Registry · NAICS Index · Sector 21

213114 — Support Activities for Metal Mining

NAICS 213114 is 'Support Activities for Metal Mining', a 2022 U.S. national industry under Sector 21 (Mining, Quarrying, and Oil and Gas Extraction); the SBA small-business size standard is $41,000,000 (defined under 13 CFR § 121.201).

Description

This U.S. industry comprises establishments primarily engaged in providing support activities (except geophysical surveying and mapping, site preparation, construction, and transportation activities), on a contract or fee basis, for the mining and quarrying of metallic minerals and for the extraction of metal ores. Exploration for these minerals is included in this industry. Exploration services include traditional prospecting methods, such as taking core samples and making geological observations at prospective sites (as defined in the official U.S. Census Bureau 2022 NAICS Manual).

Exclusions & Cross-References

  • Performing geophysical surveying and mapping services for metallic minerals on a contract or fee basis--
  • are classified in Industry 541360, Geophysical Surveying and Mapping Services;
  • Operating metallic mineral mines or quarries on a contract or fee basis--are classified in Industry Group
  • 2122, Metal Ore Mining, based on the type of ore mined;
  • Site preparation and related construction activities on a contract or fee basis--are classified in Industry
  • 238910, Site Preparation Contractors; and
  • Providing transportation activities on a contract or fee basis--are classified in Sector 48-49, Transportation
  • and Warehousing, based on the primary activity.

Overview Facts

NAICS Structure: 213114 National Industry
Sector (2)
21
Mining, Quarrying, and Oil and Gas Extraction
Subsector (3)
213
Support Activities for Mining
Industry Group (4)
2131
Support Activities for Mining
Industry (5)
21311
Support Activities for Mining
National Industry (6)
213114
Support Activities for Metal Mining

Legacy SIC Concordance

Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.

Suggested Product Service Codes (Advisory)

The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.

  • PSC 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment

Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)

Frequently Asked Questions (FAQ)

Is NAICS code 213114 valid in 2022? ▾

Yes, 213114 is a valid 6-digit 2022 NAICS national industry code representing 'Support Activities for Metal Mining' under Sector 21 in the official classification index.

What is the SBA size standard for NAICS code 213114? ▾

The Small Business Administration (SBA) has established a small business size standard of $41,000,000 for NAICS code 213114 (Support Activities for Metal Mining), calculated based on receipts.

What is the legacy SIC equivalent for NAICS 213114? ▾

According to official Census Bureau concordance tables, NAICS code 213114 (Support Activities for Metal Mining) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1081 - Metal Mining Services.

Related Pages & Tools

Further regulatory reference links for NAICS code 213114: