37
Building construction; repair; installation services
plumbing; plumbing services related to plumbing repairs, maintenance, new installation, remodeling and new construction, for all residential, commercial and industrial uses; installation, replacement, maintenance and repair services for plumbing, water, drain and gas piping; installation, replacement, maintenance and repair services for water heaters and tankless water heaters; installation, replacement, maintenance and repair services for all gas and electrical water heaters; all drain and sewer cleaning and rootering services; drain cleaning services; plumbing repair advisory services; installation, replacement, maintenance and repair services for septic tank systems; septic tank pumping and cleaning; maintenance of toilets, bidets, plumbing installations, refrigeration systems, gas appliances, hose bibs, washing machines, sinks, tubs, showers, faucets, water heaters, tankless water heaters; plumbing and gas and water installation
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
inspection services, namely, detection of leaks in plumbing, the ground, concrete, walls, water pipes, gas lines, sewers, storage tanks, conduits, drainage systems, home, and irrigation systems by means of video and electronic devices needed for the inspection