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MOSARK LLC

UEI: JMZCLV4CWY98CAGE: 8KNW0

MOSARK LLC is a federal contractor, registered under UEI JMZCLV4CWY98 and CAGE code 8KNW0. It has been awarded $2,189,272 in federal contracts. Primary work spans Power and Communication Line and Related Structures Construction. Top awarding agencies include Department Of Energy.

Contact Information

Registration and classification details

Registration

UEI Code

JMZCLV4CWY98

CAGE Code

8KNW0

Entity Structure

Partnership or Limited Liability Partnership

Established

N/A

Business Classifications

For Profit OrganizationLimited Liability Company

NAICS Codes

237130Power and Communication Line and Related Structures Construction(Primary)
237990Other Heavy and Civil Engineering Construction
238220Plumbing, Heating, and Air-Conditioning Contractors

Federal Contracting Overview

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

AI Capability Profile

MOSARK LLC operates as a specialized contractor in infrastructure construction and maintenance, with demonstrated experience in the 237130 NAICS category, which encompasses utility system construction including electrical, water, and sewer infrastructure. While specific project details are not avail...

MOSARK LLC operates as a specialized contractor in infrastructure construction and maintenance, with demonstrated experience in the 237130 NAICS category, which encompasses utility system construction including electrical, water, and sewer infrastructure. While specific project details are not available, the focus on this NAICS code suggests technical proficiency in designing, installing, and rehabilitating critical public works systems, likely involving civil engineering principles, utility coordination, and compliance with federal construction standards. The company’s work implies hands-on expertise in trenching, pipeline laying, conduit installation, and adherence to OSHA and EPA regulations for underground utility projects. No agency relationships can be confirmed based on available contract data, and there is no evidence of direct engagement with federal departments or independent agencies. As a result, patterns of client interaction or mission-specific support cannot be characterized. The primary industry focus is on utility and infrastructure construction, aligning with the 237130 NAICS code for utility system construction. This positions MOSARK LLC within the broader federal and state-funded civil works market, where precision in subsurface utility mapping, material specification, and project sequencing are essential. The company’s market positioning appears to center on execution of physical infrastructure assets rather than IT or service-based solutions. MOSARK LLC is structured as a small business under the 2K entity classification, indicating it is likely owned and operated as a privately held firm with limited scale. The company is headquartered in Raton, New Mexico, suggesting regional operational presence in the Southwest, potentially serving rural or remote infrastructure needs. No government certifications are listed, and there is no indication of small business program participation such as 8(a), HUBZone, or WOSB status. The absence of award history limits visibility into past performance, though the NAICS classification confirms a technical focus on physical utility construction.

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: 237130
New
SLED
Traffic Signal Synchronization Project Along Hamner Ave And Archibald Ave
Solicitation # 26-119CIP
The City of Eastvale, California, is soliciting bids for the Traffic Signal Synchronization Project Along Hamner Avenue and Archibald Avenue under solicitation number 26-119CIP. The project involves the installation of traffic signal controllers, field ethernet switches, fiber optic trunk and breakout cables, and conflict monitor units, as well as the implementation of hybrid detection systems. The scope includes significant infrastructure work such as installing PVC conduits, pull boxes, and performing pavement restoration. All work must be completed within 50 working days from the commencement date and must adhere to the standards of the County of Riverside, Caltrans, and the Americans with Disabilities Act. The contract will be awarded to the apparent low bidder based on the total bid price, including the base bid and specific alternates. To be eligible, the prime contractor must hold a current California Class A General Engineering Contractor license. Required submission documents include a signed bid form, bid security, a statement of qualifications, and a non-collusion declaration, all submitted via the PlanetBids portal. The selected contractor will be required to provide construction performance, labor and material payment, and warranty bonds. Payment will be administered on a lump sum basis according to an approved schedule of values, with final payment contingent upon the submission of project record drawings and the execution of a release of claims.
City of Eastvale

