# NAICS 212290: Other Metal Ore Mining

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [212290 Other Metal Ore Mining](https://bidrover.com/naics/212290)

This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel, lead, and zinc ore).

- NAICS code: 212290
- Title: Other Metal Ore Mining
- Sector: 21 Mining, Quarrying, and Oil and Gas Extraction
- Subsector: 212 Mining (except Oil and Gas)
- Industry group: 2122 Metal Ore Mining
- SBA size standard: 1,250 employees
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 212290?

NAICS 212290 is "Other Metal Ore Mining" in the 2022 North American Industry Classification System, in sector 21 (Mining, Quarrying, and Oil and Gas Extraction). This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel, lead, and zinc ore).

### What is the SBA size standard for NAICS 212290?

A business is small under NAICS 212290 at or below 1,250 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 212290?

No open bid in BidRover cites NAICS 212290 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 212290 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

- [212210 Iron Ore Mining](https://bidrover.com/naics/212210)
- [212220 Gold Ore and Silver Ore Mining](https://bidrover.com/naics/212220)
- [212230 Copper, Nickel, Lead, and Zinc Mining](https://bidrover.com/naics/212230)
- [325180 Other Basic Inorganic Chemical Manufacturing](https://bidrover.com/naics/325180)
- [213114 Support Activities for Metal Mining](https://bidrover.com/naics/213114)

---

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.