Process

Construction work for pipelines, communication and power lines, for highways, roads, airfields and ra... Construction, foundation and surface works for highways, roads Other community, social and personal services Foundation work for highways, roads, streets and footpaths Construction work for highways, roads Ventilators

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Caribbean Central America Latin America North America

Civil Works Building Automobiles and Auto Parts Non-Renewable Energy Supply Roads and Highways-Bridge Printing and Publishing Electricity Construction Energy-Power and Electrical Computer Hardwares and Consumables Industry Healthcare Equipment and Services Building Material Marine