WSI

Mechanical maintenance services to the nuclear and non-nuclear power, chemical, petrochemical, pulp and paper, steel, metal and similar heavy industries, namely, maintenance of major mechanical components critical to the production process in each of these industries; repair, refurbishing, modification, and replacement services relating to major mechanical components and parts critical to the production process in the nuclear and non-nuclear power, chemical, petrochemical, pulp and paper, steel, metal, and similar heavy industries