2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

327310 Cement Manufacturing

This industry comprises establishments primarily engaged in manufacturing portland, natural, masonry, pozzolanic, and other hydraulic cements. Cement manufacturing establishments may calcine earths or mine, quarry, manufacture, or purchase lime.

Cross-References. Establishments primarily engaged in--

• Mining or quarrying limestone--are classified in U.S. Industry 212312, Crushed and Broken Limestone Mining and Quarrying;
• Manufacturing lime--are classified in Industry 327410, Lime Manufacturing;
• Manufacturing ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing; and
• Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing.

2007 NAICS		2012 NAICS		2017 NAICS		Corresponding Index Entries
327310		327310		327310		Cement (e.g., hydraulic, masonry, portland, pozzolana) manufacturing
327310		327310		327310		Cement clinker manufacturing
327310		327310		327310		Natural (i.e., calcined earth) cement manufacturing