| 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 |
| Sensi Seeds ↗ | Netherlands | 83 | CB Expo, Canapa Mundi, CannaBusiness, CannaDouro +12 | 2026 |
| Barney's Farm Genetics ↗ | Netherlands | 62 | Athens Cannabis Expo, CB Expo, Canapa Mundi, Canapa in Mostra +13 | 2026 |
| FAST BUDS ↗ | Spain, Netherlands | 46 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi, Cannafest +7 | 2026 |
| Delicious Seeds ↗ | Spain, Netherlands | 38 | Canapa Mundi, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2026 |
| BULK SEED BANK ↗ | Slovenia, United Kingdom | 38 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra +6 | 2026 |
| Vision Seeds ↗ | Netherlands | 36 | Canapa Mundi, Canapa in Mostra, Cannafair, Cannafest +4 | 2025 |
| Buddha Seeds ↗ | Spain | 28 | BALKANNABIS EXPO, Canapa Mundi, Cannabizz Warsaw, Cannafest +5 | 2026 |
| 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 |
| Dinafem ↗ | Spain | 49 | 4.20 Hemp Fest, Canapa Mundi, Canapa in Mostra, Cannabizz Warsaw +11 | 2020 |
| Serious Seeds ↗ | Netherlands, Belgium | 46 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2026 |
| Pyramid Seeds ↗ | Spain | 28 | Canapa Mundi, Cannafest, Cultiva Hanfexpo, Expocannabis +5 | 2024 |
| Ripper Seeds ↗ | Spain | 23 | Cannafest, Expocannabis Sur, Expogrow, GrowMed +3 | 2026 |
| Exoticseed ↗ | Netherlands, Spain | 29 | Canapa Mundi, CannaFriends, Cannafair, Cannafest +5 | 2026 |
| Blimburn Seeds ↗ | Spain | 24 | BALKANNABIS EXPO, Canapa Mundi, Cannafest, Cultiva Hanfexpo +6 | 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 |
| BULLDOG AMSTERDAM ↗ | Netherlands | 36 | Athens Cannabis Expo, Canapa Mundi, Cannabis Liberation Day, Cannafair +8 | 2026 |
| KALASHNIKOV SEEDS ↗ | Russia, Spain | 15 | Athens Cannabis Expo, Canapa Mundi, Cannafest, Cultiva Hanfexpo +4 | 2022 |
| Medical Seeds | Spain | 15 | Cannafest, Cultiva Hanfexpo, Expogrow, Spannabis | 2025 |
| Cannashock ↗ | Netherlands | 69 | 4.20 Hemp Fest, Athens Cannabis Expo, Canapa Mundi, CannaDouro +15 | 2026 |
| T.H.Seeds ↗ | Netherlands | 16 | Cannafest, Cultiva Hanfexpo, Expogrow, North Grow +1 | 2025 |
| Exclusive Seeds Bank ↗ | Spain | 11 | BALKANNABIS EXPO, Expogrow, Spannabis | 2026 |
| La Semilla Automática | Spain | 7 | CannaDouro, Cannafest, Expogrow, Spannabis | 2022 |
| Holy Seeds Bank ↗ | Spain | 6 | Cannafest, Expogrow, Spannabis | 2022 |
| Eva Seeds ↗ | Spain | 10 | Cannafest, Expogrow, GrowMed, Spannabis | 2023 |
| Purple City Genetics ↗ | Spain | 8 | CannaFestival, Expogrow, ICBC Berlin, Mary Jane Berlin +1 | 2026 |
| PLANTASUR TRADING SL ↗ | Spain | 63 | BALKANNABIS EXPO, Canapa Mundi, CannaDouro, CannaTrade +11 | 2026 |
| Nirvana Seeds ↗ | Spain, Netherlands | 17 | CannaBusiness, CannaTrade, Cannafest, Cultiva Hanfexpo +3 | 2022 |
| Humboldt Seed Organization ↗ | Austria, United States | 9 | Expogrow, Product Earth, Spannabis | 2023 |
| Pepita Seeds | Spain | 9 | Cannafest, Expogrow, Spannabis | 2018 |
| Sumo Seeds ↗ | Netherlands, Spain | 9 | Cannafair, Cannafest, Cultiva Hanfexpo, Expogrow +2 | 2019 |
| BSF Seeds ↗ | Spain | 8 | Canapa Mundi, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2025 |
| Élite Seeds | Spain | 7 | Expogrow, GrowMed, Spannabis | 2023 |
| Genofarm | Spain | 8 | Canapa in Mostra, Expogrow, Product Earth, Spannabis | 2019 |
| KK2 Trading b.v. ↗ | Netherlands | 5 | Cannafest, Expogrow, Mary Jane Berlin | 2026 |
| The Plug Seed Bank | Spain | 4 | Expogrow, Spannabis | 2022 |
| V Elementum Seeds Co. | Spain | 3 | Expogrow, Spannabis | 2022 |
| Hemp Passion ↗ | United Kingdom, Spain | 18 | Canapa Mundi, Canapa in Mostra, Cannafest, Cultiva Hanfexpo +5 | 2019 |
| NATURAL SYSTEMS ↗ | Spain | 17 | Cannafair, Cannafest, Expogrow, Mary Jane Berlin +2 | 2026 |
