American Orchid Society

Amherst Orchid Society, Amherst, MA

Ann Arbor Orchid Society, Ann Arbor, MI

Atlanta Orchid Society, Atlanta, GA

Batavia Orchid Society, Batavia, IL

Baton Rouge Orchid Society, Baton Rouge, LA

Blue Ridge Orchid Society, VA

Boca Raton Orchid Society, Boca Raton, FL

Boulder Orchid Society, Boulder, CO

Brevard County Orchid Society, Melbourne, FL

Cape and Islands Orchid Society, Cape Cod, MA

Cape Fear Orchid Society, Wilmington, NC

Catawba County Orchid Society, Hickory, NC

Catoctin Orchid Society, Frederick, MD

Central California Orchid Society, Fresno, CA

Central East Texas Orchid Society, Tyler, TX

Central Florida Orchid Society, Orlando, FL

Central Iowa Orchid Society, Des Moines, IA

Central New York Orchid Society, DeWitt, NY

Central Ohio Orchid Society, Columbus, OH

Central Ontario Orchid Society, Waterloo, ON, Canada

Central Vancouver Island Orchid Society, Nanaimo, BC, Canada

Coastal Carolina Orchid Society, Charleston, SC

Coastal Valley Orchid Society, Lompoc, CA

Connecticut Orchid Society, Rocky Hill, CT

Conserve Native Plants Society Inc. - Winnipeg, Manitoba, Canada

Coral Springs Orchid Society, Coral Springs, FL

Coulee Region Orchid Guild, La Crosse, WI

Cymbidium Society of America, Orange County Branch

Deep Cut Orchid Society, Middletown, NJ

Deep South Orchid Society, Savannah, GA

Delaware Orchid Society, Wilmington, DE

Delray Beach Orchid Society, Delray Beach, FL

Denver Orchid Society, Denver, CO

Desert Valley Orchid Society, Phoenix, AZ

Diablo View Orchid Society, East San Francisco Bay Area, CA

Dunes-Kalamazoo Orchid Society, Kalamazoo, MI

East Everglades Orchid Society, Homestead, FL

Eastern Canada Orchid Society, Montreal, PQ, Canada

Eastern Iowa Orchid Society (formerly Iowa City Orchid Society), Iowa City, IA

Encyclia Enthusiasts Englewood Area Orchid Society, Englewood, FL

Fairfield County Orchid Association, Westport, CT

Five Cities Orchid Society, Arroyo Grande, CA

Florida West Coast Orchid Society, Largo, FL

Foothills Orchid Society, Calgary, AB, Canada

Fort Lauderdale Orchid Society, Ft. Lauderdale, FL

Fort Pierce Orchid Society, Fort Pierce, FL

Fraser Valley Orchid Society, Surrey, BC, Canada

Gainesville Orchid Society, Gainesville, FL

Genesee Region Orchid Society, Rochester, NY

Gold Coast Cymbidium Growers, San Mateo, CA

Gold Coast Unlimited Orchid Society, North Miami, FL

Grand Valley Orchid Society, Walker, MI

Greater Cleveland Orchid Society, Cleveland, OH

Greater Cincinnati Orchid Society, Cincinnati, OH

Greater Lansing Orchid Society, Lansing, MI

Greater New York Orchid Society, Bronx, NY

Greater North Texas Orchid Society, Dallas, TX

Greater Omaha Orchid Society, Omaha, NE

Greater Orlando Orchid Society, Orlando, FL

Greater Philadelphia Orchid Society, Philadelphia, PA

Heart O' Texas Orchid Society, Austin,TX

Heart of Dixie Orchid Society, Huntsville, AL

Hollin Hills Orchid Society, Arlington, VA

Hilo Orchid Society, Hilo, HI

Honolulu Orchid Society, Honolulu, HI

Houston Orchid Society, Houston, TX

Illini Orchid Club, Urbana-Champaign, IL

Illinois Orchid Society, Chicago, IL

Illowa Orchid Society, Moline, IL

Jupiter/Tequesta Orchid Society, Jupiter, FL

Kansas Orchid Society, Wichita, KS

Kentucky Orchid Society, Louisville, KY

Kingston Orchid Society, Kingston, ON, Canada

Lehigh Valley Orchid Society, Allentown, PA

Les Orchiophiles de Montreal, Montreal, PQ, Canada

Les Orchidophiles de Quebec, Quebec City, PQ, Canada

Lincoln Orchid Society, Lincoln, NE

London Orchid Society, London, ON, Canada

Long Beach Amateur Orchid Society, Long Beach, CA

Lord Fairfax Orchid Society, Winchester, VA

Mid Hudson Orchid Society of Newburgh, NY

Malibu Orchid Society, Malibu, CA

Malihini Orchid Society, Cupertino, CA

Manatee Orchid Society, Bradenton, FL

Manhattan Orchid Society, New York City, NY

Manitoba Orchid Society, Winnipeg, MB, Canada

Maryland Orchid Society, Baltimore, MD

Massachusetts Orchid Society, Boston Area

The Maxillaria Tribe Memphis Orchid Society, Memphis, TN

Michiana Orchid Society, South Bend, IN

Michigan Orchid Society, Greater Detroit Area, MI

Mid Hudson Orchid Society, Newburgh, NY

Miramar Orchid Society, Miramar, FL

