Company Index
- O and B Muir - Bedale
- O and H Moyle - Llanbrynmair
- O and K E Williams - Malpas
- O and M Fryer - Lydney
- O and P Sweetman - Lewes
- O B and M Edwards - Bala
- O B Blake - Boscastle
- O B Denison - Ipswich
- O C W & A M Morgan - Haverfordwest
- O D Tranter - Usk
- O E Bowen - Welshpool
- O E Morris & Sons - Presteigne
- O G Evans - Llanbedr
- O G Martin - Narberth
- O G Thomas - Dyffryn Ardudwy
- O Gates - Pewsey
- O Gibbin - Whitland
- O H Hurd - Bridgwater
- O H Owen - Holyhead
- O H Roberts - Knighton
- O Hardy - Derby
- O Hotz De Baar - Didcot
- O Hughes - Ty Croes
- O I Lewis and Co - Llandovery
- O J Bromell - Rugby
- O J Cattel - Wellington
- O J E Skyrm - Tenbury Wells
- O J Hopper - Beaworthy
- O J Morice - Aberystwyth
- O J Price - Llanwrtyd Wells
- O J Saunders - Newton Abbot
- O J Stephens Co Ltd - Caldicot
- O J Thomas - Whitland
- O J Williams - Montgomery
- O James - Crymych
- O Jones - Llanidloes
- O K Mugleston & Son - Romford
- O Kane Irish Foods - Wembley
- O L M Sutton - Scarborough
- O M Davies - Crymych
- O M Wearmouth - Barnard Castle
- O Mcaufield - Newtownabbey
- O Morrell - Pontefract
- O Mostyn Williams - Amlwch
- O Ozenbas - Hertford
- O P Watts - Caerphilly
- O Petherick - Bude
- O Petherick - Launceston
- O Potter Farms Ltd - Bedale
- O R & J Vanstone - Okehampton
- O R Bailey - Chichester
- O R Parry - Holyhead
- O S Davies - Boncath
- O S J and G Davies - Ferryside
- O S Jones - Llanbrynmair
- O S Thomas - Carmarthen
- O T Evans - Llandysul
- O T Lloyd - Hereford
- O T Owen - Holyhead
- O T W Chandler & Co - Abergavenny
- O Thomas - Haverfordwest
- O Vaughan Jones - Wells Next The Sea
- O W and R B and E W Pritchard - Bodorgan
- O W Griffith - Bangor
- O'Connor David - Boston
- O'Haren Ronnie P - Newport Pagnell
- O'kane - Lisburn
- O'kane Bros - Ballymena
- O'neill Frankie - Dungannon
- O'Neill Hugh M - Henfield
- O-Fish-Shell Ltd - Lochgilphead
- O.P. Chocolate Ltd - Merthyr Tydfil
- O.V. Garland & Sons Ltd - Shepton Mallet
- O.W. Wortley & Sons Ltd - Thetford
- Oak Brewing Co Ltd - Heywood
- Oak Forest Foods Ltd - Tipton
- Oak Tree Farm Ltd - Haverfordwest
- Oak Tree Nurseries - Virginia Water
- Oakbank Game and Conservation Ltd - Huntingdon
- Oakes Bros Ltd - Horsham
- Oakes K C & Sons - Batley
- Oakes Trevor & Susan - Birmingham
- Oakey D J & Son - Banbury
- Oakfield Farm - Ascot
- Oakfield Farm Products Ltd - Bradford on Avon
- Oakfield Farm Products Ltd - Broadway
- Oakford Farms - Frodsham
- Oakford Farms Ltd - Frodsham
- Oakford Shellfish Ltd - Blandford Forum
- Oakfords Ltd - Kidderminster
- Oakhurst Farm Eggs - Rugby
- Oakland Farms Ltd - York
- Oaklea Nurseries Ltd - York
- Oakleaf European Ltd - Bournemouth
- Oakleigh Nursery - Harlow
- Oakley Bros - Bedford
- Oakley Green Garden Centre - Bristol
- Oakley J - Bridgnorth
- Oakley M V B - Rye
- Oakley Nursery - Wisbech
- Oakley T V & Partners - Shrewsbury
