- Limited-Time Special
- Limited-Time Special
- Animal
- API
- Areyougame
- Barnes & Noble
- BioSchwartz
- Bloom
- Cliganic
- Coast of Maine
- Codeage
- DaVinci Laboratories
- EarthBox
- Espoma
- FoxFarm
- Garden Elements
- Hydrofarm
- Jiffy
- Jonathan Green
- Jrm Chemical
- KOS
- Mecale
- Monterey
- Natural Guard
- Nature's Answer
- Novelty
- NOW Foods
- Plantation
- Premier Horticulture Inc
- Solaray
- Tribest
- Twinlab