These products and producers are currently qualified with the Montana Department of Transportation. The category type lists the QPL information by the category listed in MT-601 (from the Materials Manual). Please contact the MDT Materials Bureau at (406) 444-5407 if you notice any errors or missing information.
You can choose to view the Producer/Supplier List by producer/Supplier Type; Producer/Supplier ID (type a complete or partial id); Name of Producer/Supplier (type a complete or partial name); Material, or any combination thereof. The first element in each of the lists is a blank line, which can be used to clear the field.