- Oaktree Foods Ltd - Antrim
- Oakwood Nursery - Waltham Abbey
- Oas Imports Ltd - Oldham
- Oasis Aquarium - Salford
- Oasis Foods Ltd - High Wycombe
- Oasis Wholefoods - Rickmansworth
- Oasthouse Engineering Ltd. - Sheffield
- Oates R F H & Son - Newark
- Oban Distillery - Oban
- Occasion Cakes - Bristol
- Occasions Cake Studio - Grays
- Ocean Bounty Ltd - Grimsby
- Ocean Products Distributing Ltd - Liverpool
- Ocean Star Seafoods Ltd - Goole
- Oceanbed Farmers - Ledbury
- Ockbrook Training Services - Derby
- Ockendon C & M - Chelmsford
- Ocme UK Ltd - Newbury
- OCS Group UK Ltd - Manchester
- Octagon Products - Daventry
- Octopus Collation Solutions Ltd - Derby
- Odds Farm Rare Breeds Centre - High Wycombe
- Oddy Anthony & M - Dorchester
- Oddy B & B C - Coventry
- Odlin & Graves - Louth
- Oerlemans Foods UK Ltd - Grimsby
- Off Zero Ltd - Cullompton
- Offoxey Farm - Shifnal
- Og Masters - Delabole
- Ogborne Bros - Bristol
- Ogden - Keighley
- Ogden F & Son - Keighley
- Oggys Novelty Cakes - Lichfield
- Ogle A N - York
- Ogmore Vale Bakery Ltd - Bridgend
- Ogwyn Evans - Carmarthen
- Oil Merchant - London
- Oilstore Ltd - Southampton
- Oj Jones - Amlwch
- Oj Sanders - Lynmouth
- Oke W N - Okehampton
- Okemoor Quality Foods - Okehampton
- Okill D & A - Macclesfield
- Old Bakery - Taunton
- Old Barn Farm Ltd - Edenbridge
- Old Barn Nursery - Carmarthen
- Old C E - Wadebridge
- Old Cart Lodge Cake Co - Dorking
- Old Clee Bakery - Grimsby
- Old Court Farms - Leominster
- Old Fashioned Foods Uk Ltd - London
- Old Ford Catering Equipment Centre - London
- Old Hall Farm - Lowestoft
- Old Park Foods Ltd - Craigavon
- Old Runnel Farm - Blackpool
- Old Spice - Stockton on Tees
- Old Stone Charolais Herd - Antrim
- Olden H G M - Romsey
- Oldershaw Brewery - Grantham
- Oldfield E & E & Son - Wellingborough
- Oldfields Quality Foods - London
- Oldham J K - Leicester
- Oldham J S - Southport
- Olds P R & E J & Son - Falmouth
- Olds W R E M & W L - Camborne
- Oliver - Halesworth
- Oliver - Norwich
- Oliver - Spilsby
- Oliver (Farms) Ltd - Sudbury
- Oliver Adams Ltd - Rugby
- Oliver Bros - Buxton
- Oliver Bros (Fish Merchants) Ltd - Grimsby
- Oliver Cooper - Ipswich
- Oliver Greenan - Newry
- Oliver GS Cornish - Sudbury
- Oliver Harry A - Newark
- Oliver I & Partners - Harrogate
- Oliver John & Sons - Spilsby
- Oliver MH - Fakenham
- Oliver Priestley - Downpatrick
- Oliver R G & Son - Royston
- Oliver Steven R - Spilsby
- Oliver T A - Morpeth
- Oliver Webb - Newport (IOW)
- Oliver's Farm - Newcastle upon Tyne
- Olives Et Al Ltd - Sturminster Newton
- Olives Osmin - Craven Arms
- Olivier Perret - Llandeilo
- Ollerton Fred A & Sons - Wigan
- Ollett Keith - Bury St Edmunds
- Olley Frank & Son - Braintree
- Ollier C & J - Middlewich
- Olnafirth Sea Farm Ltd - Shetland
- Olney J & W A - Bedford
- Olsons - London
- Olsten Trout Ltd - Louth
- Olus Environmental Ltd - Henfield
- Olver R G & Sons - St Austell
