Links verified 24.06.2003
- O'Hanlon's Brewing Company Ltd
Great Barton Farm, Clyst St.Lawrence, Devon EX5 2NY
- Oak Brewery Spirit Vaults
Betarange Ltd, Leverington Road, UK - Wisbech, Cambridgeshire, PE13 1PG
- Oak Brewing Company Ltd,Phoenix Brewery
Green Lane, UK - Heywood,Greater Manchester,OL10 2EP
- Oakham Ales
12-13 Midland Court, Station Approach, UK - Oakham, Rutland LE15 6QW
- Oakhill Brewery
High Street, UK - Oakhill, Bath, Avon, BA3 5AS
- Oakleaf Brewing Company Limited
Unit 7, Clarence Wharf Industrial Estate, Mumby Road, Gosport, Hampshire PO12 1AJ
- Oakwell Brewery
Pontefract Road, Barnsley, South Yorkshire
- Odcombe Ales
Masons Arms, 41 Lower Odcombe, Lower Odcombe, Yeovil, Somerset BA22 8TX
- Okell & Son Ltd
UK - Kewaigue,Douglas,Isle of Man,IM2 1QG
- Old Bear Brewery
6 Keighley Road,Cross Hills, UK - Keighley,North Yorkshire,BD20 7RN
- Old Cannon Brewery
86 Cannon Street, Bury St Edmunds, Suffolk IP33 1JR
- Old Castle Brewery
Unit 5 Brittania Works, Skinner Lane, UK - Pontefract, North Yorkshire, WF8 1NU
- Old Chimneys Brewery
The Street,Market Weston, UK - Diss,Norfolk,IP22 2NZ
- Old Cottage Beer Company
Unit 3,Hall House Industrial Estate, UK - New Hutton,Kendal,Cumbria,LA8 0AN
- Old Cottage Beer Company
Unit 3, Brian Eccleshall Yard, Eccleshall Business Park, Hawkins Lane, Burton Upon Trent, Staffordshire DE14 1PT
- Old Court Brewhouse
Queen Street, Huddersfield, West Yorkshire HD1 2SL
- Oldershaw Brewery
12 Harrownby Hall Estate, UK - Grantham, NG31 9HB
- Old Kent Brewery Company
11b Western Road, Borough Green, Sevenoaks, Kent TN15 8AL
- Old Laxey Brewing Co. Ltd
Shore Hotel, Old Laxey, Isle of Man IM4 7AD
- Old London Bridge Brewery
2 Park Street, Borough Market, London SE1 9AB
- Old Luxters Farm Brewery
Old Luxters Vinyard, UK - Hambleden, Henley on Thames, RG9 6JW
- Old Mill Brewery Ltd
Mill Street,Snaith, UK - Goole,Humberside,DN14 9HS
- Old Pint Pot
Adelphi Street, UK - Salford, Greater Manchester, M3 6EM
- Old Wheelton Brewery
Dressers Arms, 9 Briers Brow, Wheelton, Chorley, Lancashire PR6 8HD
- Orange Brewery
37-39 Pimlico Road,Pimlico, UK - London,SW1W 8NE
- Orchard Brewery
Little Acres, Silversides Lane, Scoreby Brook, Brigg Lincolnshire
- Organic Brewhouse
Unit 1, Higher Bochym Rural Workshop, Cury Cross Lane, Nr. Mullion, Cornwall TR12 7AZ
- Original Brewing Company
Hollywood Bowl,Meridian Leisure Park, UK - Braunstone,Leicester,LE3 2WX
- Orkney Brewery
Quoyloo, UK - Orkney, Scotland, KW16 3LT
- Ossett Brewing Company Limited
Low Mill Road, Ossett, West Yorkshire WF5 8ND
- Otter Brewery Ltd
Mathayes, Luppitt, UK - Honington, South Devon, EX14 0SA