| 1 | 2 | 3 |
| 1 | Asgrow International Corp. | Kalamazoo, 7000 Portage Road, US-49001 Michigan |
| 10 | Brotherton Seed Co. Inc. | PO Box 1136, Moses Lake, US-98837 Washington |
| 11 | Bruinsma Selectiebedrijven BV | Postbus 24, 2670 AA Naaldwijk, Nederland |
| 15 | Nickerson Seeds Ltd | Joseph Nickerson Research Centre, LN7 6DT Rothwell, Lincoln, United Kingdom |
| 18 | L. Dæhnfeldt A/S | Postboks 815, DK-5100 Odense C |
| 23 | Elsoms Seeds Ltd | Pinchbeck Road, PE11 1QG Spalding, Lincolnshire, United Kingdom |
| 29 | Advanta Seeds UK | Boothby Graffoe, LN5 0LF Lincoln, Lincolnshire, United Kingdom |
| 31 | Jos Huizer Zaden BV | Postbus 2003, 2980 CA Ridderkerk, Nederland |
| 37 | Sunseeds Genetics Inc. | PO Box 1438, Hollister, US-95024 California |
| 38 | E.W. King & Co. Ltd. | Monks Farm, Pantlings Lane, Coggeshall Road, CO5 9PG Kelvedon, Essex, United Kingdom |
| 45 | Plant Breeding International Cambridge Ltd | Maris Lane Trumpington, CB2 2LQ Cambridge, United Kingdom |
| 54 | Pure Line Seeds Inc. | PO Box 8866, US-83843 Moscow, Idaho |
| 56 | W. Robinson & Sons | Sunny Bank, Forton, PR3 OBN Preston, Lancashire, United Kingdom |
| 60 | Sakata Seed Corporation | PO Box 20, Aoba, 2-7-1 Nakamachidai, Tsuzuki-ku, JP-224 Yokohama |
| 63 | Advanta Seeds UK Ltd | Boston Road, NG34 7HA Sleaford, Lincolnshire , United Kingdom |
| 65 | Novartis seeds BV | Westeinde 62, Postbus 2, 1600 AA Enkhuizen, Nederland |
| 66 | Southern Cross Seeds Pty Ltd. | PO Box 118, Bulleen, AU-3105 Victoria |
| 69 | Suttons Consumer Products Ltd. | Hele Road, TQ2 7QJ Torquay, Devon, United Kingdom |
| 71 | Takii & Co. Ltd. | PO Box 7, Umekoji-Inokuma, JP-180 Kyoto |
| 78 | A Yates & Co.Ltd. | PO Box 72 Revesby, New South Wales, Australia |
| 79 | Samuel Yates Ltd. | Withyfold Drive, SK10 2BE Macclesfield, Cheshire , United Kingdom |
| 82 | Tézier Frères | BP n° 336, avenue Victor Hugo 471, F-26002 Valence-sur-Rhône |
| 83 | Petoseed Co Inc | PO Box 4206, US-93003 Saticoy, California |
| 94 | Edwin Tucker & Sons Ltd. | Brewery Meadow, Stone Park, Ashburton, TQ13 7DG Newton Abbot, Devon , United Kingdom |
| 116 | Carl Sperling & Co. | Hamburger Straße 27, Postfach 2640, D-2120 Lüneburg |
| 118 | R.A.Gibson (Colesden) Ltd. | Bell Farm, Colesden, MK44 3DB Bedford, United Kingdom |
| 121 | Scottish Crop Research Institute | Invergowrie, DD2 5DA Dundee, Scotland, United Kingdom |
| 122 | Holland-Select Research BV | Postbus 27, 1619 ZG Andijk, Nederland |
| 128 | Germinal Holdings Ltd | Commercial Road, BT32 3ES Banbridge, Down., United Kingdom |
| 137 | Harris Moran Seed Company | 26239 Executive Place, US-94545 Hayward CA |
| 151 | E. Benary Samenzucht GmbH | Postfach 1127, D-3510 Hann-Münden 1 |
| 154 | L. Clause SA | Avenue Lucien Clause 1, F-91220 Brétigny-sur-Orge |
| 155 | Crites-Moscow Growers Inc. | PO Box 8912, US-83843 Moscow, Idaho |
| 158 | Ferry Morse Seed Co. | PO Box 4938, US-95352 Modesto, California |
| 166 | Walter Karl Hild | D-7142 Marbach |
| 168 | W.W. Johnson & Son Ltd. | Stells Lane, PE21 8AD Boston, Lincolnshire , United Kingdom |
| 176 | J.E. Ohlsens Enke A/S | Faborgvej 248 PO Box 185, DK-5100 Odense |
| 179 | Pieterpikzonen | Postbus 95, 8400 AB Heerenveen, Nederland |
