Custom manufacture of products for building, construction, civil engineering and structural engineering for others; custom manufacture of measuring, testing, detecting and monitoring devices for others; assembly of products for others; magnetization; welding; metal hardening services; galvanizing; biological decontamination services; decontamination of hazardous materials; radiation area decontamination services; decontamination of nuclear waste; nuclear decontamination services; metal treatm...

Construction Services-Namely, Building Construction, Bridge Building, Roadbed Construction, Earthwork and Foundation Building, Erection of Reinforced Concrete Structures, Installation of Earth and Rock Anchors, Installation and Assembly of Industrial Plants, Shipbuilding, Chimney Construction, Construction of Tunnels and Galleries, Repair and Maintenance Work on Structures, Demolition Work, Excavation Work, Paving and Tiling Work, Blasting Work, Highway and Road Construction

ARMORING INSERTS OF STEEL, AND TENSIONING ELEMENTS FOR MAKING PRESTRESSED CONCRETE

Post-tensioning systems comprised of reinforcing and prestressing steel, anchorages, couplings, sleeves, sheathing tubes, grout injection tubes.

Post-tensioning systems, namely, bearing surface and anchorage, consisting of concrete filled semicircular shell used in the fields of construction and repair