The Suffolk Naturalists' Society - includes geology.
Suffolk & Essex Coast & Heaths National Landscape
Lowestoft Museum - Pakefield discoveries
Dunwich Museum - includes coastal geomorphology
UKGE - Suffolk-based geo-resource business
Rock Gallery - GeoSuffolk book for sale
Anglian Microscopy Group - based in Crowfield (Suffolk)
The Essex Rock and Mineral Society
The Essex Field Club - includes geology
The Geological Society of Norfolk
The Norfolk Geodiversity Partnership
Cambridgeshire Geological Society
Quaternary Research Association
Rockwatch - a nationwide geology club for children
Pathways to Ancient Britain - Palaeolithic research
Werkgroep voor Tertiaire en Kwartaire Geologie