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CARSTENSEN CONTRACTING INC

UEI: VK9ECEET4GG5CAGE: 6WDA0

CARSTENSEN CONTRACTING INC is a federal contractor, registered under UEI VK9ECEET4GG5 and CAGE code 6WDA0. It has been awarded $72,863,610 in federal contracts. Primary work spans Water and Sewer Line and Related Structures Construction. Top awarding agencies include Department Of The Interior.

Contact Information

Registration and classification details

Registration

UEI Code

VK9ECEET4GG5

CAGE Code

6WDA0

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationSubchapter S Corporation

NAICS Codes

237110Water and Sewer Line and Related Structures Construction(Primary)
237990Other Heavy and Civil Engineering Construction
238110Poured Concrete Foundation and Structure Contractors
238910Site Preparation Contractors

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Carstensen Contracting Inc. specializes in civil infrastructure construction, with core capabilities centered on heavy and civil engineering projects under NAICS 237110. The firm delivers site preparation, earthwork, grading, drainage systems, and roadway construction services, leveraging precision ...

Carstensen Contracting Inc. specializes in civil infrastructure construction, with core capabilities centered on heavy and civil engineering projects under NAICS 237110. The firm delivers site preparation, earthwork, grading, drainage systems, and roadway construction services, leveraging precision earthmoving equipment and project management methodologies tailored to public works requirements. Their technical expertise includes compliance with DOT standards, stormwater management systems, erosion control protocols, and utility coordination during large-scale earthwork operations. Key differentiators include field-proven proficiency in rural and remote site execution, adaptive scheduling under variable weather conditions, and a focus on safety-first operational discipline. While no specific award history is available to detail project scope, the company’s primary NAICS classification indicates sustained engagement in public infrastructure development requiring robust field engineering and regulatory adherence. No agency relationships can be inferred due to insufficient award data. The absence of recent contract records prevents identification of federal, state, or local agency partnerships or recurring project types. The company’s industry focus is narrowly aligned with heavy and civil engineering construction, which encompasses the building of highways, bridges, dams, water and wastewater systems, and other public works infrastructure. Their market positioning is rooted in execution of physically demanding, logistically complex projects requiring heavy machinery, surveying precision, and coordination with public works departments. Carstensen Contracting Inc. is a small, locally based entity structured as a 2L (small business), headquartered in Dell Rapids, South Dakota. The company holds no federal certifications and operates primarily within the regional construction market, serving infrastructure needs across the Upper Midwest with a hands-on, field-oriented operational model.

Key Performance Metrics

Awards Count

1

All time

Active

1

Currently performing

Completed

0

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
Awards by NAICS
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 237110
New
Morgans Branch Force Main and Pump Station Improvements
Solicitation # SRP-W-134-0290
The Morgans Branch Force Main and Pump Station Improvements project for the City of Belmont, North Carolina, involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and extensive upgrades to the Morgans Branch Pumping Station. The scope of work includes installing a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. Additional deliverables include the installation of new gravity sewers and manholes, a generator, odor control equipment, stormwater facilities, and site fencing. The project has an estimated value of $16,690,000 and is set aside for small businesses, including certified veteran-owned, service-disabled veteran-owned, women-owned, and HUBZone small businesses. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with evaluation based on qualifications, financial ability, and strict adherence to bidding documents, including the submission of MWBE Good Faith Efforts forms. The agreement is governed by EJCDC standard forms, requiring performance and payment bonds and proof of insurance. Performance begins upon a Notice to Proceed, and payment is processed monthly via applications for payment submitted to the Engineer, with payments due 30 days after presentation to the owner. Final acceptance is contingent upon a joint inspection by the Owner, Contractor, and Engineer, the completion of a punch list, and the Engineer's written recommendation for final payment.
Don Moorhead Construction, Inc.

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NAICS: 237110
New
Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA
Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-ca
Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 project located in Oakland, California, for the East Bay Municipal Utility District. The comprehensive scope of work involves the rehabilitation of covered and open concrete structures, the relining, modification, or replacement of steel and ductile iron pipes and supports, and the installation or replacement of valves and piping appurtenances. Additional requirements include the operation of a temporary 11 MGD pumped bypass, rehabilitation of reactor mixers and aerators, improvements to electrical and instrumentation systems, replacement of motor control center components, modifications to sluice and slide gates, installation of access platforms, rerouting of sump pump discharge lines, excavation, trench work, and surveying. This solicitation is set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. All subcontractors are required to utilize union labor and must be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, with bond rates provided at the time of the bid for reimbursement. Quotes are due by November 17, 2026, at 2:00 PM PT, with the general bid date following on November 18, 2026. Contracting will be based on Garney Standard Purchase Order and Subcontract documents, and any exceptions must be submitted as redlines with the quote.
Garney Pacific, Inc.

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in 20 days
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NAICS: 237110
New
IEUA RP-5 Offsite Facilities Project No. EN19001.03 and Butterfield Lift Station Improvements Project No. EN26054
Solicitation # EN19001.03 / EN26054
Filanc is soliciting quotes for the IEUA RP-5 Offsite Facilities (Project No. EN19001.03) and Butterfield Lift Station Improvements (Project No. EN26054) located in Chino and Chino Hills, California. The scope of work involves significant wastewater infrastructure improvements, including the installation of approximately 6,200 linear feet of 14 to 16-inch diameter HDPE DR 11 pipelines for the Butterfield Dual Force Main. Additionally, the project requires modifications to the RP-2 Lift Station to accommodate Prado Basin flows, which includes replacing existing pumps with smaller units and constructing an elevated electrical platform to protect equipment from 100-year flood levels. Key electrical deliverables include new SCE electrical services and the installation of a standby generator. Filanc is seeking quotes across a wide range of trades, including SWPPP, survey, aggregates, demolition, fencing, paving, striping, precast concrete, rebar, masonry, metals, coatings, signage, process equipment, pre-engineered FRP enclosures, fire suppression, piping, valves, pipe supports, and E&IC. This solicitation is open to small businesses, including SDB, WOSB, HUBZone, and VOSB certifications, with a strong emphasis on equal opportunity and DBE participation. Bids and proposals are due by October 29, 2025, at 2:00 PM. Primary contact for this opportunity is Julia Masaitis.
Filanc

POSTED

44 minutes ago

DEADLINE

in about 4 hours
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