American Orchid Society (The National Capital Orchid Society)
http://www.ncos.us
American Orchid Society
http://www.aos.org
Ann Arbor Orchid Society
http://www.aaosonline.org/
Atlanta Orchid Society
http://www.atlantaorchidsociety.org
Baton Rouge Orchid Society
http://batonrougeorchidsociety.weebly.com/
Boca Raton Orchid Society
The Boca Raton Orchid Society began in 1989 with just 27 members. Since then, the society has grown tremendously, and now boasts a membership of over 125 members.
http://www.brosonline.org/
Brevard County Orchid Society
http://www.thebcos.org/
Central Florida Orchid Society
http://www.cflorchidsociety.org/
Central Ohio Orchid Society
http://www.coosinfo.info/
Delray Beach Orchid Society
http://www.delraybeachorchidsociety.com/
Denver Orchid Society
The Denver Orchid Society was organized in December of 1951. Current membership is over 200.
http://www.denverorchidsociety.org
Florida West Coast Orchid Society
Founded in 1942 The Florida West Coast Orchid Society’s membership is open to everyone interested in the culture, enjoyment and study of Orchids.
http://www.fwcos.org/
Fort Lauderdale Orchid Society
http://www.flos.org/
Fort Worth Orchid Society
http://www.fworchidsociety.org/
Honolulu Orchid Society
http://www.honoluluorchidsociety.org
Houston Orchid Society
The Houston Orchid Society serves the orchid-growing public of the Greater Houston area, on the Texas Gulf Coast.
http://houstonorchidsociety.org/
Illinois Orchid Society
http://www.iosoc.com/
Israeli Orchid Society
The Israeli Society (IOS) is a young organization founded in 1998, and based at the Jerusalem Botanic Gardens.
http://www.ios.co.il
Orchid Society of Great Britain
http://www.orchid-society-gb.org.uk
Manhattan Orchid Society
http://www.manhattanorchid.org
Maryland Orchid Society
http://marylandorchids.org/
Massachusetts Orchid Society
http://www.massorchid.org/
Maui Orchid Society
http://www.mauiorchidsociety.org
Michigan Orchid Society (MOS)
http://www.miorchids.com/
Orchid Society of Minnesota
http://mnslipper.com
Naples Orchid Society
Founded in 1962, the NOS currently has approximately 175 members from a wide variety of backgrounds.
http://www.naplesorchidsociety.org
New Hampshire Orchid Society
The New Hampshire Orchid Society was organized in 1983 and currently has about 150 members.
http://www.nhorchids.org
North of England Orchid Society
http://www.orchid.org.uk
Northwest Orchid Society
We are a large, active orchid society in Seattle, WA.
http://www.nwos.org/
Oregon Orchid Society
Since 1947, the Oregon Orchid Society has brought to Portland, Oregon its mission of orchid education, conservation and cultivation.
http://www.oregonorchidsociety.org/
Peninsula Orchid Society
Founded in 1946, the POS is a society of about 250 orchid enthusiasts and professional growers serving the San Francisco Peninsula.
http://penorchidsoc.org/
Philippine Orchid Society
http://www.philippineorchidsocietyph.org
Portland Orchid Society
http://www.portlandorchidsociety.org/
Sacramento Orchid Society
The Sacramento Orchid Society was founded in 1947 as an educational organization dedicated to providing information on the cultivation of orchids to the greater Sacramento community.
http://sacramentoorchids.org
San Diego County Orchid Society
http://www.sdorchids.com
Orchid Society of Santa Barbara
http://www.orchidsb.net/
San Francisco Orchid Society
http://www.orchidsanfrancisco.org/
Sarasota Orchid Society
http://www.sarasotaorchidsociety.org
South Florida Orchid Society
http://www.sforchid.com/
Tucson Orchid Society
The Tucson Orchid Society brings together orchid enthusiasts in and around Southern Arizona.
http://www.tucsonorchidsociety.org
Triangle Orchid Society
http://www.triangleorchidsociety.org/
Virginia Orchid Society
The Virginia Orchid Society, founded in 1949, is one of the oldest orchid societies in Virginia and is an affliate of the American Orchid Society.
http://www.vaorchidsociety.org/
Wisconsin Orchid Society
http://www.wisconsinorchidsociety.com/