Stewart Companies


From the smallest backyard patio to the city’s tallest building, the start of any construction project relies on top-quality building materials.


Our materials manufacturing businesses provide critical resources for construction projects across the eastern USA and Western Colorado. They manufacture sand & gravel, crushed stone, asphalt, concrete block, ready-mix concrete, hardscapes, metal roofing and siding systems, and colored mortars.

A full-service ready-mix concrete company serving Western Colorado.
Chesapeake Minerals uses select grades of quartz gravel supplied by York Building Products Co.
A full-service ready-mix concrete company serving southeast Pennsylvania and the Delmarva Peninsula.
Manufactures concrete pavers & slabs, retaining wall units and outdoor living kits.
A leading manufacturer of metal roofing and siding shingle pa
Providing sand and gravel to the construction industry throughout Western Colorado.
Manufactures colored cements for masonry in a variety of formulations and over 60 colors.
Manufactures concrete masonry products, retaining wall block, sand & gravel and crushed stone.
Produces asphalt products through four plants, conveniently serving York and Adams counties in Pennsylvania.