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CLOSTRA INC

Subsidiary ofCLOSTRA INCUEI: G5CTKNN62KG5CAGE: 7NYG3

CLOSTRA INC is a federal contractor, registered under UEI G5CTKNN62KG5 and CAGE code 7NYG3. It has been awarded $18,996,608 in federal contracts. Primary work spans Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology), Unknown NAICS, and Software Publishers. Top awarding agencies include Department Of Defense, Department Of Energy, and U.S. Agency For Global Media.

Contact Information

Registration and classification details

Registration

UEI Code

G5CTKNN62KG5

CAGE Code

7NYG3

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationSubchapter S Corporation

NAICS Codes

541330Engineering Services
541511Custom Computer Programming Services
541512Computer Systems Design Services
541690Other Scientific and Technical Consulting Services
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)(Primary)
+2 more

Federal Contracting Overview

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

AI Capability Profile

CLOSTRA INC specializes in applied research and development for defense and engineering systems, focusing on advanced algorithmic solutions for automated detection, training interpretation, and prototype validation in physical and engineering sciences. Their work centers on developing and refining s...

CLOSTRA INC specializes in applied research and development for defense and engineering systems, focusing on advanced algorithmic solutions for automated detection, training interpretation, and prototype validation in physical and engineering sciences. Their work centers on developing and refining software-driven analytical frameworks that enhance situational awareness, decision support, and system performance for military applications. Technical expertise includes machine learning model training, data interpretation pipelines, and rapid prototyping of sensor-based systems, with a demonstrated ability to translate SBIR-phase concepts into functional prototypes aligned with DoD operational requirements. A key differentiator is their precision in bridging theoretical research with field-deployable outcomes, particularly in environments requiring high-fidelity simulation and real-time analytical feedback. The company maintains a consistent relationship with the Department of Defense, delivering R&D services under Small Business Innovation Research programs. Their engagements typically involve Phase I feasibility studies and Phase II prototype development, with a focus on mission-critical systems requiring rigorous validation and compliance with defense technical standards. This recurring collaboration suggests deep familiarity with DoD acquisition pathways, SBIR submission protocols, and defense-specific compliance frameworks. CLOSTRA INC operates primarily within NAICS 541715, which encompasses non-biotech physical and engineering R&D—placing them squarely in the domain of defense technology innovation, systems modeling, and computational analysis. They position themselves as a niche provider of mission-focused R&D services, distinct from broad-spectrum IT contractors by their emphasis on physics-based modeling, sensor data interpretation, and automated decision aids. As a small business structured as a 2L entity with no federal certifications, CLOSTRA INC is geographically anchored in Miami, Florida, leveraging regional technical talent and defense-contracting ecosystems to support its specialized R&D mission. Their market positioning reflects a focused, agile approach to solving complex defense challenges through targeted innovation rather than scale.

