Ryder System said Thursday it had been awarded a multi-year contract by the United States Postal Service. Under the contract, Ryder will manage transportation, shipment planning and related services within the postal service's non-mail freight transportation network, the company said in a statement.Ryder said it would support both national and international postal locations and that it expected to rollout the new transportation program by November.Ryder is ranked No. 5 on the Transport Topics 100 listing of U.S. and Canadian for-hire carriers.