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Combined Systems, Inc. (CSI)

UEI: SLED_3A5471D00BB7F120

Combined Systems, Inc. (CSI) is a federal contractor, registered under UEI SLED_3A5471D00BB7F120. It has been awarded $13,812,268 across 1 federal contract. Primary work spans Unknown NAICS. Top awarding agencies include Commander.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_3A5471D00BB7F120

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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Total Awards

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Contracts

Prime · all time

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Award Analytics & Distribution

Awards by Agency

Commander$13.8M100%

Awards by NAICS

- Unknown NAICS$13.8M100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in Combined Systems, Inc. (CSI)'s top NAICS codes and agencies

5.56mm Counter-small Unmanned Aircraft System (C-sUAS) Ammunition

Solicitation # M67854-26-I-5206

The U.S. Department of Defense, through the Commander’s office in Quantico, Virginia, is issuing a Request for Information (RFI) to gather market data on 5.56mm counter-small Unmanned Aircraft System (C-sUAS) ammunition. This effort is purely for planning and informational purposes and does not constitute a solicitation for proposals, nor does it obligate the government to make any purchase or award a contract. Respondents are advised that no costs incurred in submitting information will be reimbursed, and no payment entitlements arise from participation. Submissions are not offers under the Federal Acquisition Regulation and cannot form a binding agreement. The government retains full discretion to accept, reject, or disregard any response without recourse. The RFI is open for responses until September 11, 2026, and is classified under NAICS code 332992 with no set-aside provisions. Primary contact for inquiries is Janice Harvey, with Anthony G. Fennell as secondary point of contact.

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Traffic Control and SignageThe contract is for the installation and maintenance of temporary traffic control zones, signage, and lane closures in support of construction activities at Quantico, Virginia, with a zip code of 22134. This subcontract is set aside exclusively for SBA-certified Women-Owned Small Businesses under the WOSB Program, ensuring eligibility and participation by businesses meeting specific ownership and control criteria. The NAICS code 561990 categorizes the work under Other Support Activities, indicating specialized services related to traffic management and safety infrastructure. The solicitation was posted on August 4, 2026, with a response deadline of August 20, 2026, at 2:00 PM, and is managed by the Department of Defense under the Commander entity. The place of performance is strictly limited to the Quantico location, and all work must comply with federal regulations governing temporary traffic control during construction operations.

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Surveying and Layout ServicesThe contract seeks qualified vendors to provide surveying and layout services for a Department of Defense project located in Quantico, Virginia, with a focus on establishing site control points, executing grading layouts, and performing as-built verification using GPS and total station equipment. The work requires precise geospatial data collection and documentation to ensure alignment with engineering designs and construction standards, with deliverables that support accurate project execution and compliance. The solicitation is designated as a subcontract under the SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside, meaning only businesses certified under the WOSB Program are eligible to respond. The North American Industry Classification System code is 541370, indicating specialized engineering surveying and mapping services. Responses must be submitted by August 20, 2026, at 2:00 PM, with the opportunity announced on August 4, 2026, and all work expected to be performed at the Quantico site with ZIP code 22134.

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Environmental Compliance and MonitoringThe contract is for environmental compliance and monitoring services related to stormwater management, erosion control inspections, and regulatory reporting during construction activities. It is a subcontract awarded under the SBA Certified Women-Owned Small Business Program Set-Aside, specifically reserved for entities certified under the WOSB program, and falls under the NAICS code 541620 for environmental consulting services. The work will be performed at Quantico, Virginia, with a response deadline of August 20, 2026, and the opportunity was posted on August 4, 2026. The contracting agency is the Department of Defense under the Commander, and the services required are critical to ensuring adherence to environmental regulations throughout the construction phase. All activities must align with federal and local environmental standards, and the contractor is expected to provide thorough documentation and reporting to maintain regulatory compliance.

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Structural Steel Fabrication and ErectionThe contract is for the fabrication and on-site assembly of structural steel members, including beams, columns, and connections, under a subcontract set aside exclusively for SBA-certified Women-Owned Small Businesses through the WOSB Program. The work is classified under NAICS code 332312 and is required to be performed at Quantico, Virginia, with a zip code of 22134. The solicitation was posted on August 4, 2026, and responses are due by August 20, 2026, at 2:00 PM Eastern Time. The contracting agency is the Department of Defense under the Commander, indicating a federal defense-related project requiring compliance with military construction or facility standards. All activities must be completed by a qualified WOSB firm, ensuring adherence to small business set-aside regulations and performance requirements specified for defense-related steelwork.

