Texas Contec, Inc.
- Produces autoclaved aerated concrete [AAC] products. Includes technical specifications and product information.
- http://www.texascontec.com/

Thakeham Tiles Ltd
- Manufacture concrete building blocks and decorative flagstones. Selection of products, gallery and contact details.
- http://www.thakeham.co.uk/

Kelley Blocks
- Retaining wall system. Description, applications, specifications, pictures and contact info.
- http://www.kelleyblocks.com/

Hanson Paver Products
- Supplier of interlocking concrete paving bricks, paving stones and concrete pavers for residential and commercial construction. Products, photo gallery and contact pages.
- http://www.pavermodule.com/

Hi-Way Concrete Products Co Inc
- Products include cement blocks and fireplace stock. Site includes profile, product selection, faq and contact details.
- http://www.hiwayconcrete.com/

Tech Block International
- Manufacturers of wall construction units. Photo gallery, FAQ, environmental data, installation manuals, specifications and contact details.
- http://www.techblock.com

Air Vol Block, Inc.
- Manufacturer of masonry products. Concrete product selection, rebar, about the company and contact pages.
- http://www.airvolblock.com/

Roofclad
- Supplier of G.R.P product. Product information, user instructions and contact pages.
- http://www.roofclad.com/

Roofblock
- Product information, user instructions and contact pages.
- http://www.roofblock.co.uk/

Arriscraft International
- Manufacturer and developer of stone, brick and marble. Architectural and residential products, gallery, technical data, educational information and courses. Also a CADD and SPEC library.
- http://www.arriscraft.com/

Unilock
- Pavers and retaining walls. Design ideas, product selector, installation guides and videos and dealers.
- http://www.unilock.com/

Western Block Co.
- Concrete blocks supplied in many shapes and colors. Also a supplier of glass blocks. Company profile, catalog and gallery.
- http://www.westernblock.com/

Coronado Stone Products
- Precast stone, brick and tiles. Product library including images and specifications, drawings, brochures, CSI specification form and contact details.
- http://www.coronado.com/

New Holland Concrete
- Manufacturer of Concrete products. Product selector, specifications for all products, about the company and contact details.
- http://www.newhollandconcrete.com/

Trenwyth Industries, Inc.
- Manufacture of architectural masonry units. Site includes products, specifications, guides, detailing, technical info and contact details
- http://www.trenwyth.com/

Anchor Block Company
- Manufacturers of concrete blocks, autoclave-cured decorative masonry units, pavers, and retaining walls. Product and dealer selectors and contact details.
- http://www.anchorblock.com/