POSTED

about 22 hours ago

DEADLINE

in 15 days
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NAICS: 237130
New
Federal
CSSC Utility Feed Transformer Replacement
Solicitation # W912P627SSA001
The U.S. Army Corps of Engineers, Chicago District, is conducting market research via Sources Sought Notice W912P627SSA001 to identify qualified small business contractors for the turnkey removal and replacement of two utility feed transformers at the Chicago Sanitary and Ship Canal Fish Dispersal Barrier facility in Lockport, Illinois. The project involves the removal and disposal of two existing 4,000/5,000 kVA transformers and the installation, testing, and commissioning of two new operational replacements. The contractor will be responsible for all labor, materials, equipment, rigging, and supervision, while existing concrete pads, cabling, and switchgear will be reused. The estimated magnitude of construction is between 500,000 and 1,000,000 dollars, with an estimated project schedule of 365 calendar days. Interested firms must demonstrate technical capabilities in medium-voltage electrical work, including pre-energization electrical acceptance testing in accordance with NETA ATS and IEEE C57 standards. Key requirements include the ability to supply biobased dielectric insulating fluid and steel enclosures with recovered materials, as well as strict adherence to USACE EM 385-1-1 and NFPA 70E safety standards. Applicants must provide their small business status under NAICS code 237130, proof of bonding capacity, and up to three relevant project examples from the last five years. Responses, which should not include price quotes, are due by November 5, 2026, and must be submitted using the provided response template.
W072 Endist Chicago

POSTED

1 day ago

DEADLINE

in 8 days
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NAICS: 237130
New
SLED
Wood Pole Inspection, Treatment, Repair, and UAV Inspection Services
Solicitation # 2026-RFP-0272
Solicitation 2026-RFP-0272 is a request for proposals from the City of Pasadena Water and Power Department to provide comprehensive wood pole inspection, treatment, repair, and UAV inspection services for its electric distribution system. The scope of work involves the maintenance and documentation of approximately 11,000 wood poles to ensure system reliability and compliance with CPUC General Orders 95 and 165. Key deliverables include georeferenced UAV reports, the identification of structural defects, and specific maintenance tasks such as the installation of trusses, guy guards, and pole tags. The contract is designed for an initial four-year term with two optional one-year extensions. Proposers must submit separate technical and price proposals via the City's eProcurement Portal by November 5, 2026. Evaluation is based on a points-based scoring system focusing on technical competence, safety practices, and experience, with specific 5-point preferences available for certified California small/micro-businesses or local Pasadena businesses. Mandatory requirements include FAA Part 107 certification for UAV operations, submission of Form AA-1 and AA-2, and a detailed quality assurance plan. Additionally, the contract prohibits the use of City data for training AI or machine learning models and requires strict adherence to ADA accessibility and prevailing wage laws.
Water & Power Department, Power Delivery

POSTED

2 days ago

DEADLINE

in 8 days
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NAICS: 237130
New
SLED
2026-28 Electric Infrastructure Reconducts
Solicitation # 2026-28
The City of Covington, Georgia, is soliciting proposals under RFP #2026-28 for the reconduct of three-phase overhead utility lines across three separate projects. The scope of work includes Project 1 at Cornish Creek Newtonsboro Road, Project 2 at Elm and Reynold Streets, and Project 3 involving Eagle and Goldar General locations. The selected contractor will provide all labor, equipment, and coordination for the installation of poles, crossarms, conductors, and hardware, while the City will supply all materials. All work must be completed by May 31, 2027, and must adhere to first-quality workmanship and standard utility practices. Proposals must be submitted in sealed envelopes, including one USB drive copy, to the Covington Utility Complex by 10:00am on November 24, 2026. A mandatory pre-proposal meeting is scheduled for November 9, 2026. Submission requirements include a 5% bid bond, a non-collusion affidavit, and verification of compliance with the Illegal Immigration Reform and Enforcement Act of 2011. The awarded contractor must provide payment and performance bonds for 100% of the contract amount within ten days of notification and maintain comprehensive general liability, automobile liability, and worker's compensation insurance with limits of at least $1,000,000. Evaluation will be based on experience, personnel certifications, project approach, cost reasonableness, safety records, and references.
City of Covington

