- Oil Spill Response Ltd - Marine House Blaikies Quay, Aberdeen, AB11 5EZ
- Oil States - Moss Road, Gateway Business Park, Aberdeen, Aberdeenshire, AB12 3GQ
- Oil States - Bouthwood Road, Barrow In Furness, Cumbria, LA14 4HB
- Oil Tank Supplies Ltd - Springhill Industrial Estate, Moreton in Marsh, Gloucestershire, GL56 9TP
- Oil Technics Ltd - Linton Business Park, Aberdeenshire, DD1 0NH
- Oil-dri UK Ltd - Bannisters Row, Wisbech, Cambridgeshire, PE13 3HZ
- Oilfield Testing Services Ltd - Qualtest House, Great Yarmouth, Norfolk, NR31 0NU
- Oilgear Towler - 37 Burley Road, Leeds, West Yorkshire, LS3 1JT
- Oil-line Heating Services - Sweetbrow Cottage, Keighley, West Yorkshire, BD22 0LN
- OIltech Bearings - Unit 3, Newcastle upon Tyne, Tyne and Wear, ne13 7gd
- Ois Removals LTD - Unit 61, Wimbledon Stadium Business Centre, Riverside Road, London, SW17 0BA
- OK International (Europe) Ltd - OK House, Stanton, Suffolk, IP31 2AR
- Ok Joinery Ltd - Unit 23, Hoobrook Enterprise Centre,, Kidderminster, DY10 1HB
- OK Social - 64 Quarry Hill Rd, Tonbridge, Kent, TN9 2PE
- Okel Ltd - The Whitehouse, Warrington, Cheshire, WA4 6HL
Companies 271 to 285 | Page 19 of 62