IC 009. US 021 023 026 036 038. G & S: Energy monitoring devices, namely, gas and water meters and automatic utility meter readers and electric meters

IC 011. US 013 021 023 031 034. G & S: Energy, water and sewer supplies, namely, pipes being parts of sanitary facilities; flushometer valves; manually-operated plumbing valves; plumbing fittings, namely, valves; regulating accessories for water supply, namely, metered valves; plumbing fittings, namely, drains, couplers, bibbs, cocks and traps; hydrants

IC 035. US 100 101 102. G & S: Customer services to municipalities and resort communities in the field of waterworks, sewer, irrigation and energy systems; billing services for utilities, municipalities and resort communities

IC 037. US 100 103 106. G & S: Installation, maintenance and repair services for waterworks, sewer, irrigation and energy systems, namely, fire hydrants, sewer and irrigation pumps and utility meters; hot tapping, namely, under-pressure drilling or making a connection to existing pipelines or tanks while that existing system is under pressure; construction, installation, maintenance and repair of district energy systems and geoexchange systems for municipal, residential, commercial and industrial applications

IC 039. US 100 105. G & S: Public utility services in the nature of water distribution; public utility services in the nature of propane, natural gas and electricity distribution

IC 040. US 100 103 106. G & S: Welding in the nature of high-density polyethylene (HDPE) pipe fusion; environmental remediation services, namely, soil, waste and/or water treatment services; irrigation services performed as part of the water treatment process

IC 042. US 100 101. G & S: Meter-reading services, namely, remote reading of electric, water and gas meters; design of district energy systems and geoexchange systems for municipal, residential, commercial and industrial applications; electricity measurement evaluation services; leak detection in waterworks, sewer, irrigation and energy systems; testing of water pressure and backflow in waterworks, sewer, irrigation and energy systems