| 181 | Jos Reyers BV | Postbus 20, 3330 AA Zwijndrecht, Nederland |
| 189 | A.L. Tozer Ltd. | Pyports, Downside Bridge Road, KT11 3EH Cobham, Surrey, United Kingdom |
| 191 | Unilever PLC | Patent Division, Colworth House, MK44 1LQ Sharnbrook, Bedford, United Kingdom |
| 192 | Unwin Seeds Ltd. | Histon, CB4 4LE Cambridge, United Kingdom |
| 196 | Van Waveren Saaten GmbH | Bordeler Berg 4, D-37127 Dransfeld |
| 201 | Zelder BV Landgoed Zelder | 6595 NW Ottersum, Nederland |
| 202 | Rijk Zwaan's Zaadteelt en Zaadhandel BV | Postbus 40, 2678 ZG De Lier, Nederland |
| 210 | De Corato Sementi | PO Box 68, I-70031 Andria, Bari |
| 216 | Barenbrug Holland B.V. | Postbus 4, 6800 AA Arnhem, Nederland |
| 227 | Bakker Bros | Postbus 7, 1723 ZG Noord-Scharwoude, Nederland |
| 229 | W.A. Church (Bures) Ltd | High Street, Co8 5JQ Bures, Suffolk, United Kingdom |
| 249 | Novartis Seeds Ltd. | 17 Summerwood Lane, Halsall, L39 8TH Ormskirk, Lancashire, United Kingdom |
| 251 | Fukukaen Nursery & Bulb Co. | No 9-29 2-chome, Matsubara, Haka-Ku, JP Nagoya |
| 258 | Nickerson Zwaan BV | Postbus 19, 2990 AA Barendrecht, Nederland |
| 262 | Floranova Ltd. | Norwich Road, Foxley, NR20 4SS Dereham, Norfolk , United Kingdom |
| 287 | The Musashino Seed Co. | 26-10 Minami Ikebukuro 1-chome, Toshima-Ku, JP Tokyo |
| 290 | Fujiwara Seed Co. | 898-1 Naka, Kaizuka-Shi, 597 0003 Osaka, Japan |
| 548 | J. Joordens Zaadhandel BV | Postbus 7823, 5995 ZG Kessel, Nederland |
| 571 | Rijksstation voor Plantenveredeling | Caritasstraat 21, B-9090 Melle |
| 1001 | Western Hybrid Seeds Inc | PO Box 1169, US-95951 Hamilton City, California |
| 1024 | PGG Wrightson | Kimihia Research Centre PO Box 939 Christchurch, New Zealand |
| 1027 | Thomas Schreurs Produce | 100 Campbells Road, AU-3978 Clyde, Victoria |
| 1038 | Cygnet Potato Breeders Ltd | Thomanean, Milnatort, KY13 0RF Kinross, Scotland, United Kingdom |
| 1273 | Mayfield Garden Centre Ltd | TD5 7AU Kaiso, Roxburghshire, United Kingdom |
| 1315 | Perryfields Holding Ltd | Thorn Farm, Evesham Road, WR7 4LJ Inkberrow, Worcestershire, United Kingdom |
| 1327 | J.W. Boyce | Carter Street, Fordham , CB7 5JU Ely, Cambridgeshire, United Kingdom |
| 1371 | Donald Reed | 3334 NYS Route 215, US-13045 Cortland, New York |
| 1384 | Peas and Beans Ltd | 5 Minister Yard, LN2 IPJ Lincoln, United Kingdom |
| 1441 | Horticulture Research International | Wellesbourne, CV35 9EF Warwick, United Kingdom |
| 1606 | David Threteway Seeds | 38 Electric Station Road, NG34 7QJ Sleaford, Lincolnshire |
| 1667 | Panamerican Seed | 24 West End, Wilburton, CB6 3RE Ely, Cambridgeshire, United Kingdom |
| 1717 | Svalöf Weibull AB | S-26881 Svalöf |
| 1722 | Seeds Express | Rookfield, Horbling, NG34 0JF Sleaford, Lincolnshire, United Kingdom |
| 1839 | Betty Frances and Sally Fiona Tomlinson | Vilna House, Withy Lane, Broxton, CH3 9JP Chester, Cheshire, United Kingdom |
| 1870 | Nellen Seeds | Voorstraat 149, 3311 EN Dordrecht, Nederland |
| 1908 | Petoseed Co. | PB 22, 1600 AA Enkhuizen, Nederland |
| 6019 | Campbell Grocery Products Ltd | Batchelors Factory Claylands Avenue, S81 7AY Worksop, Nottinghamshire, United Kingdom |
| 6043 | H L Hutchinson Ltd | Broad Piece, Soham, CB7 5EL Ely, Cambridgeshire |