This Subcontract opportunity from Department Of Defense was posted on July 9, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Utilities and Underground Infrastructure

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Federal

Submission Closed07/23/2026, 11:00:00 AM EDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 237110

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26350 Lynchburg, VA - CSO 70 Sewer Improvements

Solicitation # 2027-027

Cleary Construction is soliciting quotations from certified Disadvantaged Business Enterprises (DBEs) for the City of Lynchburg CSO 70 Sewer Improvements project in Virginia, solicitation number 2027-027. This opportunity is open to various small business set-asides, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified firms. Interested parties must submit their responses by December 4, 2026. The scope of work involves comprehensive sewer infrastructure improvements, including the open cut installation of PVC pipes ranging from 6 to 30 inches and DIP pipes of 18 and 24 inches. Key technical requirements include the installation of 24-inch diameter DIP sewer trenchless crossings with associated launch and receiving shafts, the construction of standard and doghouse manholes, and a CSO regulator fit out. Additional site requirements encompass the clearing and grubbing of 5,130 square yards of wooded areas, the removal of approximately 30 select trees, and the implementation of SWPPP and geotechnical instrumentation and monitoring. Specialized requirements include the procurement of railroad insurance and the management of maintenance of flows and bypass.

Cleary Construction, Inc.

POSTED

DEADLINE

Wellhead Treatment Improvement PS102A

Solicitation # wellhead-treatment-improvement-ps102a

The Wellhead Treatment Improvement PS102A project, identified by contract number 12700259, is a solicitation issued by the City of Fresno and managed by W.M. Lyles Co. Located in Fresno, California, the project falls under NAICS code 237110, focusing on water and sewer line construction. Interested parties must submit their responses by the deadline of November 17, 2026. This opportunity is specifically set aside for various small business categories, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, as well as SAM.gov designated Small Disadvantaged Businesses. Primary coordination for this solicitation is handled by Scott Fults, who serves as the point of contact for bidding inquiries.

POSTED

DEADLINE

Machado Wastewater Treatment Facility (WWTF) Upgrade and Expansion

Solicitation # machado-wastewater-treatment-facility-wwtf-upgrade-expansion

The Machado Wastewater Treatment Facility Upgrade and Expansion project involves the modernization of an existing facility in California. The primary scope of work is to replace the current pond-based process with a membrane bioreactor system. A critical requirement of the contract is the maintenance of continuous treatment operations throughout the construction, commissioning, testing, and final acceptance phases. This solicitation is issued by Specialty Construction, Inc. and is set aside specifically for small businesses under NAICS code 237110. Interested parties must submit their responses by the deadline of December 4, 2026. Primary points of contact for the bidding process are Tom Seidel and Sheri Shambli.

Specialty Construction, Inc.

POSTED

DEADLINE

IEUA Regional Water Recycling Plant No. 5(RP5) Offsite Facilities and Butterfield Lift Station

Solicitation # ieua-regional-water-recycling-plant-no-5rp5-offsite-facilities-butterfield-lift-station

The IEUA Regional Water Recycling Plant No. 5 (RP5) Offsite Facilities and Butterfield Lift Station project involves the provision of all materials, labor, tools, equipment, and transportation necessary to install, commission, and deliver a fully functional infrastructure system in Chino, California. The scope of work is centered on four major components: the Butterfield Dual Force Main, the Mountain Avenue Lift Station, the RP-2 Lift Station, and the Butterfield Lift Station. Key technical deliverables include AC paving, piping and fittings, jack and bore operations, welding, demolition, potholing, and the implementation of Storm Water Pollution Prevention Plans (SWPPP). Managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, this solicitation is specifically targeting certified HUBZone Small Business, Disadvantaged Business Enterprise (DBE), MBE, SBE, WBE, SBRA, and LSAF partners. The project falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of November 19, 2026, at 2:00 PM. Primary points of contact for this effort are Destiny Plummer and Nathan Plummer.

Norstar Plumbing and Engineering, Inc

POSTED

DEADLINE

Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Contract K-27-2470-DBB-3-C

Solicitation # K-27-2470-DBB-3-C

Flatiron Dragados Constructors, Inc. has issued an Invitation to Bid for the Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, for the City of San Diego. This CASRF and EPA funded project seeks quotes from subcontractors and suppliers for various scopes of work, including electrical, paving, pipe supply, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Qualified bidders must possess a valid California contractor license and be registered with the California Department of Industrial Relations per Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement and requires compliance with specific insurance standards. Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with bond premium reimbursements available up to 3 percent. Bids must remain valid for 120 days and should be submitted via email or fax to the primary point of contact, Veronica Garcia.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Machado WWTF Upgrade and Expansion

Solicitation # machado-wwtf-upgrade-expansion

The Machado WWTF Upgrade and Expansion project, managed by the San Miguel Community Service District under contract EJCDC C-111, involves infrastructure improvements located in San Miguel, San Luis Obispo, California. This solicitation is being handled by Cushman Contracting Corporation and falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of November 20, 2026. The project is open for bidding, with Melia Raj serving as the primary point of contact for inquiries.

