Building construction; construction consultation, planning, management and supervision; construction of structures for the production, transport and storage of crude oil, natural gas, chemicals, and renewable energy and consulting and project management services for the same; electrical contractor services; pipeline and pipeline terminal construction and maintenance; construction project management for gas plant, oil refinery, chemical plant and renewable energy plant shutdowns for the purposes of maintenance, overhaul, repair, inspection, and testing; Reinforcement of buildings, and other commercial or public building structures of masonry, concrete, steel and wood, namely, planning of installation, laying out of installation, and supervising of installation of reinforcement materials on buildings, pipes, bridges, structural columns, structural beams, structural slabs, structural walls, pipes, tanks, chimneys, structural connections, transportation infrastructure, water transmission facilities, waterfront structures, water storage facilities, and water treatment facilities; Repair and reconstruction of existing conduits and pipelines, such as sewer pipes, water mains and industrial pipelines by installing a liner within the existing conduit; lining the interior of pipelines for others by spraying on a fluid impervious epoxy-based barrier for protection from abrasion and corrosion; applying protective coatings to pipes; repairing pipes by coating with an epoxy; pipeline and cathodic protection installation and repair; laying and construction of pipelines and cathodic protection systems; construction and repair of cathodic protection systems for steel-reinforced structures