral Group
Champneys Group Limited
Chesterfield Royal Hospital NHS Foundation Trust
China Vanke Co Ltd 
CLS Holdings
Commercial and Estates Management Limited
Co-Partnership Property Developments Ltd
D&D London
Derwent London
Development Securities Ltd
Department for International Development
Fairhaven Shipping Co.
Family Mosaic
Foreign and Commonwealth Office (Overseas Estates Department)
Godolphin & Latymer School
Gold Property Development Ltd
Great Eastern Hotel Co
Royal Haskoning DHV Ltd 
Hawke Property Development
Hilton International
Hilton UK 
Inland Revenue Staff Federation
Inner City Enterprises
Jersey Electricity Co.
Knight Dragon
Lend Lease Europe Limited
LG Mouchel & Partners Ltd
Lighthaven Properties Ltd
Lister Developments Ltd
London Regional Transport 
London River Services  
London Transport Executive
London Underground Limited
Lutyens Properties Ltd
Merlin Entertainments Group Ltd
Morrison Construction
Mott MacDonald Ltd
Museum of London
National Art Collections Fund
Noble House Group
Norwich Airport Ltd. 
Omniport Holdings Ltd.
Pace Investments / Education
Pidemco Land / Canary Riverside Management
Planet Hollywood International
Port of London Authority / London River Services
Portland Group
Precis Holdings Ltd 
Priory Bay Hotel
Quintain Estates & Development
Railtrack / Kier Construction
Rialto Homes
S.P. Systems Ltd
Sacred River Limited
SB2 Property Ventures Ltd
Sheraton Park Tower
Shrewsbury School
Sir Richard Sutton’s Estates
Slough Estates
Southampton International Airport Limited
SP Systems 
St James’s Properties
St Johns Trust (F R Koch)
Standard Life Assurance Co
Stanhope Securities
Stansted Park Foundation
Starwood Hotels & Resort
States of Guernsey
Stena Sealink
Stow Securities Plc
Sunny Tours Ltd
Tactical Properties
Tangram Leisure Ltd
Tebb Properties Ltd
The Continuity Company
The Goldie Boathouse
The Hambleden Estate 
The Maudsley Hospital
The Rocco Forte Collection
The Standard Life Assurance Co
The Victoria Public House 
Threadneedle Investments
Transport for London
Travel Yields
UK Land
Umoja House
University of East Anglia
Ushers of Shrewsbury
V A Properties
Vanke Development Corp
Villacrest Ltd
Vokes Ltd & Buckingham Property Investment Ltd
Warner & Sons Ltd
Wates Construction
Wates Developments Ltd
Westcourt Real Estate (Europe) Ltd
West London Property Co
Westbrook Prop Co Ltd
William Grant & Sons
WSF Group
Yotel Ltd