- Arizona Reef Keepers
- Central Illinois Marine Aquarists
- Central Valley Reefers
- Cincinnati Reefkeepers Society
- Dallas Fort Worth Marine Aquarium Society
- Flathead Valley Reef Club
- Idaho Marine Aquarium Society
- Indiana Marine Aquarium Society
- Las Vegas Valley Reefers
- Marine Aquarium Society of Los Angeles County
- Mid-Columbia Saltwater Aquarium Club
- Midstate Aquarists Reef Society
- Palm Beach Marine Aquarium Society
- Palouse Region Aquarium Society
- Pocono Mountain Reef Club
- Puget Sound Aquarium Society
- Rocky Mountain Reef Club
- South Dakota Marine Society
- Southern California Reefers
- Southwest Florida Marine Aquarium Society
- Spokane Reef Society
- Springfield Decatur Illinois Reef Builders (S~DIRB)
- Tri-State Reef Society