Other Heavy and Civil Engineering Construction — NAICS 237990
Browse federal contract opportunities classified under NAICS code 237990 (Other Heavy and Civil Engineering Construction). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 237990
Other Heavy and Civil Engineering Construction. This industry falls under the Construction sector (NAICS codes beginning with 23).
Federal agencies use NAICS code 237990 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the other heavy and civil engineering construction space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 237990 in Federal Contracting
To compete for federal contracts under NAICS 237990, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for other heavy and civil engineering construction work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 237990. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 237990 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the other heavy and civil engineering construction market has seen 8,772 contract awards totaling $27.5B in value. The median contract size is $203K, with approximately 244 new awards per month.
Total Awards (3yr)
8,772
Total Value
$27.5B
Median Contract
$203K
Competitors
1,329
Contract value distribution
5,357 small business awards ($8.0B total value,$188K median)
1,329 companies compete for NAICS 237990 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 237990 (Other Heavy and Civil Engineering Construction), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 237990.
Recent NAICS 237990 Opportunities
View all →The Department of Defense is procuring maintenance dredging services for the Wilmington Harbor Anchorage Basin and Mid River Channels. The key requirements include the removal of sediment to maintain navigable depths and ensure safe passage for vessels in the harbor and channels.
The Department of Defense is procuring alterations to the stone dikes on the Middle Mississippi River as part of the Navigation and Ecosystem Sustainability Program (NESP). The project aims to enhance river navigation and ecosystem health, requiring specialized construction and engineering services.
The Department of Veterans Affairs is contracting for the renovation of roads and corrections to the Field Condition Assessment at Wood National Cemetery. Key requirements include specific construction and engineering tasks to improve the cemetery's infrastructure.
The Department of Defense is procuring design-bid-build services for the construction of a Weapons Magazine and Ordnance Operations Facility at the Naval Submarine Base New London in Groton, Connecticut. Key requirements include compliance with the specifications outlined in Amendment 0004 and applicable attachments.
The Department of Defense is procuring gravel placement services for a project at Yuba. Key requirements include the ability to handle specific quantities of gravel and adhere to environmental regulations during the placement process.
The Department of Defense is procuring construction services for Philpott Anchors and Instrumentation. The project involves the installation and construction of various components related to anchoring and instrumentation systems, requiring specialized expertise in construction and engineering.
The Department of Defense is procuring maintenance dredging services for the Kahauiki Stream at Fort Shafter Flats in Oahu, Hawaii. The project involves the removal of sediment and debris to ensure proper water flow and environmental compliance. Key requirements include adherence to environmental regulations and completion within the specified timeframe.
The procurement involves seepage remediation work in Bolivar County, Mississippi, specifically from Francis to Round Lake under Item 615-L. This opportunity is available only for subcontracting to firms holding the FY 25 MATOC for Mississippi River Levees.
The Department of Defense is procuring construction services for the P617 Transit Protection Program Facility at Naval Submarine Base Kings Bay, Georgia. The contract is a Firm-Fixed-Price arrangement, and the work includes design and construction activities necessary for the facility's establishment.
The project involves maintenance dredging at Egmont and Mullet Key Cuts in Tampa Harbor, Hillsborough County, FL. The work is required to maintain navigable waterways and ensure safe passage for vessels.
Frequently Asked Questions
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