Postal Service Sources — Existing assets or supplies, equipment or services already within the Postal Service or available under a current contract should always be considered before purchasing new assets.
General Services Administration (GSA) Sources — GSA provides multiple-award schedule contracts (MASCs) through the IT Schedule 70. This schedule covers purchase, leasing, maintenance, repair services, and repair/spare parts for commercially available IT, and also covers software and related training, electronic commerce and IT-related professional services. These schedule contracts do not contain maximum order limitations and are available at https://www.gsa.gov/technology/technology-purchasing-programs/mas-information-technology, or from: