steel pipe and fittings therefor; steel tunnel liners

Non-metal construction materials for infrastructure and infrastructure networks, namely, reinforced and non-reinforced concrete pipe, Tees and Wyes for concrete pipe, reducers and increasers for connecting pipe of different sizes, concrete pipe bends, caps and plugs for closing pipe ends, maintenance holes, integrated frames and covers for maintenance holes, flexible pipe for connecting concrete and PVC pipe to maintenance holes, pipe appurtenances, catch basins for attachment to sewer pipes to trap debris, point of entry drain traps, head walls, box culverts, utility chambers, meter chambers, circular chambers, concrete pressure pipe and fittings therefor, valve chambers, structural spans for bridges and over and under crossings, bridge girders, concrete tunnel liners, tunnel lining segments, microtunneling and jacking pipe, vertical shafts, railway and subway ties, median barriers, precast slabs, non-metal integrated frame and cover structures for adjusting the height of manholes and maintenance holes to the height of the road surface, pre-stressed slabs, wing walls, pier caps, and abutments

consulting services in the field of design, construction, operation, equipment and processes for plants and factories producing components, products and materials for the building, maintenance and rehabilitation of infrastructure and infrastructure networks; engineering and design services in the field of components, products and materials used in the building, maintenance and rehabilitation of infrastructure and infrastructure networks

Consulting services in the field of equipment design and engineering process design for plants and factories producing components, products and materials for the building, maintenance and rehabilitation of infrastructure and infrastructure networks; engineering and design services in the field of components, products and materials used in the building, maintenance and rehabilitation of infrastructure and infrastructure networks