front page JTR-Metalli Destinations Contact information Contact Ongoing projects: Valio Oy Turenki, Factory expansion Suomen Nestle Oy, Laundry Center extension Hämeen Diesel, extension We have all moved under one roof. Our new premises are located in Hämeenlinna in the Moreen area at Hansatie 5, 13430 Hämeenlinna The official business name of Janakkalan Talonrakennus Oy has been changed to JTR-Rakennus Oy with a change made to the Trade Register on 11 November 2010. The name change has been made to clarify the company image. JTR-Rakennus Oy (JTR) is a medium-sized construction company founded in 1979. The company is based in Hämeenlinna and its main business area is Kanta-Häme and northern Uusimaa. JTR-Rakennus Oy is the oldest private construction company operating in Hämeenlinna. The company's main industries are commercial and public construction, industrial construction and renovation activities, which it carries out as the main contractor. On October 1, 2010, custom machine shop operations were started as a new business. The marketing name of the bespoke workshop is JTR-Metalli and it supplies various steel structures for its own construction production and mainly for the needs of external customers. The company's main customers are cities and municipalities, associations of municipalities, private companies, state and state-owned institutions and units. JTR has a RALA qualification rating and is a member company of Rakennusteollisuus RT. On 13 May 2014, the company was awarded the CE mark : structural welded steel assemblies and product systems in implementation classes EXC1 and EXC2. The starting point of the company's operations is high quality. It is ensured e.g. with professional and motivated own staff. The network of subcontractors is long-term and cooperation is constantly being developed. The company employs an average of 45 people. ;