1. AE McKenzie
2. AeroGrow International Inc.
3. Agrium Incorporated
4. Amrep
5. Andersons Incorporated
6. BASF SE
7. Bayer AG
8. BLACK+DECKER Inc.
9. DowDuPont
10. Espoma Company
11. Ferry-Morse Seed
12. J.R. Simplot Company
13. Munie Greencare Professionals
14. Nutrien Ltd.
15. Premier Tech Limited
16. Scootney Springs Seed
17. Sigma Organics Inc.
18. Simplot
19. The Scotts Company LLC
20. Woodstream Corporation