- Olver T R - Truro
- Olverson - Ormskirk
- Olympia Foods - Plymouth
- Olympic Conveyor Services Ltd - St Austell
- Om and D M Jones - Newport
- Omagh Meats - Omagh
- Omega Efa Ltd - Carnforth
- Omega Ingredients Ltd - Ipswich
- Omnitrack (Ball Transfer Units) Ltd - Stroud
- Omonia Continental Patisserie - London
- Omron Electronics Ltd - Milton Keynes
- On Farm Services - Nottingham
- Oncoland Ltd - Longfield
- One Shot Corporation Ltd - West Malling
- Oneida Viviers Ltd - Milford Haven
- Onions - Shrewsbury
- Onions D M & C L - Nottingham
- Onions P J - Newark
- Onix (Marketing) Ltd - Bourne
- Online Bottlers Ltd - Middlesbrough
- Online Packaging Ltd - Gloucester
- Only Natural - St Helens
- Only Pets & Horses - Llandysul
- Onward Fishing Co Ltd - Aberdeen
- Onyett Farms Ltd - Huntingdon
- Oosterhof and Co - Fraserburgh
- Operational Support Ltd - Chesterfield
- Opie A T & Y J - Liskeard
- OPM Group - Keighley
- Opra Packaging Ltd - Walsall
- Opsol UK Ltd - Cramlington
- Optima Health Ltd. - Cardiff
- Options Employment Ltd - Hounslow
- Or Rowlands - Amlwch
- Oram Kevin J - Beccles
- Oram W D - Norwich
- Orangeburst Ltd - Brighton
- Orbital Foods Ltd - Bury St Edmunds
- Orbiter Food Machinery Ltd - Nottingham
- Orchard County Chemicals - Armagh
- Orchard County Foods - Craigavon
- Orchard Farm Dairy - Hawick
- Orchard Fisheries - Lancing
- Orchard Fruit Wine - Wetherby
- Orchard Hill Farm - Andover
- Orchard House Foods Ltd - Corby
- Orchard Ian P C - Dunstable
- Orchard Nurseries (Terrington) Ltd - Wisbech
- Orchard Wholefoods - Budleigh Salterton
- Orchardlea Foods - Exeter
- Orde M W - Morpeth
- Ordens Farms Ltd - Banff
- Orexis Ltd - London
- Organ Gerald - Cheltenham
- Organ L - Blackwood
- Organic Farming Castle Acre Ltd - Kings Lynn
- Organic Herb Trading Co - Taunton
- Organic Potato Growers Ltd - Inverness
- Organic Resource Management - Canterbury
- Oriella Ltd - London
- Oriental Delight - Wembley
- Oriental Spices - Grimsby
- Original Landscape Design Nurseries - Colchester
- Orion Confectionery International Ltd - Horley
- Orion Farming Group Ltd - Abingdon
- Orkney Herring Co Ltd - Orkney
- Orkney Marine Hatcheries - Orkney
- Orkney-Work R J - Caernarfon
- Orm Fary Farmers - Lochgilphead
- Orme-Smith Partnership - Oakham
- Ormond Farm Partnership - Swindon
- Ormrod J D V - Thatcham
- Ornamental Plants Ltd - Preston
- Orr Bros - Londonderry
- Orr John S - Downpatrick
- Orr L & D - Bathgate
- Orr R J - Cookstown
- Orr TJ - Pencader
- Orr W & Son - Downpatrick
- Orr-Ewing Hamish & Ann - Swindon
- Orton Farmers Market - Penrith
- Orton Wholesale Bakeries - Leeds
- Osborn - Wigton
- Osborn J & W - Workington
- Osborne A J - Ilminster
- Osborne B R & Son - Towcester
- Osborne C J & Son - St Columb
- Osborne Farming Co - Cupar
- Osborne Farms - Forfar
- Osborne Norman A - Lincoln
- Osborne P F & J - Westbury
- Osborne Pamela M - Gloucester