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Paving and Asphalt WorkThe contract seeks qualified contractors to perform asphalt or concrete paving work for roads, parking lots, and accessways, encompassing full base preparation and striping services. It is issued as a subcontract under the SBA Certified Women-Owned Small Business Program Set-Aside, exclusively available to businesses certified as Women-Owned Small Businesses, and is classified under NAICS code 237310 for Highway, Street, and Bridge Construction. The opportunity was posted on August 4, 2026, with responses required by August 20, 2026, at 2:00 PM Eastern Time, and the performance location is designated as Quantico, Virginia, with a zip code of 22134. The contracting agency is the Department of Defense under the Commander, though specific office and contact details are not provided. All work must comply with federal standards for pavement installation and surface marking, and bidders must demonstrate capacity for complete project execution from grading and base laying to final striping.

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Earthwork and Site GradingThe contract titled Earthwork and Site Grading is a subcontract set aside exclusively for SBA Certified Women-Owned Small Businesses under the WOSB Program, as defined by FAR 19.15, and is coded under NAICS 237990. It encompasses all earthwork activities required to prepare a construction site, including excavation, cut and fill operations, grading, and compaction. The work is specifically designated for performance at Quantico, Virginia, with a zip code of 22134, and the solicitation was posted on August 4, 2026. Interested parties have until August 20, 2026, at 2:00 PM to submit their responses. The contracting entity is the Department of Defense, with the Commander designated as the responsible organization, though no further point of contact or office address details are provided. The opportunity is accessible through the SAM.gov platform for bidding and submission.

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Concrete Forming and PouringThe contract is for concrete forming and pouring services, covering the installation of formwork, placement of reinforcement, and casting of concrete for foundations, slabs, walls, and other structural elements at a location in Quantico, Virginia, with a zip code of 22134. This is a subcontract under the SBA Certified Women-Owned Small Business Program Set-Aside, meaning only businesses certified as Women-Owned Small Businesses are eligible to bid. The North American Industry Classification System code is 238110, which classifies the work as concrete work contractors. The opportunity was posted on August 4, 2026, with a deadline for responses on August 20, 2026, at 2:00 PM. The contracting agency is the Department of Defense under the Commander, and the contract is not tied to a specific solicitation number. All work must be performed at the designated place of performance in Quantico.

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Plumbing and Piping SystemsThe contract titled Plumbing and Piping Systems seeks a subcontractor to install sanitary, potable water, and drainage piping systems along with associated fixtures and venting infrastructure. The work is designated as a subcontract under the SBA Certified Women-Owned Small Business Program Set-Aside, exclusively available to businesses certified as Women-Owned Small Businesses. The NAICS code 238220 applies, indicating the work falls under plumbing, heating, and air-conditioning contractors. The project is to be performed at Quantico, Virginia, with a zip code of 22134, and the solicitation was posted on August 4, 2026. Interested vendors must submit their responses by the deadline of August 20, 2026, at 2:00 PM. The contracting activity is under the Commander, Department of Defense, though specific office address and point of contact details are not provided. The opportunity is accessible through the SAM.gov portal for further details and submission.

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Ready-Mix Concrete SupplyThe contract is for the supply of ready-mix concrete to a project site located in Quantico, Virginia, with a zip code of 22134. It is structured as a subcontract under the SBA Certified Women-Owned Small Business Program Set-Aside, exclusively available to businesses certified under the WOSB program. The NAICS code 327320 confirms the work involves the manufacturing of concrete products. The solicitation was posted on August 4, 2026, with a response deadline of August 20, 2026, and is managed by the Department of Defense through the Commander office. The contractor is expected to coordinate scheduling with project timelines and provide comprehensive quality control documentation to ensure compliance with technical and safety specifications. Delivery must be timed to support on-site construction activities, and all materials must meet the required standards for strength, durability, and consistency as defined by the project’s engineering requirements.

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Electrical Installation and WiringThe contract titled Electrical Installation and Wiring pertains to the installation of comprehensive electrical systems for commercial or infrastructure projects under a subcontract arrangement. It specifically requires the provision and installation of conduits, wiring, electrical panels, and lighting fixtures, with work to be performed at a designated location in Quantico, Virginia, zip code 22134. This opportunity is set aside exclusively for SBA Certified Women-Owned Small Businesses under the WOSB Program, ensuring eligibility is restricted to businesses that meet the federal criteria for women-owned small business status. The North American Industry Classification System code for this contract is 238210, which classifies it under Electrical Contractors and Other Wiring Installation Contractors. The solicitation was posted on August 4, 2026, and all responses are due by August 20, 2026, at 2:00 PM Eastern Time. The contracting activity is linked to the Department of Defense under the Commander office, indicating this work supports federal defense infrastructure needs.

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Floating Pier and Gangway Structural Maintenance

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System Alterations (SYSALTS) and Engineering Support

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Mechanical Repair of Material Handling Equipment (MHE) and Cranes

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Coating and Corrosion Protection Services

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Electrical and Hydraulic Systems Maintenance

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Steel Fabrication and Hull Repair for Navy Lighterage Systems

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UID Marking and Data Submission Services

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in about 1 month