This Subcontract opportunity from California was posted on August 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Concrete Contractor (Structures & Flatwork)

Closed

State & Local

Submission Closed09/09/2026, 12:00:00 AM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 238110

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26_1119 – Robbinsdale-MN

Solicitation # 261119-robbinsdale-mn

Caldwell Tanks, Inc. is seeking subcontractors for a water tank construction project located in Robbinsdale, Minnesota. The solicitation covers several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. Interested bidders must adhere to specific Disadvantaged Business Enterprise goals, with target participation rates set at 3.5 percent for Minority Business Enterprises and 5.0 percent for Women Business Enterprises. The response deadline for this opportunity is November 17, 2026.

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DEADLINE

Elbon Tank #2, Schedule 2- Elevated Tank Project

Solicitation # elbon-tank-2-schedule-2-elevated-tank-project

Caldwell Tanks, Inc. is seeking subcontractors for the Elbon Tank #2, Schedule 2 Elevated Tank Project located in Phillip, South Dakota. The project involves several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. This solicitation is specifically set aside for small businesses, including SAM.gov designated Small Disadvantaged Businesses and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 13, 2026. Primary coordination for this opportunity is managed by Eric Koetter.

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Concrete Structures (Culvert/Abutments)This subcontract for the Town of Bolton in Massachusetts involves the installation of structural concrete components for bridge projects located on Main Street. The scope of work includes formwork installation, rebar placement, and the pouring of concrete specifically for abutments, wingwalls, and culvert bases and slabs. The selected contractor will be responsible for utilizing concrete forms and reinforcing steel to deliver completed bridge supports and concrete culvert structures for the prime contractor. The opportunity is categorized under NAICS code 238110 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of December 17, 2026.

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DEADLINE

Concrete and Reinforced Concrete WorksThis subcontract for Concrete and Reinforced Concrete Works involves the supply and installation of Plain Cement Concrete and Reinforced Cement Concrete for prime contractors supporting UNESCO projects in Afghanistan. The scope of work includes the pouring and finishing of concrete, the installation of reinforcement bars, and the placement of boulders for foundations and stabilization, all performed in accordance with technical specifications and engineering drawings. The primary objective is the delivery of completed concrete foundations and reinforced structural elements. This project falls under NAICS code 238110 and is managed by UNESCO, with all performance of work taking place within Afghanistan.

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PV Mounting Structures and Civil WorksThis subcontract involves the supply and installation of metal support structures and concrete bases for hybrid off-grid solar projects managed by the UNHCR in Farchana, Chad. The scope of work includes the fabrication and installation of stainless steel mounting structures, as well as the casting of reinforced concrete bases or the execution of roof-fixing, to ensure a securely anchored system for PV modules. The contractor is responsible for ensuring that all structures are wind-resistant and meet all provided technical specifications. This project falls under NAICS code 238110 and is designed to support prime contractors in delivering critical energy infrastructure within the region.

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Concrete and Masonry ContractorThis subcontract involves providing specialized concrete and masonry services for UNHCR facility projects located in Adré, Chad. The scope of work focuses on the execution of reinforced concrete and block work, specifically including the pouring of lean concrete for footings, the installation of reinforced concrete for isolated footings and ground beams, and the construction of sub-foundation walls utilizing 20x20x40 full concrete blocks. The contractor is responsible for delivering completed structural foundations and masonry walls in strict accordance with Chadian national standards and international building rules of art. Operating under NAICS code 238110, the selected provider will work as a subcontractor to prime contractors to ensure all structural elements meet the required technical specifications for the agency's facilities.

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Foundation & Drilled Shaft ConstructionThis subcontract for Foundation and Drilled Shaft Construction involves providing specialized installation services for prime contractors operating on Central Florida Tourism Oversight District projects. The scope of work includes the complete process of drilling, installing steel reinforcement, and pouring concrete for signal foundations, ensuring all deliverables meet strict FDOT specifications. The project requires the use of professional drilling rigs and the delivery of fully completed and cured drilled shaft foundations. Interested parties should note that the response deadline for this opportunity is December 7, 2026.

