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Dirextra  is Business School based in Manchester (United Kingdom), founded in 2003, specifically oriented towards the International Construction Infrastructure, Engineering and Oil & Gas SectorIt is aimed at those who, after their degree or during their professional careers, intend to undertake an in-depth study of General Contracting for Large Works, Construction Infrastructure, Engineering, Piping, Drilling and Oil & Gas Sectors.

A significant number of jobs in Construction Infrastructure and Oil & Gas Sectors adverts specify NEBOSH qualifications, demonstrating the high standard of NEBOSH courses and training.

The NEBOSH Courses are offered by Dirextra Business School in association with SHEilds Ltd, accredited NEBOSH Centre 548

For companies please contact us if you are interested in buying courses for more employees:

  • In-Company Classroom - course plus exam. Effective and team building efficient. Available in England and in Italy.   To ask for a quote write to
  • Online - ideal for dynamic Construction and Oil&Gas Companies with training teams across multiple sites around the world or individuals. More flexible, less expensive and less time consuming in travelling and commuting. To ask for a package for more employees please write to