McCoy’s Building Supply is a privately held building materials retailer headquartered in San Marcos, Texas, and was founded in 1927. Its operations focus on providing lumber, hardware, construction materials, and farm and ranch supplies to builders, contractors, and individual consumers. Founded by F. R. McCoy, the company has remained family-owned, with leadership passing through multiple generations. Over time, McCoy’s expanded from a small roofing-focused business into a broader building supply operation serving customers across several states. The company has implemented technological changes in recent years, including the introduction of robotics in select retail operations to assist with inventory monitoring. McCoy’s maintains a strong regional presence across Texas, Oklahoma, and New Mexico, with its headquarters and corporate functions based in San Marcos. The business continues to operate as a multigenerational enterprise, supported by a network of retail locations and distribution activity.