| Prince Jalawi bin Saud bin Abdulaziz | G B Bloodstock Limited | Norelands Stallions Ltd |
| Airlie Stud | Genesis Green Stud Ltd | Norman Court Stud |
| Al Asayl Management | Gestut Brummerhof | Normandie Stud Ltd |
| Mr Ahmad Al Shaikh | Gestut Hofgut Heymann Kg | Oceanic Bloodstock Inc |
| Mrs Linda Alexander | Gestut Ravensberg | Mr John O'Donnell |
| Aleyrion Bloodstock Ltd | Gestut Schlenderhan | Panda Bloodstock |
| Sheikh Abdulla bin Isa Al-Khalifa | Jeremy Green & Sons | Paul Hearson Bloodstock |
| All Seasons Bloodstock | Mr Charles Gordon-Watson | Paulyn Limited |
| Allevamento Dei Sette srl | Mr John Gosden | Mr John Pearce |
| Mr Grahame Amey | Mr Neil Greig | Mr Chris Phillips (MRCVS) |
| Mr Michael Anderson | Grundy Bloodstock Ltd | Mr David Pickering |
| Anthony Stroud Bloodstock Ltd | H H The Aga Khan's Studs S.C. | Mr & Mrs Simon Plumbly |
| Mr Vefa Araci | Mrs Sarah Hamilton | Pollards Stables |
| Mr William Armitage | Mr James Hanly | Pontchartrain Stud |
| Ashbrittle Stud | Haras de Grandcamp EARL | Mr David Poole |
| Ashley House Stud | Haras de la Perelle | Qatar Bloodstock |
| Ashtown Bloodstock | Haras de Son Altesse L'Aga Khan SCEA | R & B Racing Int S.R.O |
| Aston Mullins Stud | Haras d'Etreham | Rabbah Bloodstock Ltd |
| Az Agr Francesca Srl | Haras du Mezeray | Raptakos, Brett & Co Ltd |
| Az Agr San Felice | Hascombe & Valiant Studs | Razza Pallorsi Snc |
| Ballymacoll Stud Farm Ltd | Dr Jim Hay | Redgate Bloodstock Ltd |
| Lady Bamford | Mr Tom Hayes | Redland Bloodstock |
| Mr William Barrons | Mr David Hearson | Mr A Reed |
| Barton Stud | Mr Wayne Hennessey | Mr John Reid |
| BBA 2010 Limited | Hesmonds Stud Ltd | Richard Frisby Bloodstock Ltd |
| Bearstone Stud | HH The Aga Khan Studs | Rockcliffe Stud |
| Mr Chris Beek | High Bank Partnership | Mr Andrew Rosen |
| Mr Juan Bertran de Lis | Highclere Stud Ltd | S W Group Logistics Limited |
| Sheikh Mohammed bin Khalifa Al Maktoum | Mr Richard Holt | Mr Ben Sangster |
| Mr Geoffrey Bishop | Mr Darren Hudson-Wood | SARL Elevage du Haras de Bourgeauville |
| Bloodstock Agency Ltd | Mrs Patricia Ignarski | SCEA Haras de Saint Pair |
| Blythe Park Stud | Mr John James | SCEA Haras D'Haspel |
| Mr J S Bolger | Janus Bloodstock Inc | Mr Martin Schwartz |
| Bolton Grange Stud | Mr Philippe Jeanneret | Mr & Mrs Robert Scott |
| Mr Serge Boucheron | Mrs Agnes Johnstone | Scuderia Vittadini srl |
| Mr Eric Boumans | Mr Peter Jones | Seasons Holidays plc |
| Mr M Bowring | Joseph Stewart Investments Ltd | Mr Jacques Seror |
| Brian Grassick Bloodstock Ltd | Miss Jane Keir | Shadwell Estate Co Ltd |
| Brighton Farm Ltd | Mr Gordon Kendrick | Skymarc Farm Inc |
| Brook Stud Bloodstock Ltd | Kingsclere Stud | Snailwell Stud Co Ltd |
| Brookdale Farm | Mrs Patricia Kingston | Snowdrop Stud Co Ltd |
| Dr Philip Brown | Kirtlington Stud Ltd | Socrates Partnership |
| Mr Colin Bryce | Lakin Bloodstock | South Wind Bloodstock |
| Buck Racing AB | Lam Partnership | Southcourt Stud |
| C.I.T.A.I. Spa | Mr Geoff Laughton | Sparsholt Stud |
