Keski-Suomen Kuljetus Oy (KSK) is a KTK company founded in 1962, whose operations are based on transport services, processing and sale of aggregates, management of soil areas and construction contracting. In 2020 KSK became part of the Savon Kuljetus Group and together with other Group companies we offer services throughout Finland. KSK's soil and aggregates business focuses on Central Finland. The company is headquartered in Muurame and has a regional office in Viitasaari. They provide various service packages to the state, cities, municipalities, companies and individuals.