| MadMac's Magic Haze Seeds ↗ | Germany | 4 | Mary Jane Berlin, Spannabis | 2026 |
| DMK 710 ↗ | Germany | 5 | CannaFestival, Cannafair, Mary Jane Berlin | 2026 |
| Weed.de | Germany, Malta | 5 | Cannafair, ICBC Berlin, Mary Jane Berlin | 2026 |
| Packiro GmbH ↗ | Germany | 9 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2024 |
| S&R Organics ↗ | Germany | 8 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +1 | 2026 |
| Branchenverband Cannabiswirtschaft e.V. ↗ | Germany | 7 | CB Expo, Cannabis Business Europe, HamCan, Mary Jane Berlin | 2026 |
| Four 20 Pharma GmbH ↗ | Germany | 5 | HamCan, ICBC Berlin, Mary Jane Berlin | 2025 |
| 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 |
| Black Tuna ↗ | Germany | 2 | Cannafest, KONOPEX | 2025 |
| gutmut saatgut ↗ | Germany | 2 | CannaFriends, Mary Jane Berlin | 2025 |
| Grow In AG ↗ | Germany | 41 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +3 | 2026 |
| grow! Magazin ↗ | Germany | 27 | CB Expo, CannaFriends, CannaTrade, Cultiva Hanfexpo +3 | 2026 |
| Aptus Plant Tech ↗ | Netherlands, Germany | 15 | CannaTrade, Cannafest, Expogrow, Mary Jane Berlin +2 | 2026 |
| Greenception ↗ | Germany, Switzerland | 13 | CannaTrade, Cannafair, Cannafest, Cultiva Hanfexpo +2 | 2025 |
| Florganics ↗ | Germany | 11 | CannaFriends, Cannabis XXL, Cannafair, Cannafest +2 | 2025 |
| GrowTec ↗ | Spain, Germany | 7 | CannaBusiness, CannaTrade, ICBC Berlin, Spannabis | 2025 |
| Arvaloo GmbH ↗ | Germany | 5 | CB Expo, Cannafair, Mary Jane Berlin | 2025 |
| Fenix MTX | Germany | 5 | Cannafair, Cannafest, Cultiva Hanfexpo | 2024 |
| SynBiotic SE ↗ | Germany | 5 | CB Expo, ICBC Berlin, Mary Jane Berlin | 2026 |
| Norddampf ↗ | Germany | 4 | Cannafair, Mary Jane Berlin | 2026 |
| Only Grams ↗ | Germany | 4 | Mary Jane Berlin, Spannabis | 2026 |
| Mainhattan Seeds ↗ | Germany | 3 | CannaFriends, Cannafair, Mary Jane Berlin | 2025 |
| Malkmus Holistic GmbH ↗ | Germany | 3 | CB Expo, Cannafest | 2025 |
| Meca420 GmbH ↗ | Germany | 3 | Cannafair, Mary Jane Berlin | 2026 |
| Adonhusa GmbH | Germany | 2 | Cannafest, Mary Jane Berlin | 2025 |
| Green - Secret Flowers & Wholesale ↗ | Germany | 2 | Cannafest, Mary Jane Berlin | 2025 |
| Hanf.com ↗ | Germany | 2 | Cannafest, Mary Jane Berlin | 2025 |
| Ambientshop ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Bavarian Krauts GmbH / Pineapple Kush Papers ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| BIGGER TREES ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| BudVoyage Seeds ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Cosmic GmbH & Co. KG i.Gr. | Germany | 1 | Mary Jane Berlin | 2024 |
| CSC Connect mit Wolke Growshop & Lifestyle und SunriseGlassGallery ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Dein CSC e.V. ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Dope Seeds I Florganics I Black Tuna ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Empaliko UG ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Gercanna GmbH ↗ | Germany | 1 | Cannafest | 2025 |
| Green Ever Life e.V ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Green Social Club e.V. ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Growbird.de GmbH ↗ | Germany | 1 | Cannafest | 2025 |
| Hanf Verlag Darmstadt GmbH ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Ivy GmbH ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Lift and Launch ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Mary janes growshop ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| OnlySeeds ↗ | Germany | 1 | Cannafest | 2025 |
| pocket farms ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| Samsemilia Seeds GmbH | Germany | 1 | Mary Jane Berlin | 2025 |
| Spliffers ↗ | Germany | 1 | Mary Jane Berlin | 2024 |
| SweetGreens | Germany | 1 | Mary Jane Berlin | 2024 |
| ThreadCore - InfernoHarvest | Germany | 1 | Mary Jane Berlin | 2025 |
| Till Kasch Do-Ya-Own ↗ | Germany | 1 | Mary Jane Berlin | 2025 |
| Tyson 2.0 Deutschland ↗ | Germany | 1 | Mary Jane Berlin | 2024 |