Mac Lad

Founded in 1986, Mac Lad has established itself as a trusted family-owned building material supplier serving New York, Connecticut, and beyond. Our commitment to personalized service and industry expertise has allowed us to thrive while maintaining the core principle that business success lies in valuing people. With decades of experience in drywall and finishing products, we specialize in delivering high-quality materials efficiently while ensuring they are placed exactly as customers require. Our team of dedicated professionals, including three generations of the MacAlpine family, operates from strategically located facilities to serve residential and commercial clients across the Northeast. We maintain extensive inventory of gypsum products, finishing tools, and specialty materials from leading manufacturers like National Gypsum and USG.

Our 300-square-foot showroom in Calverton, NY, features hard-to-find tools and product samples that support informed decision-making for contractors. Through consistent expansion while preserving small-business values, we've become a preferred supplier for those who demand reliability and specialized knowledge. Our warehouse operations run daily from early morning to late afternoon, ensuring timely fulfillment of orders. We differentiate ourselves through technical expertise, with staff trained to help customers select optimal products for specific applications. This combination of operational excellence and personal service has sustained our reputation as a leader in the building materials industry.