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 Materials Bureau at (406) 444-5407 or 444-6300 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, Material Type, or any combination thereof. Use the Material Category to filter the Material List. The first element in each of the lists is a blank line, which can be used to clear the field.