- Alaska Reef Keepers
- Bay Area - Reefers (BAR)
- Chico Reef Club
- Colorado Rocky Mountain Reef Club
- D.A.R.C. - Denver Area Reef Club
- Big Country Reef Society (BCRS)
- Central Coast of CA Reefkeepers
- Greater San Francisco Bay Area Reef Forum
- Idaho Marine Aquarium Society (IMAS)
- Las Vegas Marine & Reef Aquarium Society (LVMAS)
- Las Vegas Valley Reefers
- Marine Aquarists Roundtable of Sacramento (MARS)
- Marine Aquarium Society of Los Angeles County
- Mid-Columbia Saltwater Aquarium Club
- Monterey County Area Reefers Society
- Northcoast Reefers
- Northern Valley Reefers (NVR)
- Puget Sound Aquarium Society (PSAS)
- Redding Area Reef Enthusiasts (R.A.R.E)
- Saltwater Enthusiasts Association of the Bay Area
- Southern California Reefers
- Southern Colorado Marine Aquarist Society (SCMAS)
- Spokane Reef Society