| Groningen | Van Dijk Gardens | Groningen | 050 - 541 98 50 |
| | Martin Knol Garden Design | Delfzijl | 06 - 2870 1613 |
| Friesland | Friehof Gardeners | Joure | 06 - 5186 2005 |
| | Gardening company Hielke Nijp | Stiens | 058 - 257 - 4859 |
| Drenthe | Lokken Groenvoorziening BV | Gasselter-nijveensche-mond | 0599 - 648188 |
| | Harrie Boerhof | Dwingeloo | 0521 - 598 381 |
| | Booiman Gardens b.v. | Beilen | 0593 - 52 70 32 |
| | Gardening company Marco Bakker | Assen | 0592 - 460 805 |
| Overijssel | Evers landscaping company | Geesteren | 0546 - 631 664 |
| | Neinders Gardeners | Enschede | 06 - 4210 0416 |
| Gelderland | Gardening Company of Schoonhoven | Epe | 0578 - 61 77 74 |
| | Thijs Magielse Gardens | Beesd | 0345 - 56 84 99 |
| | Schraven landscapers | Wijchen | 024 - 64 148 25 |
| | Green and Growth | Ermelo | 0341 - 558 736 |
| Utrecht | Eikelenboom green projects | Lopik | 0348 - 557 432 |
| | Gardening company F.S. Green | Woudenberg | 06 - 1272 1828 |
| | van Beers landscaping | Achterveld | 0342 - 452 239 |
| North Holland | Hemmes landscaping company | St. Maartensbrug | 0224 - 561 494 |
| | Nederveen Gardens | Lijnden | 023 - 555 2172 |
| South Holland | Stylish Gardens | Hillegom | 023 - 584 8808 |
| | Gardening company Gardener | Krimpen aan den IJssel | 0180 - 554 666 |
| | Aardoom Gardeners | Ridderkerk | 0180 - 428 458 |
| | Diemel landscaping | Den Hoorn | 0174 - 298 208 |
| | Willemstein Gardeners | Waddinxveen | 0182 - 618 455 |
| | Weverling Green Providers | Monster | 0174 - 243 665 |
| Zeeland | Bosman Garden Advice | Koudekerke | 0118 - 618 091 |
| Brabant | De Rooy Hoveniers B.V. | Dussen | 0416 - 391 135 |
| | Visio Vireo landscaping & design office | Steenbergen (NB) | 0167 - 560 619 |
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| Limburg | Garden center & landscaping company Lemmens | Munstergeleen-Sittard | 046 451 6793 |
| Germany | Brummer GmbH & Co. KG | Bad Oeynhausen | +49 5731 20571 |
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| Luxembourg | Obolux Sarl | Stadtbredimus | +352 661 444 869 |