Missouri Orchid Society, St. Louis, MO

Mobile Area Orchid Society, Mobile, AL

Mt. Baker Orchid Society, Mt. Vernon, WA

Napa Valley Orchid Society, Napa, CA

National Capital Orchid Society, Washington, D.C. Area

Native Orchid Conservation Inc., Manitoba, Canada

New Hampshire Orchid Society, Bedford, NH

New Orleans Orchid Society, New Orleans, LA

Newport Harbor Orchid Society, Newport Beach, CA

 Niagara Frontier Orchid Society, Buffalo, NY

North Dade Amateur Orchid Club, North Miami Beach, FL

North East Connecticut Orchid Club, Tolland CT

North Jersey Orchid Society, East Hanover, NJ

Northeastern Pennsylvania Orchid Society, Grimes Industrial Park, Pittston Twp., PA

Northeastern Wisconsin Orchid Society, Green Bay, WI

Northwest Orchid Society, Seattle, WA

Northwestern Michigan Orchid Society, Traverse City, MI

Ocean State Orchid Society, Wickford, RI

Oklahoma Orchid Society, Oklahoma City, OK

Orange County Orchid Society, Yorba Linda, CA

The Orchid Forum of Sacramento, Sacramento, CA

Orchid Growers' Guild, Inc., Madison, WI

Orchid Society of Alberta, Edmonton, AB, Canada

Orchid Society of Arizona, Phoenix, AZ

Orchid Society of California, Oakland, CA

 Orchid Society of Coral Gables, Coral Gables, FL

Orchid Society of Greater Kansas City, Kansas City, MO

Orchid Society of Greater St. Louis, St. Louis, MO

 Orchid Society of Middle Tennessee, Nashville, TN

Orchid Society of Minnesota, Minneapolis, MN

Orchid Society of Northern Nevada, Reno, NV

Orchid Society of Northwestern Pennsylvania, Erie, PA

Orchid Society of Nova Scotia, Halifax, Nova Scotia

Orchid Society of the Ozarks, Springdale, AR

Orchid Society of Santa Barbara, Santa Barbara, CA

Orchid Society of Southern California, Burbank, CA

Orchid Society of the Royal Botanical Gardens, Burlington, ON, Canada

Orchid Society of Western Pennsylvania, Pittsburgh, PA

Oregon Orchid Society, Portland, OR

Ottawa Orchid Society, Ottawa, ON, Canada

Pacific Central (AOS) Judging Center - Oakland/San Francisco, CA

Pacific Orchid Society of Hawaii, Honolulu, Hawaii

Paducah Orchid Society, Paducah, KY

Pan American Orchid Society, FL

Peninsula Orchid Society, San Mateo, CA

Peninsula Orchid Society of Virginia, Hampton Roads, VA

Plantation Orchid Society, Plantation, FL

Platinum Coast Orchid Society, Central Florida

Portland Orchid Society, Portland, OR

Prairie State Orchid Society, Springfield, IL

Ramapo Orchid Society, Englewood, NJ

Rhode Island Orchid Society, Providence, RI

Richmond Orchid Alliance - Richmond, VA

Ridge Orchid Society, Lakeland, FL

Sacajawea Orchid Society, Bozeman, MT

Sacramento Orchid Society, Sacramento, CA

 San Diego County Orchid Society, San Diego, CA

San Fernando Valley Orchid Society, Los Angeles County, CA

San Francisco Orchid Society, San Francisco, CA

San Gabriel Valley Orchid Hobbyists, Arcadia, CA

Sandhills Orchid Society, Fayetteville,NC

Santa Clara Valley Orchid Society, San Jose, CA

Sarasota Orchid Society, Sarasota, FL

Sioux Falls Orchid Club, Sioux Falls, SD

Sonoma County Orchid Society, Santa Rosa, CA

South Bay Orchid Society, Palos Verdes, CA

South Carolina Orchid Society, Columbia, SC

South Coast Orchid Society, Inc., Long Beach, CA

South Dakota Orchid Society, Rapid City, SD

South Jersey Orchid Society, Wenonah, NJ

Southeastern Pennsylvania Orchid Society, Valley Forge, PA

Southern California Orchid Species Society, Placentia, CA

Southern Ontario Orchid Society, Toronto, ON, Canada

Spokane Orchid Society, Spokane, WA

Suffolk Orchid Society, Stony Brook, NY

Susquehanna Orchid Society, Mechanicsburg, PA

Tacoma Orchid Society, Tacoma, WA

Tallahassee Orchid Society, Tallahassee, FL

Tampa Bay Orchid Society, Tampa, FL

Terrebonne Orchid Society, Houma, LA

Tidewater Orchid Society, Norfolk, VA

Treasure Valley Orchid Society, Boise, ID

Triangle Orchid Society, Durham, NC

Tropical Orchid Society, West Palm Beach, FL

Vancouver Orchid Society, Vancouver, BC, Canada

Venice Area Orchid Society, Venice, FL

Victoria Orchid Society,Victoria, BC, Canada

Virginia Orchid Society, Richmond, VA

Virginia Paphiopedilum Society, Hampton, VA

Volusia County Orchid Society, DeLand, FL

Wisconsin Orchid Society, Wauwatosa, WI