Arts Business Other Similar Organizations (except Business Other Similar Organizations (except Business

Construction work for pipelines, communication and power lines, for highways, roads, airfields and ra... Construction, foundation and surface works for highways, roads Tunnelling works Construction work for engineering works except bridges, tunnels, shafts and subways Foundation work for highways, roads, streets and footpaths Construction work for highways, roads Other services

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Building Automobiles and Auto Parts Supply Bridges and Tunnels Roads and Highways-Bridge Infrastructure Printing and Publishing Services Infrastructure and Tunnels Construction Energy-Power and Electrical Computer Hardwares and Consumables Steel Laboratory Equipment and Services Building Material Marine