NAICS codes / 212321
NAICS 212321: Construction Sand and Gravel Mining — open federal opportunities
4 open notices on SAM.gov. Top buyers: DEPT OF DEFENSE (2), AGRICULTURE, DEPARTMENT OF (2).
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Aggregate Stone Material - Fort Riley, Kansas
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 19, 2026
Champion Creek Pit Rock Crushing Supply
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 16, 2026
Champion Creek Pit Rock Crushing Supply
AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Combined Synopsis/Solicitation · posted Oct 16, 2026
Aggregate Stone Material - Fort Riley, Kansas
DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 15, 2026
Related NAICS codes (industry group 2123)
- 212312 Crushed and Broken Limestone Mining and Quarrying (2 open)
How NAICS codes decide small business size: NAICS codes for small business · notice types explained · set-asides