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CST-Cincinnati 5757 Mariemont Avenue Cincinnati, OH 45227

UEI: SLED_2C056333CE6A8C44

CST-Cincinnati 5757 Mariemont Avenue Cincinnati, OH 45227 is a federal contractor, registered under UEI SLED_2C056333CE6A8C44. It has been awarded $961,394 across 2 federal contracts. Primary work spans Unknown NAICS. Top awarding agencies include Nswc Carderock.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_2C056333CE6A8C44

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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Prime · all time

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Award Analytics & Distribution

Awards by Agency

Nswc Carderock$961.4K100%

Awards by NAICS

- Unknown NAICS$961.4K100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in CST-Cincinnati 5757 Mariemont Avenue Cincinnati, OH 45227's top NAICS codes and agencies

Doors and Lock Installation and Drywall Repairs

Solicitation # N0016726Q0015

This solicitation, numbered N0016726Q0015, seeks commercial services for Doors and Lock Installation and Drywall Repairs under NAICS code 236220 as a total small business set-aside, with evaluations conducted on a Lowest Priced Technically Acceptable basis using Firm-Fixed Price terms and FAR Part 12 procedures. All proposals must be submitted by 2:00 PM EST on August 14, 2026, with pricing required for CLIN 0001, and offerors are instructed to review all solicitation attachments thoroughly. Prior to submission, potential bidders are required to attend a mandatory site visit on August 10, 2026, at 9:00 AM ET, with access details outlined in Amendment 0002, and are strongly encouraged to submit technical, spatial, and facility-related inquiries only after the visit to ensure accurate understanding of requirements. Questions and clarifications must be directed exclusively to the designated contracting personnel, Marlanea Kirkbride and Vanessa Rincon, via email, with the initial deadline set for July 30, 2026, at 12:00 PM EST, and a second window closing on August 11, 2026, at 4:00 PM ET following the site visit; no other government personnel may be contacted prior to award. The solicitation includes an amendment process, with Amendment 0001 providing additional inquiry guidance post-site visit, and the government reserves the right to not respond to questions submitted after the final deadline. The activity is managed by the Naval Surface Warfare Center Carderock located in Bethesda, Maryland, with performance expected at a location identified by ZIP code 23459, and all respondents must comply with federal procurement requirements for small business contracting.

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TACLANE C-175N Encryptor Training InstructionA subcontract is being issued to deliver a 10-person training class within the contiguous United States focused on the use, configuration, and maintenance of NSA-certified TACLANE C-175N encryptors specifically for SECRET-classified Unmanned Surface Vehicle data links. The training must be conducted in Bethesda, Maryland, at a location with appropriate security protocols to handle classified material, and is intended for personnel requiring hands-on proficiency with these secure communications devices. The solicitation was posted on August 4, 2026, with a response deadline of August 10, 2026, and falls under NAICS code 611430 for other computer and electronic product manufacturing support services. The contracting entity is the Naval Surface Warfare Center, Carderock Division, a branch of the Department of Defense, and the work must be performed in compliance with all applicable national security and classified information handling standards.

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Cybersecurity Compliance and CUI Handling

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FLIGHTLAB Modeling and Technical Support

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Hardware-in-the-Loop (HIL) Integration

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Flight Control System Enhancement for Propeller-Driven Rotor (PDR)

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On-Site CIVA Training & Technical Support ServicesThe contract seeks to deliver comprehensive training and technical support for the CIVA 2025 software to personnel at NSWCCD, with services provided either on-site or remotely. The scope includes detailed instruction on module-specific workflows and ongoing post-upgrade technical assistance to ensure seamless adoption and operational effectiveness. Training must be tailored to meet the needs of the end users and align with the software’s full functionality after deployment. The contract is classified as a subcontract under a Small Business Set Aside, meaning only eligible small businesses may bid, and it falls under NAICS code 611430 for other technical and trade schools. It is managed by the Naval Surface Warfare Center Carderock, part of the Department of Defense, with performance centered in Bethesda, Maryland, at the 20817 ZIP code. Bidders must submit proposals by August 11, 2026, and the opportunity was posted on August 4, 2026, through the SAM.gov platform.

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Additional CIVA License Seat Provision (RT/CT Module)The contract pertains to the provision and activation of one additional user seat for the Radiographic Testing and Computed Tomography module under the networked CIVA 2025 software license. This subcontract is designated as a Small Business Set Aside under the SBA program, with the NAICS code 518210 indicating it falls within the Data Processing, Hosting, and Related Services category. The requirement is issued by the Naval Surface Warfare Center Carderock, a Division of the Department of Defense, and the performance location is in Bethesda, Maryland, with a zip code of 20817. The solicitation was posted on August 4, 2026, and responses are due by August 11, 2026, at 2:00 PM Eastern Time. The action involves expanding licensed user access to enable an additional technician or analyst to utilize the RT/CT module within the existing CIVA 2025 networked environment, ensuring alignment with operational needs and software compliance.

