| Hesi Plantenvoeding BV ↗ | Netherlands | 80 | Athens Cannabis Expo, Canapa Mundi, CannaBusiness, CannaTrade +11 | 2026 |
| Canna ↗ | Spain, Czechia | 68 | Canapa Mundi, CannaDouro, CannaFriends, CannaTrade +14 | 2026 |
| Mills Nutrients ↗ | Netherlands | 47 | Athens Cannabis Expo, Canapa Mundi, CannaTrade, Cannafair +8 | 2026 |
| Terra Aquatica ↗ | France | 77 | Canapa Mundi, Canapa in Mostra, CannaBusiness, CannaDouro +11 | 2026 |
| Atami ↗ | Spain, Germany | 99 | Athens Cannabis Expo, BALKANNABIS EXPO, CB Expo, Canapa Mundi +18 | 2026 |
| Plagron ↗ | Netherlands | 65 | CB Expo, Canapa Mundi, CannaBusiness, CannaTrade +10 | 2026 |
| Biobizz Worldwide S.L. ↗ | Spain, Netherlands | 58 | Canapa Mundi, CannaBusiness, CannaDouro, CannaTrade +11 | 2026 |
| Advanced Nutrients ↗ | Spain, Canada | 43 | BALKANNABIS EXPO, Canapa in Mostra, CannaDouro, CannaTrade +11 | 2026 |
| Metrop ↗ | Netherlands | 29 | CannaDouro, CannaTrade, Cannafair, Cannafest +6 | 2026 |
| Simply Organic S.L. | Spain | 7 | Spannabis | 2025 |
| Advanced Hydroponics of Holland BV ↗ | Netherlands, Italy | 55 | Athens Cannabis Expo, Canapa Mundi, CannaTrade, Cannafair +9 | 2026 |
| Growth Technology Ltd ↗ | United Kingdom | 45 | 4.20 Hemp Fest, Canapa in Mostra, CannaBusiness, CannaTrade +8 | 2026 |
| BAC ↗ | Netherlands, Spain | 21 | BALKANNABIS EXPO, Canapa Mundi, CannaDouro, Cannafair +5 | 2026 |
| Xpert Nutrients ↗ | Spain | 18 | Canapa Mundi, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2026 |
| Athena Ag ↗ | United States | 17 | Cannafair, Cannafest, IndicaSativa Trade, Mary Jane Berlin +1 | 2026 |
| Monkey Soil ↗ | Spain | 17 | Canapa Mundi, Cannafest, Expogrow, IndicaSativa Trade +2 | 2025 |
| Cannaboom ↗ | Spain | 16 | Cannafest, Expogrow, Mary Jane Berlin, Spannabis | 2025 |
| LURPE NATURAL SOLUTIONS ↗ | Spain | 16 | Canapa Mundi, CannaDouro, Cultiva Hanfexpo, Expogrow +3 | 2026 |
| Pro-XL Complete & Concentrated SLU ↗ | Spain | 9 | Mary Jane Berlin, Spannabis | 2025 |
| Bio Nova ↗ | Netherlands, Spain | 33 | Canapa Mundi, CannaBusiness, CannaTrade, Cannafair +6 | 2022 |
| Grotek ↗ | Canada, Spain | 28 | BALKANNABIS EXPO, CB Expo, Canapa Mundi, Cannafest +5 | 2024 |
| Excellent Nutrients ↗ | Spain | 5 | Expogrow, Spannabis | 2025 |
| Biohorti SL - BioTabs ↗ | Spain, Netherlands | 45 | BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra, CannaDouro +10 | 2026 |
| Aptus Holland ↗ | Netherlands | 30 | CannaDouro, CannaTrade, Cannafest, Cultiva Hanfexpo +6 | 2026 |
| Dutchpro ↗ | Netherlands, Poland | 18 | CannaFriends, Cannafair, Cannafest, Cultiva Hanfexpo +4 | 2026 |
| Aptus Plant Tech ↗ | Netherlands, Germany | 15 | CannaTrade, Cannafest, Expogrow, Mary Jane Berlin +2 | 2026 |
