1. Advanced Nutrients Ltd.
2. Emerald Harvest Co.
3. Greentech Organic Hydroponics Systems Mfrs.
4. Harvester Horticulture Products
5. Heliospectra AB
6. HYDRA UNLIMITED
7. Hydrodynamics International Inc.
8. HydroGarden Ltd.
9. Hydroponic Systems International
10. Logiqs B.V.
11. NEW GROWING SYSTEM S.L.
12. Pegasus Agritech
13. The Scotts Company LLC