# NAICS 237990: Other Heavy and Civil Engineering Construction

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [237990 Other Heavy and Civil Engineering Construction](https://bidrover.com/naics/237990)

This industry comprises establishments primarily engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs.

- NAICS code: 237990
- Title: Other Heavy and Civil Engineering Construction
- Sector: 23 Construction
- Subsector: 237 Heavy and Civil Engineering Construction
- Industry group: 2379 Other Heavy and Civil Engineering Construction
- SBA size standard: $45 million average annual receipts
- Open bids on BidRover: 7
- Updated: Oct 23, 2026

## Open bids (7)

- [Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements](https://bidrover.com/bids/construction-of-the-recharge-master-plan-update-rmpu-basin-improvements-project--cb2d0afd-f026-4ec3-a1ed-0c75798481e6) — Construction & facilities · California, United States · due 2026-11-05
- [ARWA Carrizo System Expansion: Well Drilling](https://bidrover.com/bids/arwa-carrizo-system-expansion-well-drilling--1f03776d-21a1-4fa4-8e1f-4a97ab6b7e52) — Construction & facilities · Texas, United States · due 2026-11-03
- [Site Compliance and Improvements - Patton Landing](https://bidrover.com/bids/site-compliance-and-improvements-patton-landing--1fb32eb2-c7ef-40b2-9d55-d2a5ad0b4c02) — Construction & facilities · California, United States · due 2026-11-10
- [RESERVE BASIN MAINTENANCE DREDGING CONTRACT FOR SITES AT THE PHILDELPHIA NAVY YARD IN THE PUBLIC WORKS DEPARTMENT PENNSYLVANIA AREA OF RESPONSIBILIY](https://bidrover.com/bids/reserve-basin-maintenance-dredging-contract-for-sites-at-the-phildelphia-navy-ya--7eacfde3-37e4-4c93-a71e-22e71a238b01) — General procurement · Pennsylvania, United States · due 2027-01-15
- [ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE](https://bidrover.com/bids/alta-riverview-and-kings-canyon-high-well-drilling-phase--febda468-c54b-45e8-8d61-e9e6583b5b3a) — Construction & facilities · California, United States · due 2026-11-10
- [Calcasieu Bar River Channel, Pascagoula Harbor, and Panama City Harbor Maintenance Dredging](https://bidrover.com/bids/calcasieu-bar-river-channel-pascagoula-harbor-and-panama-city-harbor-maintenance--7b5d3c7c-3e4b-43f8-92f5-3270f0dbb2c2) — General procurement · United States · due 2027-03-31
- [Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements](https://bidrover.com/bids/construction-of-the-recharge-master-plan-update-rmpu-basin-improvements-project--da29f434-58e2-4ea4-8441-786a7760cb0f) — Construction & facilities · California, United States · due 2026-11-05

## Frequently asked questions

### What is NAICS code 237990?

NAICS 237990 is "Other Heavy and Civil Engineering Construction" in the 2022 North American Industry Classification System, in sector 23 (Construction). This industry comprises establishments primarily engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs.

### What is the SBA size standard for NAICS 237990?

A business is small under NAICS 237990 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 237990?

BidRover counts 7 open bids that cite NAICS 237990 as of Oct 23, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 237990 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

- [237110 Water and Sewer Line and Related Structures Construction](https://bidrover.com/naics/237110)
- [237120 Oil and Gas Pipeline and Related Structures Construction](https://bidrover.com/naics/237120)
- [237130 Power and Communication Line and Related Structures Construction](https://bidrover.com/naics/237130)
- [237310 Highway, Street, and Bridge Construction](https://bidrover.com/naics/237310)
- [238910 Site Preparation Contractors](https://bidrover.com/naics/238910)
- [541990 All Other Professional, Scientific, and Technical Services](https://bidrover.com/naics/541990)

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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.