Description: Class 6: Metal pipes; metal pipe fittings for metal pipes; cement lined metal pipe; cement coated metal pipe; dielectric material lined metal pipe; dielectric material coated metal pipe; coated metal pipe; lined metal pipe; branching pipes of metal; metal pipe couplings and joints; and metal storage tanks
Class 11: Filtration and separation installations, namely, dewatering containers being dewatering machines for use in treatment of liquids including water, industrial effluent, and sewage, and chemical treatment installations being water treatment equipment in the nature of chemical sterilization units, waste processing machines using heat and chemical breakdown processes, sustainable onsite water recycling and wastewater treatment systems
Class 17: Concrete fittings for pipes being junctions, reducers, increasers, elbows, tees, wyes, and bends
Class 19: Pre-cast concrete structures, namely, pre-cast concrete vaults, reinforced concrete pipe, concrete box culverts, catch basins for attachment to sewer pipes to trap debris and drainage inlets; Pre-cast concrete structures, namely, storm drains, concrete drainage structures being storm manholes, catch basins for attachment to sewer pipes to trap debris, curb inlets being drainage inlets, reinforced concrete pipes; Precast concrete structures, namely box culverts, for water, vehicle, or foot traffic; Precast dry utility structures of concrete, namely power vaults and electrical vaults; Lined precast products for sanitary sewer system applications, namely, lined precast concrete manholes, lined precast concrete pipes, lined precast wet wells, lined precast concrete vaults
Class 40: Custom construction of pre-cast concrete structures, namely, pre-cast concrete vaults, reinforced concrete pipe, concrete box culverts, catch basins
Class 42: Engineering services