Key Performance Metrics

Awards Count

28

All time

Active

1

Currently performing

Completed

27

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
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Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 541715
New
Federal
Common Autonomous Multi-Domain Launcher (CAML)-Lite Prototype Effort
Solicitation # W50RAJ27CAML_LITE
The Common Autonomous Multi-Domain Launcher (CAML)-Lite Prototype Effort is a competitive procurement conducted under 10 U.S.C. section 4022 Other Transaction Authority to develop a mobile, optionally manned, autonomous launcher for cross-domain offensive and defensive fires. The program is structured in two phases, beginning with Phase 1, which requires a prototype demonstration at Talisman Sabre 2027 in August 2027. This initial phase includes a priced option for the acquisition of additional prototype units, New Equipment Training, and Contractor Logistics Support. Phase 2 focuses on prototype maturation and integration into a common CAML architecture. The government seeks solutions that utilize a Modular Open Systems Approach to ensure interchangeable modules and autonomous munition resupply with minimal human intervention. The procurement process begins with the submission of a Solutions Brief, with a deadline of October 26, 2026. The government will evaluate these briefs based on technical soundness, credibility in addressing objectives, and the feasibility of the maturation path to select the most meritorious respondents for a subsequent Request for Prototype Proposal. Award for Phase 1 is expected by December 18, 2026. Selected performers must assume full responsibility for international logistics and compliance for transporting systems to Australia. Funding for the demonstration will be provided at initial award, though performer investment is required and may positively influence selection. Final acceptance of the effort is contingent upon successful performance verification, cybersecurity Authority to Operate, and government approval of the Technical Data Package.
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NAICS: 541715
New
Federal
Protein Palace Proposers Day
Solicitation # DARPA-SN-27-01
The Defense Advanced Research Projects Agency (DARPA) is initiating the Protein Palace program to develop a universal, tunable protein purification platform. This initiative aims to replace the traditional lock-and-key paradigm with a system capable of purifying multiple proteins from a single system by leveraging unique physicochemical characteristics to improve specificity, generalizability, and scalability in biomanufacturing. The program is structured into two distinct phases: a 24-month Phase 1 focused on proving feasibility and specificity by separating eight different proteins, followed by an 18-month Phase 2 focused on increasing throughput and volume, demonstrated on two additional proteins that are difficult to purify using current state-of-the-art methods. To support this effort, DARPA is hosting an in-person Proposers Day on November 17, 2026, from 9:00 a.m. to 4:00 p.m. ET at the Executive Conference Center in Arlington, Virginia. Interested parties must register by November 9, 2026, and provide government-issued photo identification for entry. While the current Special Notice DARPA-SN-27-01 is for information and planning purposes and does not constitute a formal solicitation, DARPA anticipates releasing the full solicitation on sam.gov prior to the event. The Proposers Day will be held at the unclassified level, and any presented materials must be suitable for unlimited public release.
Defense Advanced Research Projects Agcy

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NAICS: 541715
New
Federal
HYDROSPHERE, BIOSPHERE, & GEOPHYSICS (HBG) SUPPORT SERVICES II - FINAL REQUEST FOR PROPOSAL (FRFP)
Solicitation # 80GSFC27R0015
The National Aeronautics and Space Administration Goddard Space Flight Center is soliciting proposals for the Hydrosphere, Biosphere, and Geophysics (HBG) Support Services II contract, under solicitation number 80GSFC27R0015. This small business set-aside is a hybrid Indefinite Delivery Indefinite Quantity (IDIQ) contract with a five-year effective ordering period. The contract allows for the issuance of both Cost Plus Fixed Fee (CPFF) and Firm-Fixed Price (FFP) task orders to support science research and computing activities across various laboratories, including the Cryospheric Sciences, Ocean Ecology, Hydrological Sciences, Biospheric Sciences, Geodesy and Geophysics, and the Terrestrial Information Systems Laboratory. The primary objective is to develop and apply space, field-deployed, and laboratory-based technologies to address societal issues related to water resources, ecosystems, sea level change, and the Earth's magnetic and gravity fields. The scope of work encompasses scientific modeling, simulation, data assimilation, satellite instrument performance analysis, and the planning and execution of field campaigns. Performance will occur at the Goddard Space Flight Center and the contractor's facilities, with acceptance managed by the Contracting Officer or a designated representative. Award selection will be based on a tradeoff approach, prioritizing Mission Suitability as the most important factor, followed by Cost and Past Performance. Proposals must be submitted in four volumes, including a numerically scored Mission Suitability volume and a detailed Cost volume. Additionally, the contractor must adhere to strict security requirements, including the provision of a Cyber Supply Chain Risk Management plan and compliance with NDAA Section 889 regarding telecommunications and surveillance equipment.
NASA Goddard Space Flight Center

