Did you know? Knelsen Sand & Gravel Ltd. is one of the largest construction companies in Northwestern Alberta. Through our commitment to excellence in product and service, we supply project management, gravel, asphalt paving, ready-mix, and precast concrete to the needs of our communities throughout Alberta. At Knelsen Sand & Gravel Ltd., we build opportunity! Our remarkable team, made up of individuals with unique talents and perspectives, work together each and every day to deliver exceptional,Knelsen Sand & Gravel Ltd.