Sources: National Concrete Masonry Association, Herndon, Va.
The 2017 NCMA SRW Sales Survey of U.S. and Canadian hardscape producers indicates year-over-year segmental retaining wall shipment gains of 3 percent and 6.5 percent, respectively, for 2016 and 2015. Now in its second year, the survey reflects data from 39 SRW producers or licensors spanning 178 plant locations.
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