Quality. Value. Service.

Trinity Supply & Installation is a trusted wholesaler in Pittsburgh that provides professional contractors in Western Pennsylvania with a broad range of state-of-the-art interior and exterior building materials for the home remodeling, building, and municipal construction markets. For over 20 years, we’ve committed ourselves to quality, innovation, and customer relationships. It’s how we’ve built loyalty and trust among a growing number of building professionals, architects, engineers, and distributors. Contact us today at 412-331-3044 for more information on our kitchen cabinet, vinyl and wood windows, and exterior vinyl siding supply and installation solutions!