Chemical, Oil & Gas County Index
- Aberdeenshire
- Angus
- Antrim
- Avon
- Ayrshire
- Bedfordshire
- Berkshire
- Borders
- Buckinghamshire
- Cambridgeshire
- Central
- Cheshire
- Clackmannanshire
- Cleveland
- Clwyd
- Co Antrim
- Co Armagh
- Co Clare
- Co Down
- Co Dublin
- Co Durham
- Co Galway
- Co Londonderry
- Cornwall
- Cumbria
- Derbyshire
- Devon
- Dorset
- Durham
- Dyfed
- East Sussex
- Essex
- Fife
- Flintshire
- Gloucestershire
- Grampian
- Gwent
- Gwynedd
- Hampshire
- Hereford and Worcester
- Hertfordshire
- Highland
- Humberside
- Isle of Lewis
- Isle of Wight
- Kent
- Kincardineshire
- Lanarkshire
- Lancashire
- Leicestershire
- Lincolnshire
- London
- Lothian
- Merseyside
- Mid Glamorgan
- Middlesex
- Midlothian
- Norfolk
- North Humberside
- North Yorkshire
- Northamptonshire
- Northumberland
- Nottinghamshire
- Oxfordshire
- Perthshire
- Powys
- Renfrewshire
- Selkirkshire
- Shetland Isles
- Shropshire
- Somerset
- South Glamorgan
- South Humberside
- South Yorkshire
- Staffordshire
- Stirlingshire
- Strathclyde
- Suffolk
- Surrey
- Tayside
- Tyne and Wear
- Warwickshire
- West Glamorgan
- West Lothian
- West Midlands
- West Sussex
- West Yorkshire
- Wiltshire
- Worcestershire