R. N. SONS

Computer consultancy and computer facilities management activities

Management consultancy activities

Private security activities

Security systems service activities

General cleaning of buildings

Cleaning of trains buses, planes etc.

Other building and industrial cleaning activities

Construction of buildings carried out on own-account basis or on a fee or contract basis

Construction and maintenance of motorways, streets, roads, other vehicular and pedestrian ways, highways, bridges, tunnels and subways

Construction and maintenance of railways and rail-bridges