products in Nigeria (Ministerial Committee on Causes
of High Government Contracts, 1982; Federal Ministry of
Works and Housing, 2003), and because they execute
the construction projects and employ the workers for
those jobs, they are one of the parties that influence
OHS conditions in the industry.
Nigerian construction contractors can be sorted
into categories based on the scope of their operations.
There are four categories of contractors: local, regional,
national and multinational. The scope of operations