Please note: This is a Sole Source Notification.. The State intends to make a noncompetitive purchase from the following vendor: Tourism Economics / Oxford Economics, 303 W. Lancaster Ave., Suite 2E, Wayne, PA 19087.. The State believes Tourism Economics is the company that meets all requirements listed above. The State has had past, satisfactory contracts with Tourism Economics and believes this award will have optimal integration with the Tourism Satellite Account research also contracted to this vendor. Tourism Economics has preferred vendor status with the U.S. Travel Association and has demonstrated success in providing more than 100 tourism economic impact studies for cities, states, regions and countries.