HGS Engineering Inc provides comprehensive environmental engineering support to the federal government, state and local governments, and private industry.

COWI is a leading consulting group that creates value for customers, people and society through their unique 360° approach. With offices all around the world, COWI combines global presence with local knowledge to take on projects anywhere in the world. COWI is involved in more than 10,000 projects. In Norway, there are approximately 1300 employees. Together with their customers, COWI creates coherence in tomorrow’s sustainable societies.