Classe 9 · Tecnologia & Comunicação
Control valves for sewers.;
Classe 11 · Indústria & Química
Sewage systems comprised or surge tanks, water traps, dump units, fittings, clamps, conduits and breathers.;
Classe 37 · Casa & Construção
Construction and installation of sewage systems; installation of utilities in the nature of sewage pipe systems in construction sites; sewer system maintenance and repair service.;