Galashiels Burgh Police
Garda Síochána Ireland
Gateshead Borough Police
GCHQ Police
Gibraltar Police
Gibraltar Services Police
Gilling West Division Police
Glamorgan Canal Police
Glamorgan(shire) Constabulary
Glasgow & Paisley Joint Railway Police
Glasgow & South Western Railway Police
Glasgow Airport Police
Glasgow City Police
Glasgow Marine
Glasgow Port Burgh Police
Glastonbury Borough Police

Glossop Borough Police
Gloucester & Berkley Dock Police
Gloucester Cathedral Constables
Gloucester City Police
Gloucester Docks Police
Gloucester Park Constables
Gloucestershire Constabulary
Godalming Borough Police
Godmanchester Borough Police
Gorbals Burgh Police
Govan Burgh Police
Government Communications HQ Police
Grampian Police
Grand Junction Canal Police
Grand Junction Railway Police
Grand Surrey Canal Police
Grand Union Canal Police
Grantham Borough Police
Grantown-on-Spey
Gravesend & Milton
Gravesend Borough Police
Great Central Railway Police
Great Eastern Railway Police
Great Grimsby & Sheffield Junction Railway Police
Great Northern & Lancashire & Yorkshire Railway Police
Great Northern Ireland Railway Police
Great Northern Railway Police
Great Western Railway Police
Great Yarmouth Borough Police
Greater Manchester Police
Greenock Burgh Police
Greenock Harbour Police
Greenwich Parks Constabulary
Gretna HM Factory

Grimsby Borough Police
Guernsey Island Police
Guernsey Police
Guildford Borough Police
Gurkha Military Police
Gwent Constabulary
Gwent Police
Gwynedd Constabulary