Finnish Electrotechnical Trade Association (STK) is the association of electrical wholesalers, manufacturers and importers.

STK promotes competitiveness of its members and the total supply chain by providing product data services, statistics and communication services and by contributing actively to the development of the electrical branch in Finland. The association has circa 80 members of which 12 are wholesaling companies and the rest are manufacturers or importers. The association represents all major players of electro-technical trade in Finland.