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Additional CIVA License Seat Provision (UT Module)This contract is for the provision and activation of one additional user seat for the Ultrasonic Testing module under the networked CIVA 2025 license, specifically to expand operational capacity within the existing software environment. The requirement is issued as a subcontract under a Small Business Set Aside designation, ensuring eligibility and preference for small business contractors, with the North American Industry Classification System code 518210 indicating the scope aligns with data processing and hosting services. Performance of the work is localized at the Bethesda, Maryland facility with a ZIP code of 20817, and the solicitation was posted on August 4, 2026, with responses due by August 11, 2026. The contracting activity stems from the Naval Surface Warfare Center, Carderock, under the Department of Defense, and while no point of contact details are provided, the opportunity is publicly accessible through the SAM.gov portal for qualified vendors to submit proposals.

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CIVA 2025 Software Upgrade & License ConversionThe contract calls for upgrading the existing CIVA 2022 software to CIVA 2025, ensuring full compatibility and performance across all modules including Ultrasonic Testing, Eddy Current Testing, Radiographic Testing/Computed Tomography, Guided Wave, and Tomographic methods. A critical component of the upgrade is the conversion of the current node-locked license to a networked RDT&E license that supports simultaneous, multi-user access across the organization’s designated environment. This transition enables centralized license management and improved resource utilization while maintaining strict compliance with RDT&E usage protocols. The solution must guarantee seamless interoperability with existing systems and hardware without disruption to current workflows or data integrity. The contract is issued as a subcontract under a Small Business Set Aside classification, with the North American Industry Classification System code 511210, indicating it falls under software publishing services. The performance location is designated as Bethesda, Maryland, with a solicitation posted on August 4, 2026, and responses due by August 11, 2026. The contracting activity originates from the Naval Surface Warfare Center, Carderock Division, part of the Department of Defense, underscoring the technical and operational importance of the upgrade within a defense research and development context. All deliverables must meet stringent defense-grade software standards and include thorough validation documentation to confirm system compatibility and licensing compliance.

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Notice of Intent - Sole Source - General Dynamics

Solicitation # N0016726Q1144

The Naval Surface Warfare Center Carderock Division is soliciting a sole-source contract under FAR Part 13.106-1(b) to procure an onsite, four-day training course on the use, configuration, and maintenance of the C-175N encryptors, which are NSA-certified Type 1 encryption devices used for securing voice, video, and data at the SECRET level and below. General Dynamics is the exclusive manufacturer of these devices, justifying the sole-source approach. The requirement is for one 10-person training class to be conducted Monday through Thursday, eight hours per day, with all course materials, including textbooks and reference notes, provided to each attendee. Course certificates must be delivered within one week of completion. The training is to occur at a government location in Virginia Beach, VA, with FOB Destination terms applying. The contract is categorized as a commercial item under FAR Subpart 12.6 and is not expected to exceed the Simplified Acquisition Threshold of $250,000. The NAICS code is 611430 with a small business size standard of $15 million, though no set-aside is being used. The solicitation requires responses by August 10, 2026, at 8:00 AM EST via email, including pricing, FOB point, point of contact details, GSA contract number, business size, payment terms, and a detailed capability statement confirming technical compliance. All submissions will be evaluated on a pass/fail basis for technical acceptability, with award made to the lowest-priced technically acceptable offer. The offeror must comply with full-text and incorporated FAR and DFARS clauses, including those related to whistleblower rights, labor standards, and the System for Award Management. Unique Item Identification requirements apply under MIL-STD-130 and MIL-STD-129 for any deliverables with a unit acquisition cost of $5,000 or more or otherwise identified in the schedule, mandating two-dimensional Data Matrix symbology and machine-readable verification. Instructors must be qualified SMEs on the TACLANE family of systems. Payment will be processed through the WAWF system, and the contractor must maintain current representations and certifications in SAM.gov, particularly regarding compliance with safeguarding controls and compensation of former DoD officials.