POSTED

2 days ago

DEADLINE

in 27 days
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NAICS: 237130
New
SLED
Solar Streetlight Project – Phase 3
Solicitation # 8385
The Solar Streetlight Project – Phase 3 (C.I.P. No. 8385) is a solicitation by the City of Vista, California, for the receiving, storing, transporting, and installation of 125 solar streetlights. The scope of work includes the installation of galvanized steel and concrete light poles, solar modules, power centers, batteries, and luminaires. Comprehensive tasks involve excavation, concrete placement, pole erection, and the repair of any work-related damage to sidewalks, curbs, and utilities. The contractor is responsible for all labor, materials, and equipment, including hoisting and rental gear, traffic and parking control, public notifications, and the implementation of erosion and stormwater protection measures. All work must adhere to ADA standards for curb ramps and sidewalks and be performed during specified working hours, with lane closures restricted to 8:30 AM to 3:30 PM, Monday through Friday. The contract will be awarded to the lowest responsible bidder based on the total amount of Base Bid Items. To be eligible, bidders must possess the required licensure, provide proof of DIR registration per Section 1725.5 of the California Labor Code, and submit bids electronically via the OpenGov Procurement portal by November 25, 2026. Local business entities, as well as certified veteran-owned or disabled veteran business enterprises, may be eligible for specific preferences. Awarded contractors must provide performance and payment bonds, as well as workers' compensation insurance, within ten working days of the Notice of Intent to Award. Payment is processed via progress payments within 30 calendar days of receipt of a valid invoice, contingent upon the submission of certified payroll records and lien releases. Construction must commence within ten working days of the Notice to Proceed, with punchlist items to be completed within twenty working days of issuance.
City of Vista

POSTED

2 days ago

DEADLINE

in 28 days
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NAICS: 541330
New
“BLANKET MASTER AGREEMENT (BMA) FOR
Solicitation # 393273
Hanford Tank Waste Operations & Closure, LLC (H2C) is soliciting proposals for a Blanket Master Agreement (BMA) to provide vadose drilling services at the Hanford Tank Farms. This Time and Materials (T&M) subcontract supports Prime Contract 89303324DEM000096 with the U.S. Department of Energy. The opportunity is open to all business size companies, with award based on the Lowest Price Technically Acceptable (LPTA) proposal. The contract includes a base period with four optional extension years running through September 30, 2031. To be considered for award, offerors must meet strict qualification standards, including ten years of corporate experience in Direct Push soil displacement method drilling, borehole geophysical logging, and soil sampling. Requirements include the ability to comply with WAC 173-160 well drilling standards, the capacity to furnish and decontaminate all necessary equipment, and maintaining a mechanical shop and warehouse within 75 miles of the Hanford Site. Proposals must be submitted in two volumes: a Technical Proposal containing a work plan, quality assurance program, and key personnel resumes, and a Business and Price Proposal featuring a detailed hourly rate breakdown. Compliance requirements are extensive, including mandatory SAM registration, E-Verify enrollment, and adherence to the Service Contract Act and the Buy American Act. Offerors must provide an Organizational Conflict of Interest certification, a documented ESH&Q program, and proof of insurability, including three years of Experience Modification Rate (EMR) data and OSHA 300 logs. For non-small businesses, a Small Business Subcontracting Plan is required if the proposed amount exceeds 900,000 dollars. Payment is generally issued within 30 calendar days of receiving a proper invoice.
Department Of Energy

POSTED

2 days ago

DEADLINE

in about 2 months
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NAICS: 237130
New
SLED
ON-CALL FIBER OPTIC INSTALLATION, FUSION SPLICING, TERMINATION, TESTING AND RELATED SERVICES
Solicitation # 26-032
The City of Carson is soliciting proposals under RFP #26-032 for qualified telecommunications firms to provide on-call fiber optic installation, fusion splicing, termination, testing, and related services for its municipal fiber optic network. The scope includes working on both new and existing infrastructure, with specific requirements for pulling cable and performing industry-standard testing, including power meter and bi-directional OTDR (1310/1550 nm). The City may award a single or multiple contracts with an anticipated term of five years. Performance standards are strict, requiring emergency onsite arrival within two hours and the start of splice work within four hours, while all test results and documentation must be submitted within two business days of assignment completion. Proposals must be submitted electronically via PlanetBids by November 12, 2026, at 2:00 PM PT. The evaluation process consists of a mandatory written proposal review, followed by optional interviews for high-ranking firms, with the award based on the best overall value in accordance with Carson Municipal Code. Selected contractors must adhere to a minimum local hiring requirement of 30 percent for employees and subcontractors. Financial security requirements include performance and payment bonds totaling 100 percent of the total compensation. Additionally, contractors must provide a detailed safety plan for any trench excavations five feet or deeper on projects exceeding 25,000 dollars and comply with all prevailing wage and insurance requirements.
City of Carson

POSTED

2 days ago

DEADLINE

in 15 days
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