Koskisen Oy is a provider of products and services such as building contractors, passive houses,repair, restoration and renovation contractors for concrete,sand-blasting contractors, civil engineering and building industry,civil engineering contractors with own design facilities,civil engineering contractors without own design facilities,transport infrastructure design,drainage system contractors, airfield runway and road,noise barrier installation contractors, road and motorway,on-site recycling of road and motorway surfacing materials,corrosion prevention and control consultants,cathodic protection of pipelines engineering consultants,wood jointing services,wood edge banding services,veneer cutting services,timber drying and seasoning services,timber splitting services,timber sawing services,timber planing services,timber sanding services,timber bending services,corrosion testing and inspection services,monitoring services, corrosion,boards, wooden, for scaffolding,decorative building elements, concrete,arches, rafters, beams, purlins and joists, wooden, for roofs,beams, wooden, period style, imitation,deal for pokerwork,wood, dyed,wood, stress graded,wood, resin impregnated,wood, compressed and densified,wood for furniture manufacturing,wood for flooring,wood for packing cases,wood for pallets,wood for boat building and shipbuilding,wood for structural marine use,wood for formwork,firewood,boards, wooden, lacquered,belly wood for musical instruments,veneer sheets, wood,lath wood for slats, tree props and hoops,laths and battens, wooden,splint wood, match splints,weatherboards, wooden,pit props and mine sleepers, wooden,poles, wooden, for electricity transmission lines,stakes and props, wooden,concrete and mortar antifreeze agents,waterproofing agents for concrete and mortar,water-repellents for concrete, brick and stone,timber dressing services.