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Solicitation # N00167-26-SIMACQ-CD-61-0136

The Naval Surface Warfare Center Carderock Division’s Nondestructive Evaluation Welding, Processing, & NDE Branch, Code 611, is seeking to upgrade its existing CIVA 2022 software license to CIVA 2025, a sophisticated physics-based simulation and evaluation tool critical for advanced nondestructive testing in support of the U.S. Navy’s submarine industrial base. The effort aims to transition from a node-locked license to a networked RDT&E license to enable multiple users across the organization, while also increasing the number of licensed seats to meet projected workload demands. This upgrade is essential to sustain and enhance research and development efforts aligned with DRPM MIB Advanced Manufacturing initiatives, ensuring the Navy’s maritime industrial base remains technologically capable and resilient. The acquisition is being conducted on a sole source basis due to the specialized nature of the software and its irreplaceable role in current and future NDE missions. The solicitation, identified as N00167-26-SIMACQ-CD-61-0136, is a Small Business Set Aside under NAICS code 513210, with a posted date of August 4, 2026, and a response deadline of August 11, 2026. The contract will be managed by the Office of the Naval Surface Warfare Center Carderock Division in Bethesda, Maryland, and performance will occur at the same location. Primary point of contact for inquiries is Kylie Cox, reachable via email at kylie.l.cox2.civ@us.navy.mil. This procurement reflects the Navy’s commitment to modernizing its advanced NDE capabilities and maintaining a robust industrial infrastructure capable of supporting complex naval systems through cutting-edge simulation technologies.

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Modeling and Simulation of a Propeller-Driven Rotor System

Solicitation # N00167-26-SIMACQ-CD-88-0013

The U.S. Naval Surface Warfare Center at Carderock is advancing the development of a Propeller-Driven Rotor system through a Sole Source award under a Small Business Set Aside, continuing work initiated in Phase I under Order No. N0016726Q1022. The current effort focuses on refining the flight control system to address damped, oscillatory responses observed in prior simulations, with goals including the maturation of the controller, implementation of hardware-in-the-loop testing, and general technical support to NSWC personnel. This phase builds directly on previous modeling and simulation成果 to enhance performance, flight dynamics, structural load handling, and overall stability of the PDR system. The solicitation, titled Modeling and Simulation of a Propeller-Driven Rotor System, is issued under NAICS code 541330 and has a response deadline of August 11, 2026. The contract is being managed by the Department of Defense through the NSWC Carderock office located in Bethesda, Maryland, with primary point of contact Kylie Cox available via email. The place of performance is also in Bethesda, and the opportunity is designated as a presolicitation under a total small business set aside, ensuring eligibility and participation limits are aligned with SBA guidelines.

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Technical Data Package (TPD) for Main Shaft Seals

Solicitation # N0016726Q1124

The Naval Surface Warfare Center Carderock Division is seeking a small business contractor to develop a white paper for the Technical Data Package of the Main Shaft Seal, leveraging over 70 years of institutional expertise in seal design, testing, and manufacturing. This procurement, identified by solicitation number N0016726Q1124 and set aside entirely for small businesses under NAICS code 339991, requires the contractor to act as a subject matter expert in science, engineering, and fluid dynamics to conduct a comprehensive engineering review and adequacy assessments of the U.S. Navy submarine main shaft seal design using engineering calculations and numerical simulations. The deliverables include a formal white paper and three Contract Data Requirements Lists: a status report, a funds and labor hour expenditure report, and a technical report, all to be submitted in accordance with specified data item descriptions. The contract is structured as a firm fixed price arrangement with a 12-month period of performance beginning after award, and options extend the period by an additional year. The work requires handling Controlled Unclassified Information under DoD Instruction 5200.48, with designated key personnel holding a SECRET security clearance, and compliance with CMMC Level 1 or 2 requirements based on the final determination by the Contracting Officer. Cybersecurity obligations include adherence to NIST SP 800-171, safeguarding covered defense information, and annual affirmations in the Supplier Performance Risk System. All deliverables and items must comply with MIL-STD-130 and MIL-STD-129 for unique item identification, machine-readable marking, and packaging standards, with verification using automatic identification technology. The evaluation will follow a Lowest Price Technically Acceptable approach, where technical capability must be rated acceptable to qualify; price will then determine award among qualified offerors. Invoicing must be processed through WAWF using cost vouchers for labor-hour items and the Invoice and Receiving Report (COMBO) for fixed-price deliverables, with full adherence to DFARS and FAR clauses covering ethics, gratuities, trafficking in persons, DEI discrimination, electronic payments, and subcontracting. The solicitation was amended to extend the response deadline to July 29, 2026, and to incorporate DFARS clause 252.204-7025. Proposals must be submitted via SAM.gov by the stated deadline, and all submissions imply consent for NAVSEA's file management contractor to access

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N00167-C0231-BSS2026 - Business Services Support

