Alabama Orchid Society
Alamo Orchid Society
Amherst Orchid Society
Ann Arbor Orchid Society 
Arkansas Orchid Society
Atlanta Orchid Society
Bakersfield Orchid Society
Batavia Orchid Society
Baton Rouge Orchid Society
Big Sky Orchid Society, Inc.
Black Hills Orchid Society
Blackhawk Orchid Society
Blue Ridge Orchid Society
Boulder Orchid Society
Brazos Valley Orchid Society
Brevard County Orchid Society 
Bucks County Orchid Society
Cabrillo Orchid Society, Inc.
Cape and Islands Orchid Society
Cape Fear Orchid Society
Carmel Orchid Society
Catawba Valley Orchid Society
Catocton Orchid Society 
Central California Orchid Society
Central Coast Orchid Society
Central East Texas Orchid Society
Central Florida Orchid Society
Central Iowa Orchid Society
Central Jersey Orchid Society
Central Louisiana Orchid Society
Central Missouri Orchid Society
Central New York Orchid Society  
Central Ohio Orchid Society 
Cherry City Orchid Society
Circulo de Amigos Orquidistas de Puerto Rico
Coalition For Orchid Species
Coastal Carolina Orchid Society
Coastal Valley Orchid Society
Colorado Springs Orchid Society
Conejo Orchid Society
Corpus Christi Orchid Society
Daytona Beach Orchid Society
Deep Cut Orchid Society
Delaware Orchid Society
Delray Beach Orchid Society
Denver Orchid Society
Desert Valley Orchid Society
Deutsche Orchideen-Gesellschaft E.V.
Diablo View Orchid Society
Dunes-Kalamazoo Orchid Society
East Alabama Orchid Society
Escalante Orchid Society
Five Cities Orchid Society
Five Valleys Orchid Society
Florida West Coast Orchid Society
Foothills Orchid Society
Fort Worth Orchid Society
Fraser Valley Orchid Society
Galveston Orchid Society
Genesee Region Orchid Society
Global Paph. Alliance
Gold Coast Cym. Growers
Golden Gate Cymbidium Soc.
Grand Valley Orchid Society
Greater Baton Rouge Orchid Society
Greater Cincinnati Orchid Society
Greater Lansing Orchid Society
Greater Las Vegas Orchid Society 
Greater New York Orchid Society
Greater North Texas Orchid Society
Greater Omaha Orchid Society
Greater Pensacola Orchid Society
Greater Philadelphia Orchid Society
Green Mountain Orchid Society 
Gulf Coast Orchid Society 
Heart of Dixie Orchid Society
Heart O'Texas Orchid Society
Hi-Country Orchid Society 
High Desert Orchid Society
Hill Country Orchid Society
Hilo Orchid Society 
Hollin Hills Orchid Society
Honolulu Orchid Society
Houston Orchid Society
Illinois Orchid Society
Illowa Orchid Society
Indiana Orchid Society
Internat. Oncidiinae Alliance
Jacksonville Orchid Society
Kaimuki Orchid Society
Kansas Orchid Society 
Kentucky Orchid Society
Kona Orchid Society
London Orchid Society
Long Beach Amateur Orchid Society
Long Island Orchid Society
Maine Orchid Society
Malibu Orchid Society
Malihini Orchid Society
Manhattan Orchid Society
Manitoba Orchid Society
Marin Orchid Society
Maryland Orchid Society
Mary's Peak Orchid Society
Matinecock Orchid Society
Maui Orchid Society
McAllen Internat.Orchid Society
Memphis Orchid Society
Miami Valley Orchid Society
Michiana Orchid Society
Michigan Orchid Society 
Mid-Coast Orchid Society
Middle Tennessee Orchid Society
Mid-Lake Orchid Society
Mississippi Orchid Society
Mt. Baker Orchid Society
Naples Orchid Society 

National Capital Orchid Society
Native Orchid Restor. Project
New Hampshire Orchid Society  
New Mexico Orchid Guild
New Orleans Orchid Society 
Newport Harbor Orchid Society
Niagara Frontier Orchid Society
Niagara Region Orchid Society
North Carolina Piedmont Orchid Society
North Idaho Orchid Hobbyists
North Jersey Orchid Society
Northeast Alabama Orchid Society 
Northeast Louisiana Orchid Society 
Northeastern Wisconsin Orchid Society
Northwest Orchid Society
Ocean State Orchid Society
Oklahoma Orchid Society  
Olympia Orchid Society
Orange County Orchid Society
Orchid Forum of Sacramento
Orchid Growers Guild
Orchid Hobbyists of-Delmarva
Orchid Prom Assoc Rep.China
Orchid Society of Greater Kansas
Orchid Society of Alberta
Orchid Society of Arizona
Orchid Society of California
Orchid Society of Minnesota
Orchid Society of Ozarks
OrchidSafari
Oregon Orchid Society
Orchid Society of Greater St. Louis 
Orchid Society of Jefferson, Inc.
Orchid Society of Northern Nevada
Orchid Society of Nova Scotia c/o NS Museum of Nat. History
Orchid Society of Santa Barbara 
Orchid Society of Southern California 
Orchid Society of Western Pennsylvania
Orchid Society Royal Botanical Garden 
Ottawa Orchid Society
Pacific Orchid Society of Oregon
Paducah Orchid Society
Palomar Orchid Society
Paso Del Norte Orchid Society
Peninsula Orchid Society
Peoria Orchid Society
Pilgrim Colonies Orchid Society
Pinelands Orchid Society
Portland Orchid Society
Prairie State Orchid Society
Prescott Orchid Society (Arizona)
Puerto Rico Orchid Society
Ramapo Orchid Society
Red River Orchid Society
Richmond Orchid Alliance
Ridge Orchid Society 
Riverside San Bernardino Orchid Society 
Rogue Valley Orchid Society
Sacramento Orchid Society
San Diego County Orchid Society
San Fernando Valley Orchid Society 
San Francisco Orchid Society
San Gabriel Valley Hobbyists Orchid Society
San Joaquin Orchid Society
Sandhills Orchid Society
Sandpiper Orchid Society
Santa Clara Valley Orchid Society 
Santa Cruz Orchid Society
Santa Maria Orchid Society
Saskatchewan Orchid Society
Sonoma County Orchid Society
South Bay Orchid Society
South Carolina Orchid Society
South Central Washington Orchid Society
South Coast Orchid Society
South Mississippi Orchid Society
South Texas Orchid Society 
Southeastern Penn. Orchid Society
Southern CA Orchid Species 
Southern Ontario Orchid Society
Southern Tier Orchid Society
Southland Orchid Show
Southwest Pennsylvania Orchid Society
Spokane Orchid Society
Springfield Orchid Society
St. Augustine Orchid Society
Suffolk Orchid Society
Sunset Empire Orchid Society
Susquehanna Orchid Society
Tacoma Orchid Society
Tampa Bay Orchid Society
Tampa Orchid Club, Inc.
Tennessee Valley Orchid Society 
Terrebonne Orchid Society
The Cape Orchid Society
The Tucson Orchid Society
Three Rivers Orchid Society
Tidewater Orchid Society
Treasure Valley Orchid Society
Triad Orchid Society
Triangle Orchid Society
Tropical Plant Society
Tulsa Orchid Society
Umpqua Orchid Society 
Utah Orchid Society
Vancouver Orchid Society
Ventura County Orchid Society
Victoria Orchid Society
Virginia Orchid Society
Volusia County Orchid Society
West Shore Orchid Society
Willamette Orchid Society
Windsor Orchid Society
Wisconsin Orchid Society