Global Services of Arizona, also known as GSA, is a courier and logistics company that offers a range of document routing and package delivery solutions. It provides business-to-business and location-to-location courier services. The company offers distribution solutions for large-volume mails. It also offers proofs of delivery, as well as serves the insurance, financial, travel, legal, beauty supply, optical and dental industries. Established in 1997, the company maintains a fleet of enclosed vehicles. It operates a route division that offers online order tracking services. The company additionally provides mail pickup and delivery services from post-office boxes. Global Services of Arizona offers overnight delivery, real-time communication and radio dispatching solutions.