- Acurel
- API
- Aqua Clear
- Aqueon
- Cobalt
- Coral Life
- DeCHLOR
- GLO
- Ehiem Jager
- Fluval
- Hagen
- Healthaid
- Hikari
- Hydor
- Instant Ocean
- Kaytee
- Kordon
- Laguna
- Lee's
- Mardel
- Marina
- Marineland
- Ocean Nutrition
- Penn-Plex
- Rio
- Seachem
- Seaview
- San Francisco Bay
- Tetra
- Weco
- Wondershell
- ZOO-MED