- Osborne R J - Wigton
- Osbourne John Chapman - St Neots
- Osbourne Tim - Penzance
- Oscar B Pugh - Hereford
- Oscar Mayer Ltd - Chard
- Oscura Ltd - Reading
- Osian Storey Williams - Denbigh
- Osmond W J - Dorchester
- Osmonds - Whitchurch
- Osprey Foods International Ltd - Holt
- Ostcorp-the Ostrich Corporation Ltd. - Winkleigh
- Ostlers Cider Mill - Barnstaple
- Ostlers Farm Products - Braintree
- Ostrey Systems - Westhill
- Oswald H M Loxton - Taunton
- Oswestry & District Agricultural Society - Oswestry
- Ot Roberts - Penysarn
- Otby Farming Co - Market Rasen
- Othniel Shell Fish Farmers - London
- Otley Cattle Market Auction Ltd - Otley
- Otter Estates - Tighnabruaich
- Otter Ferry Seafish Ltd - Tighnabruaich
- Otter Vale Products - Budleigh Salterton
- Otterburn Brian Agricultural Engineers - York
- Otterburn Timothy A - York
- Ottery Wholefoods - Ottery St Mary
- Ottley Controls Ltd - Kettering
- Oultram T R J M & Son - Frodsham
- Ouse Bridge Farms Ltd - Downham Market
- Ouston Farms Ltd - Chester le Street
- Outhwaite F R - Selby
- Ovaflo - Westhill
- Ovenell R J - Torrington
- Ovens J R & M J - Beaworthy
- Over Rankeilour Farm - Cupar
- Overman Son and Co Ltd - Kings Lynn
- Overman Son and Co Ltd - Market Harborough
- Overseal Natural Ingredients Ltd - Swadlincote
- Overton H A & Son - Great Yarmouth
- Overy Farms - Tonbridge
- Overy J H - Wadhurst
- Overy Nigel P - Tarporley
- Ow and R J James - Goodwick
- Owen & Yabsley Ltd - Tiverton
- Owen A - Criccieth
- Owen Albert Lloyd - Llangefni
- Owen and Morris - Rhosgoch
- Owen B T - Tenby
- Owen Bros - Newtown
- Owen Bryn - Llanrwst
- Owen C Giller - Ormskirk
- Owen C J - Richmond
- Owen C Whittaker - Knutsford
- Owen David Terrance - Welshpool
- Owen E E - Oswestry
- Owen Elfyn - Cardigan
- Owen English and Son - Maidstone
- Owen Farms (Westbury) Ltd - Brackley
- Owen G J - Fishguard
- Owen G R & Son - Pwllheli
- Owen Glyn - Llandrindod Wells
- Owen Gribbin - Magherafelt
- Owen Hackett - Augher
- Owen Haughian - Newry
- Owen Humphreys - Aberystwyth
- Owen Les Dairy Supplies - Welshpool
- Owen M J & A - Ashford
- Owen O W - Pwllheli
- Owen Pierce and Sons - Holyhead
- Owen Pyers - Banbridge
- Owen R A & Son - Liverpool
- Owen RW - Criccieth
- Owen Thomas - Widnes
- Owen W E - Oswestry
- Owen William J - Llanrwst
- Owen-Lowe T J - Brecon
- Owens - Bromsgrove
- Owens - Presteigne
- Owens A G & D - Llanelli
- Owens Dairy - Radstock
- Owens David - Cookstown
- Owens E J & Co - Brecon
- Owens G & D M - Brecon
- Owens Nutrition Ltd - Northallerton
- Owens W J H & D L - Llandysul
- Owers R V - Cambridge
- Owl House Fruit Farm - Tunbridge Wells
- Oxborough Farms Ltd - Kings Lynn
- Oxenholme Farm - Kendal
- Oxford Agricultural Trials Ltd - Bicester
- Oxford Analytical Ltd - Bicester
- Oxford Nutrition Ltd - Witney
- Oxford Wholefoods Ltd - Oxford
- Oxnead Farms Ltd - Norwich
- Oyston Frank R - Royston
- Ozdiller Wholesaler - London