| Pura Vida CBD ↗ | Netherlands, Spain | 16 | BALKANNABIS EXPO, Canapa Mundi, Cannabis Liberation Day, Cannafest +7 | 2024 |
| Advanced Seeds ↗ | — | 8 | Cultiva Hanfexpo, Expocannabis, Expogrow | 2022 |
| CBD Seeds ↗ | Spain | 7 | Canapa in Mostra, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2015 |
| Genehtik ↗ | Spain, Italy | 7 | Canapa Mundi, Canapa in Mostra, Expogrow, Spannabis | 2023 |
| Grass O Matic | Spain | 6 | Canapa Mundi, Cannafest, Expogrow, GrowMed +1 | 2015 |
| Venus Genetics | Spain | 6 | Expogrow, Spannabis | 2019 |
| The Cali Connection ↗ | United States | 5 | Canapa Mundi, Cannafest, Expogrow, Spannabis | 2023 |
| 00 Seeds ↗ | — | 4 | Expogrow | 2022 |
| French Touch Seeds ↗ | — | 4 | Expogrow | 2022 |
| Bask Triangle Farms ↗ | Spain | 3 | Expogrow, Mary Jane Berlin, Spannabis | 2025 |
| BBG PROJECTS ↗ | Spain | 3 | Cannafest, Expogrow, Spannabis | 2021 |
| Mr. Hide ↗ | — | 3 | Expogrow | 2022 |
| The Plant Organic Seeds ↗ | Spain | 3 | Expogrow, Spannabis | 2018 |
| Exclusive Seed Bank ↗ | — | 2 | Expogrow | 2019 |
| Green Wish | — | 2 | Expogrow | 2019 |
| Holiday Exotics | Spain | 2 | Cannafest, Expogrow | 2018 |
| Mavericks Seeds | — | 2 | Expogrow, Mary Jane Berlin | 2026 |
| No Border Seeds | — | 2 | Expogrow | 2019 |
| 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 |
| Secret Jardin ↗ | Belgium | 25 | Canapa in Mostra, Cannafest, Cultiva Hanfexpo, Expocannabis +4 | 2025 |
| Qnubu ↗ | Spain | 19 | CannaTrade, Cannafest, Cultiva Hanfexpo, Expogrow +2 | 2026 |
| Phytolite | Italy, Bulgaria | 17 | Canapa Mundi, Cannafest, Cultiva Hanfexpo, Expogrow +4 | 2024 |
| Aptus Plant Tech ↗ | Netherlands, Germany | 15 | CannaTrade, Cannafest, Expogrow, Mary Jane Berlin +2 | 2026 |
| CBD ALCHEMY ↗ | France, Italy | 15 | 4.20 Hemp Fest, CBD Expo France, Canapa Mundi, Cannafest +3 | 2025 |
| GREEN BROTHERS ↗ | Switzerland, Luxembourg | 15 | Athens Cannabis Expo, CB Expo, CBD Expo France, Cannabizz Warsaw +7 | 2026 |
| Pure Seeds | Spain | 7 | Expogrow, GrowMed, IndicaSativa Trade, Spannabis | 2018 |
| Druid Nutrients ↗ | Netherlands | 6 | Cannafair, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2025 |
| Philosopher Seeds ↗ | Spain | 6 | Expogrow, IndicaSativa Trade, Spannabis | 2021 |
| CBD Crew ↗ | Spain | 5 | Expogrow, GrowMed, Spannabis | 2018 |
| Expert Seeds ↗ | Ireland | 5 | Expogrow, Product Earth, Spannabis | 2019 |
| Medical Marijuana Genetics ↗ | United Kingdom | 5 | Cannafest, Cultiva Hanfexpo, Expogrow, IndicaSativa Trade | 2018 |
| Reggae Seeds ↗ | Spain | 5 | Expogrow, Spannabis | 2018 |
| Attitude Distribution ↗ | Spain | 4 | Canapa Mundi, Expogrow, Spannabis | 2016 |
| BBSeeds ↗ | — | 3 | Cannafair, Expogrow, Spannabis | 2026 |
| Histoire de Graines ↗ | — | 3 | Expogrow | 2022 |
| Botanimatik | — | 2 | Expogrow, IndicaSativa Trade | 2018 |
| Breeder Seeds Crew | — | 2 | Expogrow | 2019 |
| Calibiza Seeds | Spain | 2 | Expogrow, Spannabis | 2023 |
| Jatari Seeds | Spain | 2 | Expogrow, Spannabis | 2023 |
| Loud Seeds | Spain | 2 | Expogrow, Spannabis | 2022 |
| Roor Seeds | Netherlands | 2 | Cannafest, Expogrow | 2013 |
| Aficionado French Connection | — | 1 | Expogrow | 2019 |
| Green Tibet Seeds | — | 1 | Expogrow | 2019 |
| Low Cost Seeds Bank | — | 1 | Expogrow | 2018 |
| Mory Kush | — | 1 | Expogrow | 2018 |
| Nilsson Seeds | — | 1 | Expogrow | 2019 |
| Oxi Seeds | — | 1 | Expogrow | 2019 |
| Professional Seeds | — | 1 | Expogrow | 2019 |
| Samatha Seeds | — | 1 | Expogrow | 2019 |
| Scorpion Seeds | — | 1 | Expogrow | 2018 |
| SMOKAZseeds | — | 1 | Expogrow | 2018 |
| The Outlaw Seeds | — | 1 | Expogrow | 2019 |
| Wanted Seeds | — | 1 | Expogrow | 2018 |