Ortho International LimitedBusiness: Non-specialised wholesale trade. Activities of venture and development capital companies. Management consultancy activities other than financial management. Educational support services
Orthonika LimitedBusiness: Research and experimental development on biotechnology. Other research and experimental development on natural sciences and engineering
Otaski Energy Solutions LtdBusiness: Manufacture of electric lighting equipment. Business and domestic software development. Other research and experimental development on natural sciences and engineering
Oundle SchoolBusiness: Development of building projects. Buying and selling of own real estate. Other letting and operating of own or leased real estate