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POSTED

DEADLINE

Concrete Barrier and Transition InstallationThis subcontract involves the installation of concrete barriers and transitions for prime contractors on Caltrans highway projects located in San Diego County. The scope of work includes the installation of 92-foot and 56-foot Type 60M concrete barriers, 12-inch concrete barrier transitions, and concrete ditch lining, all of which must comply with 2026 Standard Plans A76A and A76G. The contractor is responsible for delivering the fully completed and installed concrete barrier system. The project falls under NAICS code 238110 and requires strict adherence to Build America Buy America standards. Interested parties must submit their responses by November 23, 2026, for this California Department of Transportation initiative.

California Department of Transportation

POSTED

DEADLINE

Concrete Footing InstallationThis subcontract for Concrete Footing Installation involves supplying and placing concrete for prime contractors working on Chicago Public Schools facility projects. The scope of work specifically focuses on pouring concrete foundations for ornamental fence posts, ensuring that all footings meet specified depths and strengths while maintaining proper curing and alignment of the post bases. The project is categorized under NAICS code 238110 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of November 24, 2026. All deliverables must strictly adhere to the project specifications provided by the agency.

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Concrete and Masonry RepairThis subcontract agreement involves providing concrete and masonry repair services for prime contractors working on Texas Health and Human Services Commission facility projects. The scope of work specifically includes filling holes in concrete floors and removing broken brick to fill voids with concrete to ensure the delivery of fully repaired surfaces. The project is categorized under NAICS code 238110 and requires all personnel to undergo Texas DPS criminal and sex offender background checks. Interested parties should note the response deadline of December 1, 2026, for this state-level agency requirement.

Health and Human Services Commission

POSTED

DEADLINE

Headwall Removal and Concrete ReplacementThis subcontract for the Hall County Board of Commissioners involves the demolition of existing concrete structures and the construction of new stormwater headwalls. The scope of work includes the removal of old headwalls, necessary excavation, and the forming and pouring of three new concrete headwalls, specifically two for 72-inch pipes and one for a 24-inch pipe. The contractor is responsible for providing all required excavators and concrete forming equipment to complete the installation. The project is categorized under NAICS code 238110 and was posted on November 6, 2026, with a response deadline of December 3, 2026. The selected subcontractor will work under prime contractors to deliver the completed headwall installations within Georgia.

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POSTED

DEADLINE

Concrete Repair & PavingThis subcontract, titled Concrete Repair and Paving, involves performing specialized concrete repairs and roadway pavement installation for prime contractors on US Army facility projects located in Greenville, Kentucky. The scope of work includes repairing concrete for dispenser and offload fueling islands, as well as the installation of concrete circulation pavement and splash blocks. All work must be executed in strict accordance with UFGS 03 30 00 and UFGS 32 13 13.06 standards. The project is managed by the Bristol Alliance of Companies through their Golden Colorado office and falls under NAICS code 238110. Interested parties should note that the response deadline for this opportunity is December 22, 2026.

Bristol Alliance of Companies

POSTED

3 days ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract opportunity for the California Department of Transportation involves the supply and installation of various concrete elements for prime contractors on infrastructure projects. The scope of work includes the installation of lean concrete bases, concrete pavement, Type G retaining walls, concrete structures, and curbs and sidewalks utilizing professional forming and scoring tools. The project is categorized under NAICS code 238110 and requires Environmental Product Declarations from any plants providing 250 or more cubic yards of material. Interested parties must submit their responses by the deadline of September 9, 2026, following the posting date of August 3, 2026.

General Info

Caltrans subcontract for concrete installation and supply; responses due by September 9, 2026.

Agency

California Department of Transportation

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 06-1E9104.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

HMA, RHMA, imported borrow, clearing & grubbing, and lighting system.

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 3

subcontract

Response DeadlineSep 9

Deadline has passed

Submission Closed

09/09/2026, 12:00:00 AM PDT

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Organization & Contact Information

AgencyCalifornia Department of Transportation

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia Department of Transportation

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies and installs concrete elements for prime contractors on Caltrans infrastructure projects. Installs lean concrete bases, concrete pavement, Type G retaining walls, concrete structures, and curbs/sidewalks using forming and scoring tools. Requires EPDs for plants providing 250+ cubic yards. Delivers installed concrete structures, curbs, and pavements.