| 2008 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | ColKoi |
| Clearwater Koi | Dock Koi | Edeni Koi Farm |
| Fuji Fish & Foods | Healthy Koi | Isle of Ely Koi |
| Koi Carp Magazine | Koi UK | Koi Water Barn |
| Lincolnshire Koi | Maple Koi | Nippon Nishikigoi |
| Rift Valley Koi | Shingoi | Sing Chang Koi Farm(TW) |
| South Coast Koi | Sussex Koi | Takazumi Koi Food |
| Ultimate Koi | Viresco Aqua | Walcot Koi |
| Worthing Aquatics | York Koi | Yume Nishikigoi |
| 2007 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | Aqualflow |
| Aquarius Koi | Coastal Koi | Clearwater Koi |
| Fuji Fish & Foods | Gatwick Koi | ColKoi |
| Koi Carp Magazine | Koi UK | Koi Magazine |
| Lincolnshire Koi | Nippon Nishikigoi | Nishikigoi.TV |
| Rift Valley Koi | Sing Chang Koi Farm(TW) | Sussex Koi |
| Takazumi Koi Food (NL) | Taurus Ornamental | Ultimate Koi |
| Virasure Koi | Viresco Aqua | Walcot Koi |
| Worthing Aquatics | York Koi | Yume Nishikigoi |
| 2006 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | Alternative Aquatics |
| Aquaflow | Boddington Koi | Aquarius Koi |
| Callictus NL | Crownpark Koi | Fuji Fish & Foods |
| Gatwick Koi | John Wenman & Son | JoSo Products |
| Keston Koi | Koi Fu Do | Koi Polloi |
| Koi Carp Magazine | Koi UK | Lincolnshire Koi |
| Maple Koi | Nippon Nishikigoi | Sing Chang Koi Farm (TW) |
| Sussex Koi | T.C. Koi | Taurus Ornamental |
| Ultimate Koi | Virasure Koi | Viresco Aqua |
| Walcot Koi | Walesby Aquatics | Worthing Aquatics |
| York Koi | ||
| 2005 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | Alternative Aquatics |
| Boddington Koi | Callictus NL | Clearwater Koi Direct |
| Crownpark Koi | Gatwick Koi | John Wenman & Son |
| JoSo Products | Keston Koi | Koi's Den |
| Koi Polloi | Koi Carp Magazine | Lincolnshire Koi |
| Nippon Nishikigoi | N.T. Laboratories | Rainbow Koi |
| Selective Koi Sales | Sing Chang Koi Farm (TW) | Silver Steel Fabrications |
| Sussex Koi | Taurus Ornamental | Ultimate Koi |
| Viresco Aqua | Walcot Koi | Walesby Aquatics |
| Worthing Aquatics | York Koi | Yume Nishikigoi |
| 2004 | ||
|---|---|---|
| Ace of Koi | Alternative Aquatics | Cerafer Sarl (LU) |
| CK Koi | Clearwater Koi Direct | CrownparkKoi |
| Gatwick Koi | John McLauchlan | Viresco Aqua |
| Keston Koi | Koi Care Aquatic Consultants | Koi's Den |
| L.E.Koi | Lincolnshire Koi | Maple Koi |
| Nishikigoi Centre | N.T. Laboratories | Northern Koi & Aquatics |
| Selective Koi Sales | Simply Koi | Taurus Ornamental |
| Ultimate Koi | Walcot Koi | T C Koi |
| Worthing Koi | York Koi | Yume Nishikigoi |
| Worthing Aquatics | John Wenman & Son | Koi Carp Magazine |
| 2003 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | Alternative Aquatics |
| CK Koi | Clearwater Koi Direct | Crownpark Koi |
| Gatwick Koi | John McLauchlan | John Wenman & Sons |
| Keston Koi | Koi Care Consultants | Koi Carp Magazine |
| Koi's Den | Koi Keepers Magazine | L.E.Koi |
| Lincolnshire Koi | Maple Koi | Midland Koi Centre |
| Nishikigoi Centre | Northern Koi & Aquatics | RTF (Rodney Firmin) |
| Selective Koi Sales | Shaun's Koi | Simply Koi |
| TC KOI | Taurus Ornamental | Ultimate Koi |
| Walcot Koi | Worthing Koi | York Koi |
| Yume Nishikigoi | ||
| 2002 | ||
|---|---|---|
| Ace of Koi | Allandale Practice | Alternative Aquatics |
| CK Koi | Clearwater Koi Direct | Conquest Koi |
| Crownpark Koi | John Mclauchlan | Gatwick Koi |
| Keston Koi | Koi Water Barn | Koi's Den |
| L.E.Koi | Lincolnshire Koi | Maple Koi |
| Nishikigoi Centre | Shaun's Koi | Northern Koi & Aquatics |
| Selective Koi Sales | Simply Koi | Taurus Ornamental |
| Ultimate Koi | Walcot Koi | WCF Kusuri |
| Worthing Koi | York Koi | Yume Nishikigoi |