Chartered Institute of Linguists
http://www.iol.org.uk/
Chartered Institute of Library and Information Professional
http://en.wikipedia.org/wiki/Chartered_Institute_of_Library_and_Information_Professionals
Chartered Institute of Logistics and Transport UK.
http://www.ciltuk.org.uk/pages/home
Society of Indexers
http://www.indexers.org.uk/
Society of Genealogists
http://www.sog.org.uk/index.shtml