Home About Us Companies Careers Safety Contact The Leader In Alaska Infrastructure Colaska is the largest and most geographical diverse gravel mining company in the state. Colaska has an extensive fleet of mobile hot mix asphalt plants. This fleet allows us to work anywhere in Alaska that is accessible by road, air or barge. Colaska Inc. is part of the Colas USA companies which, in turn, are part of the Colas Group: the worldwide leader in transportation infrastructure construction and maintenance. The Colas Group is active in the construction and maintenance of road, air, rail and maritime transport infrastructure, urban development projects and recreational facilities. With 70,000 employees throughout 1,400 business units in 40 countries on 5 continents. Colas Group carries out over 100,000 projects each year. Employment Opportunities LEARN MORE Colas Has Been Building Globally For Over 90 years Colaska’s oldest company was established 47 years ago and the group has been steadily growing every year. ABOUT US Quick Look At COLAS Home About Us Companies Careers Contact Safety Vendors © Colaska 2020 | Powered by Hype Digital Marketing