OUR COMPANIES The Stewart Companies handle the entire range of construction-related services, from the production of raw and finished aggregate products to land development and all aspects of horizontal and vertical construction. APPLE AUTOMOTIVE Central Pennsylvania's leading auto group, with nearly 20 locations throughout the region. APPLE OUTDOOR A full-service billboard company, with coverage in York and Adams counties in Pennsylvania; and Carroll, Harford, Cecil and Kent counties in Maryland. APPLE RETAIL PROPERTIES Focused on the acquisition, development, repositioning and management of upscale community and neighborhood shopping centers in Pennsylvania, Maryland, Virginia and North Carolina. CASEY CONCRETE A full-service ready-mix concrete company serving Western Colorado. CHESAPEAKE MINERALS Chesapeake Minerals uses select grades of quartz gravel supplied by York Building Products Co. HERITAGE CONCRETE A full-service ready-mix concrete company serving southeast Pennsylvania and the Delmarva Peninsula. LEWIS CONTRACTORS Lewis Contractors has an unsurpassed reputation for excellence in institutional construction and historic preservation. NEWLINE HARDSCAPES Manufactures concrete pavers & slabs, retaining wall units and outdoor living kits. PRINCIPIO™ METAL SYSTEMS A leading manufacturer of metal roofing and siding shingle pa RILEY WELDING & FABRICATING A custom welding and fabricating company based in Hanover, Pennsylvania. STEWART & TATE A full service construction firm that specializes in general building construction, site development and specialized industrial construction. STEWART PROPERTIES A real estate development and investment company specializing in land, commercial/industrial, flex, distribution and warehousing properties. WESTERN SLOPE MATERIALS Providing sand and gravel to the construction industry throughout Western Colorado. WORKRITE® CEMENTS Manufactures colored cements for masonry in a variety of formulations and over 60 colors. YORK AVIATION Located in York County in South Central Pennsylvania, York Aviation offers a variety of services and events to both pilots and members of the community alike. YORK BUILDING PRODUCTS Manufactures concrete masonry products, retaining wall block, sand & gravel and crushed stone. YORK MATERIALS GROUP Produces asphalt products through four plants, conveniently serving York and Adams counties in Pennsylvania.