# NAICS 213112: Support Activities for Oil and Gas Operations

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [213112 Support Activities for Oil and Gas Operations](https://bidrover.com/naics/213112)

This U.S. industry comprises establishments primarily engaged in performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities).

- NAICS code: 213112
- Title: Support Activities for Oil and Gas Operations
- Sector: 21 Mining, Quarrying, and Oil and Gas Extraction
- Subsector: 213 Support Activities for Mining
- Industry group: 2131 Support Activities for Mining
- NAICS industry: 21311 Support Activities for Mining
- SBA size standard: $47 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 213112?

NAICS 213112 is "Support Activities for Oil and Gas Operations" 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 performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities).

### What is the SBA size standard for NAICS 213112?

A business is small under NAICS 213112 at or below $47 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 213112?

No open bid in BidRover cites NAICS 213112 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 213112 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

- [213111 Drilling Oil and Gas Wells](https://bidrover.com/naics/213111)
- [541360 Geophysical Surveying and Mapping Services](https://bidrover.com/naics/541360)
- [237120 Oil and Gas Pipeline and Related Structures Construction](https://bidrover.com/naics/237120)
- [541990 All Other Professional, Scientific, and Technical Services](https://bidrover.com/naics/541990)
- [238910 Site Preparation Contractors](https://bidrover.com/naics/238910)
- [811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance](https://bidrover.com/naics/811310)
- [531390 Other Activities Related to Real Estate](https://bidrover.com/naics/531390)
- [213113 Support Activities for Coal Mining](https://bidrover.com/naics/213113)

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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.