We are a material and labor subcontractor in Missouri. The majority of our materials are pre-engineered building systems (specially fabricated materials). In some instances, our customers (general contractors or end-use owners) hire us to provide materials only because of our ability to procure and clarify products correctly. We are acting as a reseller but the product is pre-engineered buildings. In Missouri, does the manufacturer of the pre-engineered buildings have lien rights since these are specially fabricated materials (even though the products are filtered through a reseller)?