Quality Aggregates. Reliable Supply.
Keystone supplies a broad range of aggregate products supporting construction, infrastructure, and site development projects throughout the region.
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Aggregates
Aggregate Solutions for Construction and Infrastructure
Keystone aggregate products are used in ready-mixed concrete, asphalt production, drainage systems, road construction, and site development applications.
Customers rely on Keystone for high-quality materials, dependable supply, and responsive service that helps keep projects moving.

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Who We Serve
We provide consistent, uniform aggregates and superior service to customers across the construction industry, including:
- Ready-Mix Producers
- Block, Paver, and Precast Producers
- Asphalt Producers
- Site Contractors
- Utility Contractors
- Municipalities
- Commercial Developers
- Residential Contractors

Product Lineup
Featured Aggregate Solutions
Additional Products and Specifications Available
Keystone supplies a broad portfolio of aggregate products for commercial, industrial, infrastructure, and site development applications. Beyond the featured products shown above, we offer a variety of AASHTO stone, modified materials, anti-skid products, rip rap, gabion stone, fill materials, and specialty aggregates to meet specific project requirements and specifications.
Contact our team for product availability, specifications, and assistance selecting the appropriate material for your project.
Aggregates
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Service Areas
Keystone Aggregates proudly serves customers throughout the Lehigh Valley, providing dependable aggregate supply for construction, infrastructure, and site development projects.
Our service area includes:
- Allentown
- Bethlehem
- Easton
- Lehigh County
- Northampton County
- Surrounding communities throughout the Lehigh Valley region
Looking for delivery outside these areas?
Contact us to discuss your needs. 610.477.4953