Cushman Contracting Corporation

POSTED

DEADLINE

NTUA - Tuba City WWTP Improvements (NTUA-2026), Tuba City, AZ

Solicitation # ntua-tuba-city-wwtp-improvements-ntua-2026-tuba-city-az

GSE Construction Co., Inc. is soliciting quotes from subcontractors and suppliers for the NTUA Tuba City WWTP Improvements project in Tuba City, Arizona. The scope of work is extensive, encompassing the construction of headworks, an influent pump station, aeration basins, blower and dewatering buildings, UV disinfection, and an administration building. Additionally, the project requires electrical and SCADA systems, yard piping, and general sitework. This solicitation is specifically set aside for SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by November 24, 2026. Primary inquiries and submissions should be directed to Michael Demissie at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

Solicitation # bozeman-water-reclamation-facility-phase-1-improvements

Prospect Construction, Inc. is seeking pricing for the Bozeman Water Reclamation Facility Phase 1 Improvements project located in Montana. The solicitation covers a wide range of construction scopes, including aggregate, electrical, paving, concrete, landscape and seeding, construction survey, testing and inspection, traffic control, metal fabrications, industrial coatings, and rough carpentry. Bidders must adhere to AIS, Montana CGR, and Prevailing or Davis Bacon Wage requirements. This opportunity is designated as an SBA set-aside, specifically encouraging participation from Small Businesses, Veteran-Owned, Service-Disabled Veteran-Owned, Women-Owned, and HUBZone Small Businesses. Prospect Construction, Inc. emphasizes its commitment to equal opportunity and is open to contracting with groups of SBEs and DBEs for larger scopes of work. Interested parties must submit their pricing by the deadline of November 19, 2026.

PROSPECT CONTSTRUCTION, INC.

POSTED

DEADLINE

MWWTP Secondary Reactors Rehabilitation, Phase 2

Solicitation # mwwtp-secondary-reactors-rehabilitation-phase-2-0

The MWWTP Secondary Reactors Rehabilitation, Phase 2 project, identified by contract number SD-462, involves rehabilitation work located in Oakland, Alameda, California. The project is owned by the East Bay Municipal Utility District and is being managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. This solicitation is specifically set aside for Small Businesses, including SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 18, 2026. Inquiries regarding the project should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Pump Station 2 Improvements and Modernization

Solicitation # pump-station-2-improvements-modernization

Filanc is seeking quotes for the Pump Station 2 Improvements and Modernization project located in California. The scope of work is extensive, covering demolition, rebar, metals, roofing, coatings, insulation, process equipment, piping, valves, pipe supports, HVAC, electrical, and instrumentation. This solicitation is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by the deadline of December 10, 2026. The primary point of contact for this opportunity is Dan Phelan. The project falls under multiple NAICS codes, primarily 237110, reflecting the diverse construction and technical requirements of the modernization efforts.

POSTED

DEADLINE

Long Prairie MN Water Treatment Plant Rehab

Solicitation # long-prairie-mn-water-treatment-plant-rehab

CC Steel LLC is soliciting bids from subcontractors and material suppliers for the Long Prairie MN Water Treatment Plant Rehab project located in Minnesota. This comprehensive rehabilitation effort spans numerous construction divisions, including concrete, metals, rough carpentry, thermal and moisture protection, openings, and interior finishes. The scope also encompasses specialized installations such as flexible horizontal lifeline fall protection, fiberglass reinforced plastic enclosures, plumbing, HVAC dehumidifiers, and general electrical work including motors and starters. Additional requirements include exterior improvements for roads, walks, and curbs, as well as complex process interconnections involving water valves, piping, gauges, and instrumentation. The project specifically requires chemical feed, chlorination, fluoridation, and corrosion inhibitor feed systems, along with filter media and gravel. This solicitation is set aside for various small business categories, including VOSB, SDVOSB, WOSB, and HUBZone certified firms, with responses due by November 16, 2026.

POSTED

DEADLINE

Chiquola and Clatworthy Subbasing Sewer Rehab Ph. 3- Town of Honea Path, SC

Solicitation # chiquola-clatworthy-subbasing-sewer-rehab-ph-3-town-honea-path-sc

North American Pipeline Management, LLC is seeking Disadvantaged Business Enterprise subcontractors for the Chiquola and Clatworthy Subbasin Sewer Rehab Phase 3 project located in Honea Path, South Carolina. The project involves a variety of specialized scopes, including trucking and hauling, traffic control, clearing and grubbing, CCTV services, manhole rehabilitation, CIPP, surveying, and erosion control. The bid deadline for this solicitation is November 24, 2026, at 2 PM, with a response deadline for interested parties set for November 19, 2026. This opportunity is specifically set aside for certified entities such as SBA Women-Owned Small Businesses, SAM.gov Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Contract documents and plans are available for review through the primary point of contact, Bryce Yarbrough.

North American Pipeline Management, LLC

POSTED

about 3 hours ago

DEADLINE

in 4 days

AI Contract Overview

The contract is for the installation of underground utilities including storm drainage, sanitary sewer, water supply, and electrical conduits as part of a larger site development effort. It is classified as a subcontract under a Total Small Business Set-Aside, meaning only small businesses as defined by the SBA are eligible to bid, and the North American Industry Classification System code 237110 identifies it as related to heavy and civil engineering construction. The work is being procured by the Department of Defense through its W074 Endist Savannah office, though the specific location of performance is not detailed in the provided data. Bids must be submitted by the deadline of July 23, 2026, and the opportunity was posted on June 9, 2026, with all submissions and communications to be handled through the official SAM.gov portal.