Fittings of metal for building; blooms [metallurgy]; ingots of common metal; iron, unwrought or semi-wrought; steel buildings; steel sheets; cast steel; sheets and plates of metal; common metals, unwrought or semi-wrought; iron slabs; rods of metal for welding; alloys of common metal; steel alloys; steel, unwrought or semi-wrought; pipes of metal; tubes of metal; cast iron, unwrought or semi-wrought

Import-export agency services; commercial information agency services; cost price analysis; business auditing; financial auditing; demonstration of goods; opinion polling; market studies; business information; business investigations; marketing research; business management and organization consultancy; news clipping services; organization of exhibitions for commercial or advertising purposes; organization of trade fairs for commercial or advertising purposes; business appraisals; payroll preparation; sales promotion for others; rental of advertising time on communication media; dissemination of advertising matter; advertising; publicity; procurement services for others (purchasing goods and services for other businesses)

Electroplating; metal tempering; metal casting; metal treating; metal plating; waste treatment [transformation]; custom steel rolling; blacksmithing; custom assembling of materials for others; refining services; sorting of waste and recyclable materials [transformation]

Chemical analysis; conducting technical project studies; engineering; material testing; installation of computer software; mechanical research; research in the field of physics; chemical research; research and development of new products for others; technical research; calibration [measuring]; quality control; consultations in the field of environmental protection; updating of computer software; maintenance of computer software; surveying