| Trabe ↗ | Spain | 11 | Expocannabis, Expogrow, Spannabis | 2025 |
| Emerald Harvest Ltd ↗ | Canada, United States | 7 | Expogrow, Mary Jane Berlin, Product Earth, Spannabis | 2025 |
| María Green Fertilizers | Spain | 5 | Spannabis | 2026 |
| Prot-eco ↗ | Spain | 5 | Spannabis | 2025 |
| Remo Brands Inc | Canada | 5 | Spannabis | 2024 |
| Tratamientos Bioecológicos S.A. | Spain | 5 | Spannabis | 2026 |
| The Hype Company | Spain | 4 | Spannabis | 2024 |
| Guanokalong ↗ | Netherlands | 16 | Cannafair, Cannafest, Expogrow, Mary Jane Berlin +1 | 2025 |
| Leaf Life | Spain | 14 | BALKANNABIS EXPO, Expocannabis Sur, Expogrow, Spannabis | 2026 |
| Biogreen Planet | Spain, Netherlands | 10 | Cannafest, Cultiva Hanfexpo, Spannabis | 2022 |
| Narcos Europe GmbH ↗ | Germany | 8 | Cannafest, Mary Jane Berlin, Spannabis | 2025 |
| Bio Nova Premium Fertilizers ↗ | Netherlands | 7 | Cannafest, IndicaSativa Trade, Mary Jane Berlin, Spannabis | 2024 |
| Top Crop ↗ | Spain | 7 | Canapa Mundi, Cannafest, IndicaSativa Trade, Mary Jane Berlin +1 | 2023 |
| BIOBIZZ WWO ↗ | Spain | 6 | CannaTrade, Cannafest, Mary Jane Berlin, Spannabis | 2025 |
| María Green | Spain | 5 | Expogrow, Spannabis | 2021 |
| Cellmax Nutrients ↗ | Spain, Netherlands | 4 | CannaBusiness, Expogrow, Spannabis | 2019 |
| María Green Fertilizantes | Spain | 4 | Spannabis | 2023 |
| Cyco Platinum Series Nutrients | Australia | 3 | Expogrow, Spannabis | 2019 |
| Grotek Canada & Europe | Canada | 3 | Spannabis | 2021 |
| Remo Nutrients | Canada | 3 | Spannabis | 2025 |
| Snoop’s Premium Nutrients | United Kingdom, Spain | 3 | Spannabis | 2022 |
| Hy-Pro ↗ | Netherlands | 33 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +5 | 2024 |
| Crazy Hills ↗ | Austria | 9 | Cannafair, Cannafest, Cultiva Hanfexpo, KONOPEX +2 | 2026 |
| Agrobeta ↗ | Spain | 7 | Expocannabis, GrowMed, Spannabis | 2019 |
| Platinium | France | 7 | Cultiva Hanfexpo, Spannabis | 2021 |
| Superkukulus | Spain | 6 | Expogrow, Spannabis | 2021 |
| Bio Nova international B.V. ↗ | Netherlands | 5 | Cannafest, Mary Jane Berlin, Spannabis | 2026 |
| Leaf Life / BAC | Spain | 5 | Expocannabis, Spannabis | 2024 |
| Dragonfly Europe | United Kingdom | 4 | Cannafest, Spannabis | 2019 |
| Green Alchemy ↗ | Spain | 4 | Expogrow, Spannabis | 2026 |
| Genehtik Nutrients ↗ | Spain | 3 | Spannabis | 2021 |
| Growcentia Inc. ↗ | United States | 3 | ICBC Berlin, Spannabis | 2019 |
| Organic Labs | Spain | 3 | Spannabis | 2021 |
| House and Garden Nutrients | United States | 2 | Spannabis | 2021 |
| Humboldt Nutrients ↗ | Spain | 2 | Expogrow, Spannabis | 2019 |
