PRESSTEC

Non-metallic rigid pipes for construction; asphalt, pitch and bitumen; non-metallic transportable constructions; non-metallic monuments; mortar for building, namely, mineral mortar, lime mortar, lime-cement mortar, cement mortar, gypsum mortar, trass mortar, trass-lime mortar, but not including non-metallic flashing; doors, gates, windows not of metal

Repair, renovation and maintenance of building structures including historic and masonry structures, namely, road bridges, dams, dikes, embankments, weirs and hydraulic structures; advisory services relating to the maintenance, repair and renovation of buildings and other structures; building construction services, namely, drilling of cores, close reinforcement of masonry and insertion of ties, but not including any such services relating to non-metallic flashing; building construction and demolition services; building maintenance and repair; glazing, installation, maintenance and repair of glass, windows and blinds; plumbing installation, maintenance and repair

Metal treatment; recycling and waste treatment; welding