Professional Builders Supply is a trusted subcontractor for custom home builders in the Triangle area and beyond. As a custom home builder you may need to enlist a professional building supply company to provide materials or services you require to complete your project. We provide materials like siding, exterior trim, doors, lumber, and more to help you turn a structure into a house and a house into a one-of-a-kind home. Whether it’s a stunning mansion, a hip complex of condos, or a single family home, we have the materials and services to make your client’s dream home a reality.