Index of O - 16 (16 businesses)

O C S Consulting - Hardware consultancy

Oaklands College - Higher education

Oculus Ltd - Motion picture and video production

On-Line Mortgages Ltd - Other credit granting

Oosman & Co - Business and management consultancy activities

Opal Signs Ltd - Manufacture of other office and shop furniture

Opensite Europe Ltd - Other computer related activities

Orange Amplification - Other retail sale in specialised stores

Oxfam - Social work activities without accommodation

Offtape Live - Recording Studio

Olive Plumbing & Heating Ltd - Plumber

Olympic Preservation Ltd - Waterproofing Company

OSPREY METAL FINISHERS LTD - Metal Polishing Service

OYO Elstree Inn - Hotel

One Stop - Convenience Store

Online Medical Experts - General Practitioner