This document provides details of a federal contract opportunity issued by the General Services Administration. The GSA is issuing solicitation number QMAD-CY-090001-B, refresh 18, effective April 26, 2017 to replace refresh 17. This is a multiple award IDIQ contract under GSA's Multiple Award Schedule program for travel services solutions. The period of performance is five years from date of award with three five-year option periods. Products and services covered under schedule 599 include travel consultation, travel management center services, lodging services and management, specialized conference facilities, air charter services for owner-operated and broker services, introduction of new related products and services, and contract support items. Current contract holders under schedule 599 do not need to reapply.