Green Building Services, Inc. (GBS) is a professional consulting firm dedicated to enhancing the well being of our communities and the environment.  GBS is comprised of architects, engineers, interior designers and construction specialists who share a passion for sustainability and a desire to effect positive change. Our consultants actively guide clients to identify and implement green building, development and facility management strategies.  Headquartered in Portland, Oregon, GBS is nationally recognized for its achievements in supporting green building projects and applying the U.S. Green Building Council’s (USGBC) LEED Rating System.