Water and Sewer Line and Related Structures Construction: NAICS 237110
Browse federal contract opportunities classified under NAICS code 237110 (Water and Sewer Line and Related Structures Construction). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 237110
Water and Sewer Line and Related Structures Construction. This industry falls under the Construction sector (NAICS codes beginning with 23).
Federal agencies use NAICS code 237110 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the water and sewer line and related structures 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 237110 in Federal Contracting
To compete for federal contracts under NAICS 237110, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for water and sewer line and related structures 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 237110. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 237110 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the water and sewer line and related structures construction market has seen 3,860 contract awards totaling $3.4B in value. The median contract size is $35K, with approximately 107 new awards per month.
Total Awards (3yr)
3,860
Total Value
$3.4B
Median Contract
$35K
Competitors
1,056
Contract value distribution
3,283 small business awards ($1.6B total value,$32K median)
1,056 companies compete for NAICS 237110 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 237110 (Water and Sewer Line and Related Structures 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 237110.
Recent NAICS 237110 Opportunities
View all →The Department of Defense is procuring services to repair chilled water pipes connecting building 108 to building 114 for the US Army Garrison. Key requirements include adherence to specifications and plans outlined in the attached documents.
The Department of Defense is procuring the design and implementation of a monitoring and control system for the IWCS at Tinker Air Force Base, Oklahoma. The contractor will be responsible for all materials, labor, and equipment necessary to complete the project, including site investigations and compliance with specific training requirements. Attendance at a mandatory site visit is required for proposal eligibility, with a deadline for RSVPs and subsequent RFIs.
The Department of Health and Human Services is procuring construction services for the M Hendrickx Connection to the City of Spokane Water. This project is set aside for small businesses and is associated with the Indian Health Service in Seattle. Key requirements include adherence to the Buy Indian Act and the completion of utility construction.
to Offeror(s)/Supplier(s): Funds are
The Department of Defense is procuring repair services for the stormwater drainage systems at Dobbins Air Reserve Base, specifically east of Taxiway J. The work includes all necessary repairs as detailed in the attached specifications and drawings.
The Federal Bureau of Prisons is procuring refurbishment services for the wastewater lift station at FCI Cumberland. The project includes the demolition and removal of existing equipment, installation of new systems, electrical upgrades, and staff training, all while ensuring continuous operation of the sewage system and compliance with various regulations. Quotes are due by August 13, 2026, and a site visit is scheduled for July 30, 2026.
The Department of Defense is procuring services to add and alter the City Water Pump Station, B980. Key requirements include modifications to existing water supply facilities as outlined in the solicitation documents.
The Department of Defense is procuring design and construction services for the installation of an Ion Exchange Resin System and upgrades to Base Well 4. This project is set aside for small businesses and has a performance period of 360 calendar days, with specific phases for design and construction. The estimated value of the contract is between $5,000,000 and $10,000,000.
The U.S. Army Corps of Engineers is procuring design-bid-build construction services for the renovation of three irrigation pumping stations in the Natomas region of Sacramento, California. Key requirements include the removal and installation of discharge piping, levee excavation, and various infrastructure modifications, with a completion timeline of approximately 1,095 days. The estimated project value ranges from $10,000,000 to $13,000,000, and it will require Cybersecurity Maturity Model Certification Level 1.
Frequently Asked Questions
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