West Lumber and Building Supply is a 4th generation, family-owned and operated, building materials distributor based out of Upper Darby, Pennsylvania. We've served the Philadelphia area for over 50 years, and provide personalized customer service that you simply won't find in larger building materials suppliers. Areas we specialize in include: -Lumber and millwork -Structural framing -Interior finishing materials -Sustainable/green building products Regardless of whether you're a contractor, or a DIY homeowner, West Supply will partner with you to make your project a success.