Solicitation # N00167-C0231-BSS2026

The U.S. Navy’s Naval Surface Warfare Center, Carderock Division is seeking qualified sources to provide Business Services Support under contract number N00167-C0231-BSS2026. This solicitation, posted on August 3, 2026, with a response deadline of September 3, 2026, aims to identify capable vendors to perform support tasks outlined in the attached Statement of Work, though specific details of the services are not listed in the provided data. The effort is categorized as a sources-sought notice, indicating it is exploratory in nature and not a formal solicitation for award at this stage. There is no set-aside designation specified, and no NAICS code has been assigned, suggesting potential flexibility in vendor eligibility. The contracting activity is based at the Navy’s facility in Bethesda, Maryland, with point of contact information provided for Misty Alvarez as the primary liaison and William G. Finke as the secondary contact. All inquiries should be directed to the email addresses and phone number listed, and interested parties are encouraged to review the full Statement of Work and any related attachments via the provided SAM.gov link. The place of performance has not been specified, which may imply that services could be delivered remotely or at multiple locations, pending further clarification from the agency. This notice represents an early-stage market research effort to gauge industry capability and interest in delivering business support services to the Department of Defense.

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Supply of Discontinued PC/104 Single Board Computers (SBCs)The contract requires the procurement and delivery of exactly 50 units of the discontinued PC/104 form-factor single board computer with part number 9110552 sourced exclusively from Diamond Systems for integration into the IM-272A/WDQ Air Particle Detector system. This is a last-time buy with no substitutions permitted, ensuring the components are identical to those previously used in the system to maintain compatibility and operational integrity. The solicitation is a small business set aside under SBA guidelines, with a NAICS code of 423430 indicating it falls under wholesale trade of electronic parts and equipment. The response deadline is August 7, 2026, and the contract is managed by the Naval Surface Warfare Center Carderock, under the Department of Defense, with performance required in Bethesda, Maryland, zip code 20817. All deliveries must adhere strictly to the specified part number and vendor to fulfill the unique and non-replaceable needs of the Air Particle Detector system.

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Diamond Systems PC104 Single Board Computer

Solicitation # N00167-26-SIMACQ-CD-63-0020

The U.S. Navy’s Naval Surface Warfare Center Carderock Division is seeking quotes for a commercial off-the-shelf PC104 single board computer manufactured by Diamond Systems under a 100% small business set-aside solicitation. This acquisition, identified by reference number N00167-26-SIMACQ-CD-63-0020, is conducted under Simplified Acquisition Procedures and will be awarded as a firm-fixed-price purchase order at or below the simplified acquisition threshold. The product is a proprietary sub-component critical to the IM-272A/WDQ Air Particle Detector, and no substitutions or alternative manufacturers are permitted; only Diamond Systems-branded units are acceptable. Offerors must be the OEM, an authorized distributor, or an authorized reseller of Diamond Systems and must provide documentation proving their authorized status upon request. All quoted items must be new, TAA-compliant, and clearly labeled with their country of origin; failure to demonstrate TAA compliance or to meet the mandatory brand specification will result in rejection. Quotes must be submitted FOB Destination with no separate shipping charges and are due by August 7, 2026, at 12:00 PM EST to Michael S. Brodie at the designated email address. Evaluation is strictly based on technical acceptability, past performance assessed through SPRS, SAM, and FAPIIS, and price reasonableness, with award going to the most advantageous offer without negotiations. Submitting entities must be small businesses as defined by the North American Industry Classification System code 334111 with a size standard of 1,250 employees and must include their official company name, point of contact, CAGE Code, and SAM UEI in their submission.

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N00167-C0231-MMCAMS2026

Solicitation # N00167-C0231-MMCAMS2026

The U.S. Navy’s Naval Surface Warfare Center, Carderock Division is seeking potential sources to support the development of MMC and AMS technologies under solicitation N00167-C0231-MMCAMS2026. This sources-sought notice, posted on July 30, 2026, invites industry collaboration on advanced technological capabilities critical to naval systems, with responses due by September 3, 2026. The effort is part of a broader initiative to innovate and enhance maritime warfare systems through cutting-edge research and development, with detailed technical requirements outlined in the attached Statement of Work. The primary point of contact for inquiries is Misty Alvarez, reachable via email at misty.a.alvarez.civ@us.navy.mil or by phone at 757-513-8035, located at the agency’s office in Bethesda, Maryland, 20817-5700. No specific set-aside preferences or NAICS codes are indicated, and the place of performance has not been defined, suggesting flexibility in execution locations. All proposals must align with the technical scope provided in the Statement of Work, and interested parties are encouraged to review the official SAM.gov listing for additional context and submission guidance.

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