For more information and/of bidding at the Tulip Sale you can contact the following persons:
| Name | Country | Phone number | |
| A.L.H. Genetics B.V. | Netherlands | (+31) 0511-424243 | info@alh-genetics.nl |
| Adolf Langhout | Netherlands | (+31) 06-53410490 | adolf@alh-genetics.nl |
| Arjan Werkhoven | Netherlands | (+31) 06-51608017 | arjan@alh-genetics.nl |
| Adrion van Beek | Netherlands | (+31) 06-22410126 | |
| Ids Hellinga | Netherlands | (+31) 06-50663322 | |
| Erica Rijneveld | Netherlands | (+31) 06-51527489 | |
| Berber van Amerongen | Netherlands | (+31) 06-54796317 | |
| Bernard Deconink | Belgium | (+32) 04790-23039 | |
| Robert Bruinsma | Danmark | (+45) 02263-6232 | |
| Arno Grengs | Germany | (+49) 01520-2618827 | |
| Torsten Lenk | Germany | (+49) 01788-470400 | |
| Bernd Sommer | Germany | (+49) 0170-8306092 | |
| Jonas Melbaum | Germany | (+49) 0173-4588469 | |
| Isaac Lancaster | UK | (+44) 07739-566538 | |
| Frederic Lepoint | France | (+33) 06804-50418 | |
| Melanie Troffique | France | (+33) 06777-07345 | |
| Michael Taaffe | Ireland | (+353) 08625-45132 | |
| Brian Taaffe | Ireland | (+353) 08686-26530 | |
| Steve McLoughlin | Ireland | (+353) 08768-71124 | |
| Claudio Mariani | Italy | (+39) 33-55321140 | |
| Angelo Pozzatti | Italy | (+39) 33-56776396 | |
| Paul Dunn | N-Ireland | (+44) 07837-383040 | |
| Alberto Medina | Spain | (+34) 06693-59279 | |
| Beat Schmid | Switzerland | (+41) 07880-70630 | |
| Brian Behnke | United States | (+00) 1-608-279-2016 | |
| Aaron Ray Tompkins | Cowbuyer.com | (+00) 1-336-363-4639 |
Online bidding: COWBUYER.COM
