North American Industry Classification System (NAICS) code 327310 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
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.
- Official title
- Cement Manufacturing
- Code level
- 6
- Parent industry
- Cement Manufacturing 32731
- Open opportunities
- 0 open · 8 active
SBA small-business size standard
1,000 employees
Employee-count basis
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing.
Manufacturing lime--are classified in Industry 327410, Lime Manufacturing;
Manufacturing ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing; and
Mining or quarrying limestone--are classified in U.S. Industry 212312, Crushed and Broken Limestone Mining and Quarrying;
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.