The ERKO company was founded in 1981 by Eng. Roman Pętlak. The company's headquarters is located in Jonków near Olsztyn, and the production branch is in Czeluśnica near Jasło. ERKO has always been a family company. Currently, the founder's family is still actively involved in the management of the company. It is one of the leading producers of various types of cable terminals and cable connectors as well as tools for electrical work in Poland. Our own design offices, advanced production technology and a modern and versatile machine park allow us to quickly respond to individual customer needs.