Interstate Building Materials, Inc., founded in 1938, has established itself as a stalwart in the Energy, Manufacturing, and Real Estate industries. With a solid foundation built by Joseph Pupa Sr., the company has developed a reputable brand servicing builders, contractors, architects, and homeowners for over 76 years.
Specializing as a manufacturer of Vinyl & CompositWood Windows and Patio Doors, Interstate boasts products that carry the Energy Star and National Fenestration Rating Council labels for top-notch energy efficiency. Additionally, they wholesale premium branded building materials, with exclusive rights to distribute Wellborn Kitchen and Bath Cabinetry.
With over three generations of leadership now, currently spearheaded by Joseph Pupa III, the company prides itself on its enduring values and robust customer service. Headquartered in the United States, Interstate has resisted acquisition offers, instead choosing to reinvest in its growth and infrastructure—a testament to its resilience and commitment to quality.