"> Home Company Services References Equipment Staff Contact Through solid rock CUSTOMER STORIES Expertise and demanding entities We quarry and construct below ground – in a sustainable and cost-effective manner. Read more about our projects. READ MORE SERVICES Construction special forces Rock solid expertise and decades of experience in wide-scale quarrying work and rock engineering. READ MORE STAFF Would you like to join our team? We are proud of our long experience and work results, therefore it is important for us that we do what have promised. ABOUT US We are the special forces of tunnel blasting and open pit mining. Our areas of expertise include demanding quarrying work, reinforcement work and concrete construction. Our Kalliorakennus team combines rock solid expertise and decades of experience – we go through solid rock. Our services Tunnel blasting We carry out tunnel blasting in a professional manner using suitable methods, and by utilising our wide range of machinery and special equipment. MORE INFORMATION Open pit mining We implement large open pit mining projects with decades of experience in even more demanding sites in a cost-effective and safe manner. MORE INFORMATION Underground construction Our strong experience, expertise and personal work method development open out entirely new opportunities for our customers to utilise underground premises. MORE INFORMATION REFERENCE Stockmann Hall blasting under the feet of thousands of customers REFERENCE Kampin Huippu Work in the city centre - among hundreds of cars REFERENCE Neulamäki Demanding rock blasting during the renovation of a road tunnel Do you want to be part of our expert team? Rock solid professionals in special construction work for us. If you would like to work among industry experts, please read more! FIND OUT ABOUT US Home Company Services References Equipment Staff Contact Kalliorakennus-Yhtiöt Oy is a company that specialises in quarrying, rock engineering and reinforcement work. The company includes Kalliorakennus, KRY Rakennus and Luja-Louhinta. Kalliorakennus-Yhtiöt Oy Petikontie 1 01720 Vantaa Switch +358 9 849 44 20 View our brochure Browse our electronic brochure here. Site by Atomi. By continuing you accept the use of cookies. CONTINUE