| Royal Queen Seeds ↗ | Spain, Netherlands | 78 | Athens Cannabis Expo, BALKANNABIS EXPO, CB Expo, Canapa Mundi +15 | 2026 |
| Sweet Seeds ↗ | Spain, Netherlands | 77 | 4.20 Hemp Fest, Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi +13 | 2025 |
| Paradise Seeds ↗ | Netherlands | 76 | 4.20 Hemp Fest, Canapa Mundi, CannaTrade, Cannabis Tipo Forte +11 | 2026 |
| Green House Seeds ↗ | Netherlands | 78 | BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra, CannaTrade +12 | 2026 |
| Dutch Passion ↗ | Netherlands, Spain | 61 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi, CannaTrade +9 | 2026 |
| Barney's Farm Genetics ↗ | Netherlands | 62 | Athens Cannabis Expo, CB Expo, Canapa Mundi, Canapa in Mostra +13 | 2026 |
| Delicious Seeds ↗ | Spain, Netherlands | 38 | Canapa Mundi, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2026 |
| Vision Seeds ↗ | Netherlands | 36 | Canapa Mundi, Canapa in Mostra, Cannafair, Cannafest +4 | 2025 |
| Doctor's Choice ↗ | Canada, Czechia | 24 | Canapa Mundi, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2026 |
| Kannabia ↗ | Spain | 43 | Canapa Mundi, CannaDouro, Cannafair, Cannafest +8 | 2024 |
| Positronics Seeds ↗ | Spain, United States | 30 | Canapa Mundi, Cannafair, Cannafest, Cultiva Hanfexpo +6 | 2026 |
| Seedstockers ↗ | Spain, Netherlands | 28 | Athens Cannabis Expo, BALKANNABIS EXPO, CB Expo, Canapa Mundi +6 | 2026 |
| Serious Seeds ↗ | Netherlands, Belgium | 46 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2026 |
| Exoticseed ↗ | Netherlands, Spain | 29 | Canapa Mundi, CannaFriends, Cannafair, Cannafest +5 | 2026 |
| DNA Genetics ↗ | Netherlands | 27 | Cannafair, Cannafest, Cultiva Hanfexpo, Expogrow +2 | 2025 |
| Super Strains Seeds ↗ | Netherlands | 29 | Cannabis Liberation Day, Cannafair, Cannafest, Cultiva Hanfexpo +4 | 2025 |
| Silent Seeds ↗ | Netherlands | 15 | Cannafair, Cannafest, IndicaSativa Trade, Mary Jane Berlin +2 | 2026 |
| GEA SEEDS ↗ | Spain | 14 | Canapa Mundi, Cannafair, Mary Jane Berlin, Spannabis | 2026 |
| BULLDOG AMSTERDAM ↗ | Netherlands | 36 | Athens Cannabis Expo, Canapa Mundi, Cannabis Liberation Day, Cannafair +8 | 2026 |
| Anesia Seeds® ↗ | Spain | 12 | CB Expo, Cannafair, Cannafest, KONOPEX +2 | 2026 |
| Ganesha Seeds ↗ | Netherlands | 14 | CannaDouro, CannaFestival, Cannafair, Cannafest +4 | 2025 |
| Cannashock ↗ | Netherlands | 69 | 4.20 Hemp Fest, Athens Cannabis Expo, Canapa Mundi, CannaDouro +15 | 2026 |
| Seedsman ↗ | Spain, United Kingdom | 24 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa in Mostra, CannaTrade +8 | 2026 |
| PLANTASUR TRADING SL ↗ | Spain | 63 | BALKANNABIS EXPO, Canapa Mundi, CannaDouro, CannaTrade +11 | 2026 |
| Basil Bush ↗ | United Kingdom | 20 | Cannafair, Cannafest, Cultiva Hanfexpo, Spannabis | 2024 |
| Positronic Seeds ↗ | Spain, Netherlands | 9 | Cannafair, Cannafest, Spannabis | 2024 |
| Sumo Seeds ↗ | Netherlands, Spain | 9 | Cannafair, Cannafest, Cultiva Hanfexpo, Expogrow +2 | 2019 |
| Amsterdam Seed Center ↗ | Netherlands | 17 | CannaTrade, Cannabis Liberation Day, Cannafair, Cannafest +3 | 2026 |
| Nasha Genetics ↗ | Spain | 7 | Cannafair, Cultiva Hanfexpo, Mary Jane Berlin, Product Earth +1 | 2026 |
