Abstract: The truss-supported tool transport apparatus is comprised of a truss-supported tool box and an adapter. The truss-supported tool box has cleat extending from the bottom that are configured to fit over trusses in an attic. The truss-supported tool box includes fasteners on the surface that hold tools securely and compactly which is ideal for working in confined spaces. The truss-supported tool box can be mated with the adapter for working in confined spaces other than attics.