Front page " Services » Contact information » Contacts » JJT-Rakennus Oy JJT-Rakennus Oy is a construction company in Nurmijärvi. The company has almost 20 years of experience in the field. We handle all types of construction work, from new buildings to renovations. In addition, we sell and rent earthmoving machinery and equipment. We work all over Finland. Feel free to contact us! JJT-Rakennus Oy, Ruutosuonpolku 9, 05100 RÖYKKÄ, Tel. 0500 424 937 back up