Exterior Doors

For over three decades Certified has established a reputation as Central PA’s Leading Window, Siding and Door Distributor. A reputation built on a solid foundation of quality products, product expertise, dependable delivery, competitive pricing, and a dedication to serving our customers. Certified prides itself on being Central PA’s premier source for windows, siding, entry and garage doors.

Full-service general contractor serving Centre, Blair, Huntingdon and Mifflin counties. Specializing in remodeling, especially for kitchens and bathrooms. 47 years experience. Expert advice and design