IC 012. US 019 021 023 031 035 044. G & S: Underwater remotely operated vehicles (ROVs) for pipe laying and construction and underwater surveys; ships and boats incorporating or carrying pipe laying and cable laying apparatus

IC 037. US 100 103 106. G & S: Underwater construction services; underwater repair services; underwater cleaning services; supervision of underwater construction; laying of pipe lines and cables; laying of sea cables; servicing of underwater diving apparatus; inspection services in the course of construction, construction, maintenance and repair of off shore drilling rigs, platforms, underwater pipe lines and other apparatus, namely, spools, templates, cables and umbilicals, protection structures, valves, connectors; installation of oil and gas production apparatus, rental and leasing of pipe and cable laying apparatus; consultation and advisory services relating to construction

IC 039. US 100 105. G & S: Diving services; transportation of diving apparatus; rental of diving bells and deep water diving suits; rental and leasing of ships

IC 042. US 100 101. G & S: Underwater explorations; surveying services; consultancy services relating to underwater and marine surveying; engineering, environmental, geological, geophysical, hydro-graphic, surveys, namely, underwater and marine; consultation and advisory services relating to surveys and engineering; design of underwater apparatus; design of underwater structures; design of cable and pipe lines; diving and underwater engineering services; underwater engineering services relating to the design and installation of pipe lines