Illinois

Chicago Aquairium Club

Greenwater Aquarist Society of Chicagoland

Chicago Marine Aquarium Society

Greater Chicago Cichlid Association

Chicago Aquatic Plant Society

Tri-County Tropical Fish Society

Chicago Aquarium Enthusiast

Indiana

Aquarium Society of Southern Indiana

Circle City Aquarium Club

Fort Wayne Marine Aquatic Society

Indiana Marine Aquarium Society

Michiana Aquarium Society

Northwest Indiana Marine Aquarium Club

Iowa

Eastern Iowa Aquarium Association

Greater Iowa Reef Society

Kansas

Wichita Aquarium Club

Wichita Fish Keepers

Michigan

Grand Rapids Marine Aquarium Society

Grand Valley Aquarium Club

Louisville Tropical Fish Fanciers

Michigan Aquarium Hobbyist

Motor City Aquarium Society

Mid-Michigan Marine Club

Southwestern Michigan Aquarium Society

Tropical Fish Swap of Michigan

Upper Peninsula of Michigan Marine Aquarium Society

Minnesota

Minnesota Aquarium Society

Twin Cities Marine Aquarium Society

Minnesota State Guppy Club

Minnesota Fish Keepers

Lakes Aquarium Club

Upper Midwest Koi Club

Missouri

Missouri Aquarium Society

The Heart of America Aquarium Society of Kansas City

Reef Aquarium Society of Charlotte

Nebraska

Nebraska Aquarium Enthusiast

Nebraska Reef Society

Minnesota State Guppy Club

North and South Dakota

Black Hills Aquarium Society

Sioux Falls Area Aquarium Society

Reef Aquarium Society of Charlotte

Ohio

Central Ohio Reef Aquarists

Cincinnati Reef Keepers Society

Lorain County Aquarium Society

Medina County Aquarium Society

Northwest Ohio Aquarium Society

Northeast Ohio Fish Club

Ohio Reef Club

Stark County Aqua Life Enthusiasts Society

Youngstown Area Tropical Fish Society

Wisconsin

Green Bay Aquarium Society

Madison Area Aquatic Hobbyists

Northern Wisconsin Reef Society

Wisconsin Saltwater Enthusiast

Wisconsin Area Killifish Organization

Wisconsin Reef Society