Start Everything in ground and asphalt work Reference object About us Gallery plug Welcome to KMAB We perform everything in ground and asphalt work as well as construction and civil engineering contracts in Central Sweden. No job is too big or too small for us! KMAB is a relatively new company owned by Mikael Andersson and Janne Wärn. We are established in Karlskoga on Botorpsvägen 1, where we have offices, a workshop, material storage and manpower. We perform ground, asphalt and construction work for municipalities, housing companies, energy companies, industry and private customers. We provide free quotes on our customers' wishes and can also help with suggestions and solutions on e.g. design and choice of material. If you are thinking of doing something about your outdoor environment or have problems with moisture in the basement or need to change water and sewage, we are the ultimate company. Get in touch and we will help you!