Tom - with all respect, those are not the definitions given in my QS-9000 Third Edition.
Subcontractor - Subcontractors are defined as providers of production materials, or production or service parts, directly to a supplier to C, F GM or other customers subscribing to this [QS] document.
Supplier - Suppliers are defined as providers of: a0 production materials, b) production or service parts, or c) heat treating, plating, painting or other finishing services, directly (underline is theirs, not mine) to C, F GM or other customers subscribing to this [QS] document.
Dave