construction and repair services of ships, barges, tow boats, fishing vessels, dredges, dry dock facilities, wharves, bulkheads, piers, bridges, offshore platforms, (including platforms for the exploration and production of oil, lighthouses, and platforms for sulfur mining) mooring systems, loading docks, power plants, and industrial plants; the construction of pipelines, drainage systems, oil and gas production facilities, petroleum processing facilities, instrumentation systems, lighting systems, roads, and wellheads; the repair of vessels; and underwater dredging and the stabilization of rivers and waterways, namely the support of shorelines and maintaining of river bottoms using levies, rocks, concrete, mats and/or the like