Keystone Block

Keystone Concrete Block and Supply Company, Inc., a name synonymous with quality and reliability in the construction industry, has been serving the needs of builders and homeowners in Northeastern Pennsylvania since 1926. Founded by Joseph Galdieri in Scranton, the company continues to be owned and operated by the third generation of his family, a testament to its enduring commitment and legacy.

Our Products and Services

At Keystone Concrete Block, we take pride in offering a comprehensive range of products designed to meet all your construction and hardscaping needs. Our core offerings include general construction building blocks, the exclusive manufacture of Versa-Lok retaining wall systems for Eastern Pennsylvania, and a diverse selection of masonry supplies, manufactured stone veneers, concrete pavers, and an array of masonry accessories.

Whether you are constructing a new home, renovating an existing structure, or embarking on a landscape enhancement project, our product lines provide the essential building blocks for success. From foundational elements to decorative accents, we empower our customers with the tools to bring their visions to life.

Distributing Excellence

Our three strategically located manufacturing facilities in Scranton, Honesdale, and Towanda, Pennsylvania, allow us to efficiently serve a wide geographic region. We extend our reach to Pennsylvania, New Jersey, Connecticut, and New York, including Long Island, ensuring that our high-quality products are accessible to a broad customer base.

Our commitment to customer satisfaction is unwavering. Each of our locations houses a knowledgeable and experienced team dedicated to providing personalized service and expert guidance. We understand that every project is unique, and we strive to understand your specific requirements, providing tailored solutions and ensuring that you have the right products to achieve your desired outcome.