front page Products Bidding Installation and transport services Contact information Request for order or quote Feedback Welcome to PR-Aitta Unto Koponen founded PR-Aitta Oy in 1984. The company began operations in Kevadniemi in 1986. In 2000, there was a change of ownership. In that case, Jari Heiskanen took over as the leader. The company's premises are located in Käänniemi, Lieksa, at Työpajankatu 4, and in Pytiivaarantie, 62 in Kontiolahti . area. The Kontiolahti plot has a size of 3,300 m² and comprises a 2,000 m² outdoor warehouse, a 250 m² warehouse and a 300 m² store. More detailed contact information and driving maps can be found on the contact page . The company has been awarded the highest AAA credit rating since 2003. In the financial statements classification of Kauppalehti and Balance Consulting Oy, the company is ranked among the top 25 companies in its province. Lieksa PR-Aitta, we serve Mon – Fri 8–17 and Sat 9–13 Kontiolahti PR-Aitta, we serve Mon – Fri 7–17 and Sat 9–14 President and CEO Jari Heiskanen