GMB

Formerly the general, municipal and boiler makers union. Now a leftwing, general trade union with 700,000 members from a wide range of industries. It takes in staff from local government and the health service.
Found on http://society.guardian.co.uk/glossary/page/0,,646470,00.html

GMB

Gambia (Republic of the)
Found on http://www.translationdirectory.com/glossaries/glossary139.htm
No exact match found