# NAICS 212321: Construction Sand and Gravel Mining

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [212321 Construction Sand and Gravel Mining](https://bidrover.com/naics/212321)

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel.

- NAICS code: 212321
- Title: Construction Sand and Gravel Mining
- Sector: 21 Mining, Quarrying, and Oil and Gas Extraction
- Subsector: 212 Mining (except Oil and Gas)
- Industry group: 2123 Nonmetallic Mineral Mining and Quarrying
- NAICS industry: 21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
- SBA size standard: 500 employees
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 212321?

NAICS 212321 is "Construction Sand and Gravel Mining" in the 2022 North American Industry Classification System, in sector 21 (Mining, Quarrying, and Oil and Gas Extraction). This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel.

### What is the SBA size standard for NAICS 212321?

A business is small under NAICS 212321 at or below 500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 212321?

No open bid in BidRover cites NAICS 212321 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 212321 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

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- [212323 Kaolin, Clay, and Ceramic and Refractory Minerals Mining](https://bidrover.com/naics/212323)
- [212311 Dimension Stone Mining and Quarrying](https://bidrover.com/naics/212311)
- [212312 Crushed and Broken Limestone Mining and Quarrying](https://bidrover.com/naics/212312)
- [212313 Crushed and Broken Granite Mining and Quarrying](https://bidrover.com/naics/212313)
- [212319 Other Crushed and Broken Stone Mining and Quarrying](https://bidrover.com/naics/212319)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.