Emerald: San Francisco Regional Mensa, Mensa In Georgia, North Texas Mensa, Metropolitan Washington Mensa, Minnesota Mensa, Mensa of Western Washington, Greater Los Angeles Area Mensa
Class II (400 to 899 members)
Diamond: Cincinnati Area Mensa
Ruby: Maryland Mensa, South Texas Mensa, Connecticut/Western Massachusetts, Broward Mensa, Cleveland Area Mensa, Oregon Mensa, Columbus Area Mensa, Charlotte/Blue Ridge Mensa, Palm Beach Area Mensa, Cincinnati Area Mensa
Sapphire: Central Indiana Mensa, Mensa 76, Tampa Bay Mensa, St Louis Area Mensa, Central New Jersey Mensa, Sacramento Regional Mensa, Western Pennsylvania Mensa, Central Pennsylvania Mensa, Mensa of Wisconsin, Mid-America Mensa, Orange County Mensa, Northern New Jersey Mensa
Emerald: Central Florida Mensa, Lonestar Mensa, Denver Mensa, Mensa of Eastern North Carolina
Class III (200 to 399 members)
Diamond: New Orleans Mensa
Ruby: Rhode Island Mensa, Northern Nevada Mensa, Kentuckiana Mensa, Tidewater Mensa, New Hampshire, Mensa of Northeastern New York, Tucson Mensa, North Florida Mensa, Mensa of Jacksonville, Channel Islands Mensa, Thomas Jefferson Mensa, Mensa Hawaii, New Orleans Mensa
Sapphire: Nebraska-Western Iowa Mensa, Plains and Peaks Mensa, East Central Ohio Mensa, Manasota Mensa, Lehigh Pocono Mensa, Piedmont Area Mensa, Dayton Area Mensa, Southern Nevada Mensa, Northwest Florida Mensa
Emerald: Utah Mensa, Eastern Oklahoma Mensa, Memphis Mensa, Western New York Mensa, Central Alabama Mensa, Central Oklahoma Mensa, New Mexico Mensa, Southern Connecticut Mensa
Class IV (100 to 199 members)
Diamond: Mid-Hudson Mensa
Ruby: North Alabama Mensa, Mississippi Mensa, Triad Mensa, Northeast Indiana Mensa, Redwood Empire Mensa, Kansas Sunflower Mensa, Mid-Michigan Mensa, Boulder/Front Range Mensa, Central New York Mensa, French Broad Mensa, Delaware Mensa, Central South Carolina Mensa, Smoky Mountain Mensa, Blue Grass Mensa, Heart of Illinois Mensa, Southern Idaho Mensa, Central Iowa Mensa, Mid-Hudson Mensa
Sapphire: Permian Basin Mensa
Emerald: Iowa-Illinois Mensa, Savannah Area Mensa of Georgia, Maine Mensa
Class V (fewer than 100 members)
Diamond: High Mountain Mensa
Ruby: North Dakota Mensa, Upper East Tennessee Mensa, Northern Michigan Mensa, South Mississippi Mensa, Wyoming Mountain Mensa, Lubbock Mensa, South Coast Mensa, Paso del Norte Mensa, Mensa of the Southern Tier of NY, Sangamon Valley Mensa, Tallahassee Area Mensa, Northern Louisiana Mensa, Monterey County Mensa, High Mountain Mensa