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NAICS: 541715
New
Federal
Research, Development, Test & Evaluation (RDT&E) Support for the Center for Corrosion Science and Engineering (CCSE)
Solicitation # N0017326RGF02
The Naval Research Laboratory is soliciting proposals for a Cost-Plus-Fixed-Fee Indefinite-Delivery, Indefinite-Quantity (IDIQ) contract to provide Research, Development, Test and Evaluation support for the Center for Corrosion Science and Engineering. This small business set-aside effort has a maximum value of 85 million dollars and a five-year ordering period from February 28, 2027, to February 27, 2032. The scope of work focuses on four primary areas: corrosion science and engineering, material science and environmental compatibility, marine coatings science and technology, and technology transfer, field demonstrations, and engineering support. The contract includes an initial Task Order 1 with a 12-month base period and four option years, requiring a total of 30,720 annual hours across 17 labor categories. The government will award the contract based on a best-value tradeoff process, evaluating technical understanding, staffing and key personnel qualifications, past performance, and cost. Key personnel requirements include a Program Manager IV and an IT Specialist IV. Due to the nature of the research, personnel must possess Secret security clearances, and the contractor must maintain a Top Secret facility security clearance. Performance is primarily based at the Naval Research Laboratory in Washington, DC, and requires strict adherence to OSHA safety regulations and Department of Defense security protocols. Proposals must be submitted in five separate volumes via email by November 6, 2026.
Naval Research Laboratory

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NAICS: 541715
New
Federal
Federal Aviation Administration (FAA) Research And Commercial Solutions Opening (RCSO) Area Of Interest (AOI) - Complexity Of Systems And Operations
Solicitation # 693KA8-27-T-00003
The Federal Aviation Administration is soliciting innovative research and solutions for the Complexity of Systems and Operations Area of Interest under Broad Agency Announcement BAA-693KA8-26-RCSO. This effort focuses on aviation safety research to identify, evaluate, and manage system complexity from the perspectives of pilots and aircraft maintenance personnel. Key research areas include human-machine interaction, the explainability of complex automation and artificial intelligence, error management, and the integration of new airspace structures and operating concepts. The goal is to obtain high-quality human factors data, tools, and methodologies to enhance the National Airspace System. This solicitation, numbered 693KA8-27-T-00003, utilizes a phased selection process consisting of Research/Solution Briefs, Pitches, and full Proposals. The total budget for this Area of Interest is up to 5 million dollars, with multiple awards possible. Selected projects will be funded through Other Transaction Agreements, which are not subject to the Federal Acquisition Regulation or the FAA Acquisition Management System. The deadline for Phase I submissions is November 2, 2026. Evaluation is based on technical merit, innovation, relevance to the problem statement, and mission impact rather than a competitive ranking against other submissions.
693KA8 System Operations Contracts

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NAICS: 541715
New
Federal
Cattle Run Proposers Day Announcement
Solicitation # DARPA-SN-27-03
The Defense Advanced Research Projects Agency (DARPA) is hosting a Proposers Day for the Cattle Run program on November 10, 2026, at the DARPA Conference Center in Arlington, Virginia. This event serves as an informational forum to discuss the program, address questions from potential proposers, and facilitate teaming opportunities. While this event is identified under solicitation number DARPA-SN-27-03, it does not constitute a formal solicitation for proposals or abstracts. The primary technical point of contact for the program is Mr. Steven Chambers, STO Program Manager. The Cattle Run program focuses on enabling cost-effective cislunar constellations by developing autonomous spacecraft that utilize solar sails or other renewable propulsion for long-duration maneuverability and station keeping. The project is phased to begin with the rapid development and launch of a demonstrator spacecraft below geosynchronous earth orbit to validate autonomous Guidance, Navigation, and Control (GNC) and acceleration capabilities, followed by the launch of multiple spacecraft for cislunar operations. Strict security and eligibility requirements are in place for all attendees. Participation is limited to U.S. citizens, and foreign nationals are not permitted. Because the event is conducted at the Controlled Unclassified Information (CUI) level, attendees must provide government-issued photo identification and a CMMC Unique Identifier during registration. Furthermore, the government requires verification of CMMC Level 2 compliance, which includes the 110 security requirements of NIST SP 800-171 Rev 2 and a current annual CMMC affirmation posted in the Supplier Performance Risk System (SPRS).
Defense Advanced Research Projects Agcy

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