| The Earl of Cadogan | Lavington Stud | St Albans Bloodstock LLP |
| Canisbay Bloodstock | Lees and Cummings Bloodstock | St Clare Hall Stud |
| Capital Pur Sang | Miss Sarah Leigh | Stanley Estate & Stud Company |
| Car Colston Hall Stud | Mr Robert Levitt | Mr Trevor Staplehurst |
| Card Bloodstock | Lofts Hall Stud | Graf und Grafin Stauffenberg |
| Carwell Equities Ltd | Loick Fouchet Elevage | Stiftung Gestut Fahrhof |
| Chasemore Farm Ltd | London Thoroughbred Services Ltd | Mrs Sarah Stoneham (MRCVS) |
| Cherry Park Stud | Lone Oak Stud Limited | Stowell Hill Limited |
| Cheveley Park Stud Ltd | Countess of Lonsdale | Stratford Place Stud |
| Cliveden Stud Ltd | Lordship Stud | Mr George Strawbridge, Jr. |
| Colts Neck Stables, LLC | Mr W Lussky | Mr Stuart Stuckey |
| Mr Patrick Conway | M J & L A Taylor LLP | Summerville Bloodstock Associates |
| Corduff Stud Ltd | Ms Michelle Machin-Jefferies | Tara Stud Stallions Ltd |
| Cotswold Stud | Mrs Martine Malivet | Tarworth Bloodstock Investment Ltd |
| Course Investment Corporation | Marston Stud | Team Hogdala AB |
| Mr R Creese | Mr David Martin | The Kathryn Stud |
| Crimbourne Stud | Mr Noel Martin | The Royal Studs |
| Crispin de Moubray Sarl | McKeever Bloodstock Ltd | Theobalds Stud |
| Cuadra Africa SA | Mr Bill McLuskey | Mr Andrew Tinkler |
| Mr David Curran | Mr Ralphy Meajohn | Trinity Park Stud |
| Mrs E A Cyzer | Meon Valley Stud | Ms Francesca Turri |
| Dachel Stud Limited | Meridian International Sarl | Mr Kostas Valvis |
| Mr A & D D'Arcy | Merry Fox Stud Ltd | Mr Berend Van Dalfsen |
| Darley Stud Management Co Ltd | Mr & Mrs G Middlebrook | Mr Joerg Vasicek |
| David Simcock Racing Ltd | Mr Andy Middleton | Mr P Vela |
| Dayton Investments Ltd | Mildmay Bloodstock Ltd | Mrs Camille Vercken-Mariano |
| Countess De La Warr | Mill House Stud (Shropshire) Ltd | Vision Bloodstock Ltd |
| Mr D J & Mrs M E Deer | Minster Stud | Miss Franca Vittadini |
| Deerfield Farm | Mrs John Moore | Ms Amelie von Leithner |
| Denford Stud Ltd | Mr Rhydian Morgan-Jones | Baron Georg von Ullmann |
| Mr Clive Dennett | Mr Anthony Morris | W & R Barnett Ltd |
| Dukes Stud | Mount Coote Partnership | Mr Peter Wales |
| Dunchurch Lodge Stud Company | Moyglare Stud Farm Ltd | Wansdyke Farms Ltd |
| Earl Haras de Cisai | Mr Mel Roberts & Ms Nicola Meese | Waratah Thoroughbreds Pty Ltd |
| Earl Haras du Quesnay | Mr Saleh Al Homaizi & Mr Imad Al Sagar | Watership Down Stud |
| Ecurie des Monceaux | Myriad Bloodstock & Communications Ltd | Mr M E Wates |
| Ecurie Peregrine SAS | Mystic Meg Limited | Mrs C L Weld |
| Elms Stud Company Ltd | Mr Robert Nahas | Wentworth Racing Pty Ltd |
| Epona Bloodstock Ltd | Nawara Stud Co Ltd | Wertheimer & Frere |
| Mr K Fallon | Mrs Liz Nelson | West Stow Stud Ltd |
| Dr Thorsten Feddern | New England Stud Farm Ltd | Mrs Anita Wigan |
| Miss J Feilden | Newsells Park Stud Ltd | Mr Hans Wirth |
| Fittocks Stud Ltd | Mr Philip Newton | Withyslade |
| Floors Farming | Mr Bjorn Nielsen | Wood Hall Stud Limited |
| Mrs Aliette Forien | Norcroft Park Stud | Wood Nook Farm Pty Ltd |