# NAICS 237120: Oil and Gas Pipeline and Related Structures Construction

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [237120 Oil and Gas Pipeline and Related Structures Construction](https://bidrover.com/naics/237120)

This industry comprises establishments primarily engaged in the construction of oil and gas lines, mains, refineries, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to oil and gas pipeline and related structures construction.

- NAICS code: 237120
- Title: Oil and Gas Pipeline and Related Structures Construction
- Sector: 23 Construction
- Subsector: 237 Heavy and Civil Engineering Construction
- Industry group: 2371 Utility System Construction
- SBA size standard: $45 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 237120?

NAICS 237120 is "Oil and Gas Pipeline and Related Structures Construction" in the 2022 North American Industry Classification System, in sector 23 (Construction). This industry comprises establishments primarily engaged in the construction of oil and gas lines, mains, refineries, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to oil and gas pipeline and related structures construction.

### What is the SBA size standard for NAICS 237120?

A business is small under NAICS 237120 at or below $45 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 237120?

No open bid in BidRover cites NAICS 237120 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 237120 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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- [213112 Support Activities for Oil and Gas Operations](https://bidrover.com/naics/213112)
- [541990 All Other Professional, Scientific, and Technical Services](https://bidrover.com/naics/541990)
- [811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance](https://bidrover.com/naics/811310)
- [336611 Ship Building and Repairing](https://bidrover.com/naics/336611)
- [237110 Water and Sewer Line and Related Structures Construction](https://bidrover.com/naics/237110)
- [237130 Power and Communication Line and Related Structures Construction](https://bidrover.com/naics/237130)

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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.