D.A. Davidson & Co., the largest full-service investment firm based in the Northwest and a leader in investment banking and company research for the region, is a Davidson Companies subsidiary. By offering a full menu of integrated brokerage, capital markets, money management, trust and wealth management services, Davidson Companies has grown to become one of the nation s leading regional financial services holding companies. Headquartered in Montana, the parent company has a reach that stretches across 16 states. The Davidson Companies family also includes Davidson Investment Advisors, a professional money management firm; Davidson Trust, a wealth management and trust firm; Davidson Fixed Income Management, a registered investment adviser providing fixed income services; and Davidson Travel, a full-service travel agency. D.A. Davidson & Co. is located in Great Falls, Mont.