| Pars Planet ↗ | Austria | 7 | CannaFestival, Cannafair, Cultiva Hanfexpo, KONOPEX +2 | 2026 |
| Christiania Seeds ↗ | Denmark | 6 | Cannafair, Cannafest, Mary Jane Berlin, North Grow | 2026 |
| DMK 710 ↗ | Germany | 5 | CannaFestival, Cannafair, Mary Jane Berlin | 2026 |
| Seeds Genetics Co. ↗ | Netherlands | 5 | Cannafair, Cannafest, Mary Jane Berlin | 2026 |
| Weed.de | Germany, Malta | 5 | Cannafair, ICBC Berlin, Mary Jane Berlin | 2026 |
| Ganja Farmer ↗ | Poland | 4 | Cannafair, Cannafest, Mary Jane Berlin | 2026 |
| Indras Planet | Austria | 22 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +1 | 2025 |
| NATURAL SYSTEMS ↗ | Spain | 17 | Cannafair, Cannafest, Expogrow, Mary Jane Berlin +2 | 2026 |
| Packiro GmbH ↗ | Germany | 9 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2024 |
| S&R Organics ↗ | Germany | 8 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +1 | 2026 |
| Seed Supplier ↗ | Germany | 5 | CannaFestival, Cannafair, HamCan, Mary Jane Berlin | 2026 |
| High4Life ↗ | Germany | 4 | CannaFestival, CannaFriends, Cannafair, Mary Jane Berlin | 2025 |
| Bud Voyage ↗ | Germany | 3 | Cannafair, Cannafest, Mary Jane Berlin | 2025 |
| IZI ↗ | Czechia | 3 | Cannafair, Mary Jane Berlin | 2025 |
| IZI Seeds ↗ | Czechia | 3 | Cannafair, Cannafest | 2025 |
| Snail Custom Rolling Papers ↗ | Slovenia, Netherlands | 69 | 4.20 Hemp Fest, Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi +10 | 2026 |
| Biohorti SL - BioTabs ↗ | Spain, Netherlands | 45 | BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra, CannaDouro +10 | 2026 |
| Grow In AG ↗ | Germany | 41 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2026 |
| Hy-Pro ↗ | Netherlands | 33 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2024 |
| Grower's Choice | Netherlands | 19 | Cannabis Liberation Day, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2025 |
| Athena Ag ↗ | United States | 17 | Cannafair, Cannafest, IndicaSativa Trade, Mary Jane Berlin +1 | 2026 |
| Greenception ↗ | Germany, Switzerland | 13 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +2 | 2025 |
| Florganics ↗ | Germany | 11 | CannaFriends, Cannabis XXL, Cannafair, Cannafest +2 | 2025 |
| Druid Nutrients ↗ | Netherlands | 6 | Cannafair, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2025 |
| Arvaloo GmbH ↗ | Germany | 5 | CB Expo, Cannafair, Mary Jane Berlin | 2025 |
| Fenix MTX | Germany | 5 | Cannafair, Cannafest, Cultiva Hanfexpo | 2024 |
| Puffy ↗ | United States, Czechia | 5 | Cannafair, Cannafest, KONOPEX, Mary Jane Berlin | 2026 |
| Seed Cloud | — | 5 | CannaFestival, Cannafair, Cultiva Hanfexpo, Mary Jane Berlin | 2026 |
| DutchFem | Netherlands | 4 | Cannabis Liberation Day, Cannafair, Cannafest | 2025 |
| Norddampf ↗ | Germany | 4 | Cannafair, Mary Jane Berlin | 2026 |
| BBSeeds ↗ | — | 3 | Cannafair, Expogrow, Spannabis | 2026 |
| Mainhattan Seeds ↗ | Germany | 3 | CannaFriends, Cannafair, Mary Jane Berlin | 2025 |
| Meca420 GmbH ↗ | Germany | 3 | Cannafair, Mary Jane Berlin | 2026 |
| Wolke ↗ | — | 3 | CannaFriends, Cannafair | 2025 |
| Female Seeds ↗ | — | 2 | Cannafair, Cannafest | 2019 |
| MJ3 Electronics | Spain | 2 | Cannafair, Mary Jane Berlin | 2024 |
| Stip.Seeds | — | 2 | Cannafair, Cultiva Hanfexpo | 2023 |