The Puget Sound Business Travel Association (PSBTA) is the collective voice of business travel management in Western Washington. We provide a forum for the constructive exchange of information, education, and ideas among members. We are dedicated to enhancing the educational and professional advancement of the travel industry and our members. Our Membership... PSBTA members include 175 Washington business leaders who are responsible for supplying and purchasing travel related services. The annual travel expenditure of these companies exceeds $1.5 billion dollars. Direct members procure or manage business travel services for their corporation. Allied members provide travel services or products to direct members.