E. Dillon & Company
Manufacturer of the Premier Line™ of architectural concrete masonry in reflective, gound, split and matte finishes. Our Reflective Series features highly reflective units, unlike any others on the market, available in 24 standard colors. Our Majestic™ (cored w-back) oversize units allow design in a larger scale without added weight and expense.
Featherlite Building Products Corp.
is the largest concrete masonry producer in the Southwest. Featherlite’s customer masonry units, burnished masonry and Hill Country Stone combine to create diverse, durable and economical masonry construction.
National Concrete Masonry Association 
NCMA offers a broad range of technical services and design aids for professionals involved with concrete masonry projects, including: Energy code options for concrete masonry units. Live technical support. Tech notes. Fire and acoustic calculators. Technical details. Directories of certified professionals. Green building resources. Hundreds of publications highlighting correct and efficient design.
New Holland Concrete 
Manufacturer of architectural masonry in split, ground, matte & weathered finishes. Shapes from brick to oversize, including architectural sills & lintels. Insulated, acoustical, and Ultralite® units also available. All shapes & finishes available in our EcoBlox™ recycled-content product for your LEED®-certified projects. AIA/CES certified trainer, color samples, brochures, NCMA e-TEK and other planning aids available.
Northfield Bend - an Oldcastle company
The standard of comparison since 1949, Northfield-Bend. We are the largest manufacturer of architectural masonry products & BELGARD Hardscapes nationwide. Quality manufactured products, finishes and colors for all your design needs from masonry walls to pavers and retaining walls. And now our products are available in new recycled materials.
RPG Diffusor Systems
DiffusorBlox® offers unprecedented economy and flexibility by making it possible to incorporate complete acoustical performance into the structural walls of arenas, gymnasia, natatoria, cafeteria, music rehearsal and performance, lecture, multipurpose and outdoor facilities. DiffusorBlox® simultaneously offers a distinctive appearance, extended low frequency absorption, sound isolation with exceptional transmission index, and advanced sound diffusive reflection control.
York Building Products Company
Manufacturing architectural masonry in standard and oversized units. Choose from many colors in four different finishes, standard and special shapes. Use our matching mortars produced for architectural units. Achieve LEED® credits with recycled masonry, thermal mass masonry, acoustical block, regional materials and more. Reinforced block and segmental retaining wall systems provide superior strength in design.
See also:
04 0510 - Masonry Mortar, Admixtures and Color Additives
04 0520 - Masonry Anchorage and Reinforcement
04 0530 - Masonry Flashing and Accessories
04 0570 - Masonry Insulation Systems
04 2010 - Architectural Masonry Units - glazed and burnished
32 1420 - Concrete Pavers
32 3200 - Retaining Walls
E. Dillon & Company
Manufacturer of the Premier Line™ of architectural concrete masonry in reflective, gound, split and matte finishes. Our Reflective Series features highly reflective units, unlike any others on the market, available in 24 standard colors. Our Majestic™ (cored w-back) oversize units allow design in a larger scale without added weight and expense.
Featherlite Building Products Corp.
is the largest concrete masonry producer in the Southwest. Featherlite’s customer masonry units, burnished masonry and Hill Country Stone combine to create diverse, durable and economical masonry construction.
New Holland Concrete
Manufacturer of architectural masonry in split, ground, matte & weathered finishes. Shapes from brick to oversize, including architectural sills & lintels. Insulated, acoustical, and Ultralite® units also available. All shapes & finishes available in our EcoBlox™ recycled-content product for your LEED®-certified projects. AIA/CES certified trainer, color samples, brochures, NCMA e-TEK and other planning aids available.
Northfield Bend - an Oldcastle company
The standard of comparison since 1949, Northfield-Bend. We are the largest manufacturer of architectural masonry products & BELGARD Hardscapes nationwide. Quality manufactured products, finishes and colors for all your design needs from masonry walls to pavers and retaining walls. And now our products are available in new recycled materials.
RPG Diffusor Systems
DiffusorBlox® offers unprecedented economy and flexibility by making it possible to incorporate complete acoustical performance into the structural walls of arenas, gymnasia, natatoria, cafeteria, music rehearsal and performance, lecture, multipurpose and outdoor facilities. DiffusorBlox® simultaneously offers a distinctive appearance, extended low frequency absorption, sound isolation with exceptional transmission index, and advanced sound diffusive reflection control.
York Building Products Company
Manufacturing architectural masonry in standard and oversized units. Choose from many colors in four different finishes, standard and special shapes. Use our matching mortars produced for architectural units. Achieve LEED® credits with recycled masonry, thermal mass masonry, acoustical block, regional materials and more. Reinforced block and segmental retaining wall systems provide superior strength in design.
National Concrete Masonry Association
NCMA offers a broad range of technical services and design aids for professionals involved with concrete masonry projects, including: Energy code options for concrete masonry units. Live technical support. Tech notes. Fire and acoustic calculators. Technical details. Directories of certified professionals. Green building resources. Hundreds of publications highlighting correct and efficient design.