| IDROGROW ↗ | Italy | 34 | BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra, Cannafest +4 | 2026 |
| Hemp Trading ↗ | Spain | 16 | Canapa Mundi, Cannafest, Cultiva Hanfexpo, Expocannabis +2 | 2026 |
| Hortifit | Netherlands | 6 | Cannafair, Mary Jane Berlin, Spannabis | 2024 |
| GreenPlanet Nutrients ↗ | Canada, United Kingdom | 5 | Cannafest, Mary Jane Berlin, Spannabis | 2026 |
| Genehtik Seeds / Genehtik Nutrients | Spain | 4 | Spannabis | 2024 |
| Buddha Seed Bank ↗ | Spain | 3 | Cultiva Hanfexpo, Spannabis | 2021 |
| Floragard Vertriebs-GmbH ↗ | Germany | 3 | Mary Jane Berlin, Spannabis | 2025 |
| Genehtik Seeds ↗ | Spain | 3 | IndicaSativa Trade, Spannabis | 2021 |
| Bionova Nutrients | Netherlands | 2 | Mary Jane Berlin, Spannabis | 2026 |
| Boom Nutrients | Spain | 2 | Spannabis | 2026 |
| cis | France | 2 | CannaTrade, Spannabis | 2022 |
| Comercial Econord S.C. / Xtreme Seeds | Spain | 2 | Spannabis | 2022 |
| Crazy Hills Nutrients ↗ | Austria | 2 | Canapa Mundi, Spannabis | 2023 |
| DUTCH FERTI ↗ | Spain, Netherlands | 2 | Athens Cannabis Expo, Spannabis | 2018 |
| Grotek and H&G ↗ | United States, Spain | 2 | Cannafest, Spannabis | 2025 |
| Hortifit Nutrients ↗ | Netherlands | 2 | Cannafair, Spannabis | 2022 |
| BAC / Leaf Life | Spain | 1 | Spannabis | 2025 |
| Big Nutrients | Spain | 1 | Spannabis | 2019 |
| Biobizz Worlwide S.L. | Spain | 1 | Spannabis | 2025 |
| Bioris | Spain | 1 | Spannabis | 2019 |
| Cannabisindoor | Superkukulus | Spain | 1 | Spannabis | 2019 |
| Cannabisoutdoor | Spain | 1 | Spannabis | 2021 |
| CIS – Hydroponics Wholesaler | France | 1 | Spannabis | 2024 |
| Cultiva / Eco Cones | Spain | 1 | Spannabis | 2022 |
| CYCO Platinum Series | Australia | 1 | Spannabis | 2022 |
| Druid Under Pressure | Netherlands | 1 | Spannabis | 2025 |
| Excellent Nutrients “ÁDamas y Bryonia” | Spain | 1 | Spannabis | 2024 |
| Fertilizantes Pachamama | Spain | 1 | Spannabis | 2024 |
| Leaf Life / BAC – STAGE | Spain | 1 | Spannabis | 2022 |
| Mills Nutrients & Substrates | Netherlands | 1 | Spannabis | 2026 |
| Oak Nutrients | Spain | 1 | Spannabis | 2023 |
| Plagron B2B | Netherlands | 1 | Spannabis | 2019 |
| Platinum / Cis – | France | 1 | Spannabis | 2023 |
| Profesor Bacterium | Spain | 1 | Spannabis | 2026 |
| S&R Organics GmbH | Germany | 1 | Spannabis | 2026 |
| Seed to Lab | Spain | 1 | Spannabis | 2019 |
| Super Sativa Seed Club | Biotabs | DP Group | Spain | 1 | Spannabis | 2019 |
| Terra Aquatica by GHE | France | 1 | Spannabis | 2021 |
| Top Crop | Buddha Seeds | Hemp Trading | Spain | 1 | Spannabis | 2019 |
| Vitaponix | Netherlands | 1 | Spannabis | 2019 |