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GREENSEA SYSTEMS, INC.

Subsidiary ofGREENSEA SYSTEMS INC.UEI: K253L4KE81V7CAGE: 4TY07

GREENSEA SYSTEMS, INC. is a federal contractor, registered under UEI K253L4KE81V7 and CAGE code 4TY07. It has been awarded $43,836,748 across 31 federal contracts. Primary work spans Engineering Services, Electromedical and Electrotherapeutic Apparatus Manufacturing, and Research and Development in Nanotechnology. Top awarding agencies include Department Of Defense, Niwc Pacific, and National Science Foundation (nsf).

Contact Information

Registration and classification details

Registration

UEI Code

K253L4KE81V7

CAGE Code

4TY07

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

2XMF

NAICS Codes

334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing(Primary)
334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
541330Engineering Services
541511Custom Computer Programming Services
541512Computer Systems Design Services
+2 more

Federal Contracting Overview

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

AI Capability Profile

Greensea Systems, Inc. specializes in advanced research and development for defense-critical technologies, with a focus on nanotechnology and physical sciences applications for naval and aerospace systems. The company delivers high-precision software tools and embedded systems for unmanned platforms...

Greensea Systems, Inc. specializes in advanced research and development for defense-critical technologies, with a focus on nanotechnology and physical sciences applications for naval and aerospace systems. The company delivers high-precision software tools and embedded systems for unmanned platforms, including EOD workspace simulators and navigation instrumentation, leveraging expertise in sensor fusion, guidance algorithms, and real-time data processing. Their work in nanotechnology development suggests deep capability in materials science and micro-scale system integration, while their software publishing contracts indicate proficiency in mission-critical simulation environments and embedded control systems. Greensea’s technical edge lies in bridging laboratory-scale innovations with field-deployable hardware-software architectures, particularly for underwater and aerial autonomy applications. The company maintains a consistent and exclusive relationship with the Department of Defense, supporting R&D initiatives across naval, aerospace, and explosive ordnance disposal domains. Their engagements span early-stage concept validation, prototype development, and organizational modernization efforts, demonstrating a trusted role in advancing next-generation defense technologies from concept to operational readiness. Greensea’s primary industry focus is in research and development for nanotechnology and physical sciences, positioning them as a niche provider of cutting-edge solutions for defense R&D programs. They operate at the intersection of materials engineering, sensor systems, and computational modeling, serving government programs requiring rapid innovation cycles and rigorous technical validation. As a small business structured as a 2L entity based in Richmond, Vermont, Greensea Systems operates with agility and deep technical specialization. While currently holding no formal government certifications, their consistent engagement with DoD on high-complexity R&D contracts underscores their credibility and alignment with federal mission needs in advanced technology development.

Key Performance Metrics

Awards Count

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Active

0

Currently performing

Completed

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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
Department Of Defense$18.5M42.3%
Niwc Pacific$18.2M41.4%
National Science Foundation (nsf)$3.7M8.3%
Department Of Defense (dod)$1.9M4.4%
Department Of The Interior$1.6M3.6%
Awards by NAICS
Export
541330 - Engineering Services$18.2M41.4%
334510 - Electromedical and Electrotherapeutic Apparatus Manufacturing$9.0M20.5%
541713 - Research and Development in Nanotechnology$4.9M11.1%
541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$4.5M10.2%
- Unknown NAICS$3.8M8.7%
541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$1.6M3.6%
541710 - Research and Development in the Physical, Engineering, and Life Sciences$1.2M2.7%
423850 - Service Establishment Equipment and Supplies Merchant Wholesalers$285.0K0.7%
334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing$281.4K0.6%
Others - Other NAICS codes (5 codes, <0.5% each)$195.0K0.5%
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 541330
New
Scattergood GS. Units 1&2 Green Hydrogen-Reaady Modernization
Solicitation # scattergood-gs-units-12-green-hydrogen-reaady-modernization
Kiewit Infrastructure West Co. is seeking sub-quotes for the Scattergood GS Units 1 and 2 Green Hydrogen-Ready Modernization project for the City of Los Angeles Department of Water and Power. The scope of work is extensive, encompassing professional and technical services such as civil, structural, mechanical, electrical, and instrumentation and controls engineering, as well as utility locating, geotechnical and geophysical investigations, BIM/3D modeling, and environmental assessments. Additional requirements include hazardous materials surveys, permitting support, and CPM scheduling. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a bid date of September 11, 2026, and a response deadline of September 30, 2026. Eligible bidders include Disadvantaged, Minority, Women, and Other Business Enterprises, provided they hold certifications from recognized agencies such as the SBA or MBDA. Responsive bidders must possess a valid California Contractor's license and provide acceptable insurance. Subcontractors and material contractors are required to provide bonding for 100 percent of their contract value, though Kiewit will reimburse the associated bond premiums. Furthermore, Kiewit, as a signatory to various collective bargaining agreements, requires bidders to demonstrate an ability to maintain labor harmony on the project. For further information or to review plans and specifications, interested parties should contact Lead Estimator Joe Bockelman.
Kiewit Infrastructure West Co.

POSTED

about 7 hours ago

DEADLINE

in 18 days
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NAICS: 541330
New
Subcontracting Opportunity: City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3
Solicitation # 27-3214
Parametrix is seeking qualified subconsultants to provide civil engineering design and right-of-way services for the City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3. The project aims to address sewer system deficiencies in southwest Bend by extending a gravity trunk sewer line to unsewered areas, decommissioning existing pump stations in the Romaine Village area, and installing service laterals to transition properties from private septic systems to public sewer. The scope may also include roadway reconstruction, ADA curb ramp and curb design, and minor transportation improvements such as turn lanes or mini roundabouts. The project is funded by the Clean Water State Revolving Fund administered through the Oregon Department of Environmental Quality, with a total design and construction budget of 3,875,000 dollars. The procurement process is managed by the City of Bend, with a proposal deadline of September 29, 2026. Selection is based on technical and administrative capabilities, with the potential for interviews to influence final scoring. Key deliverables include a preliminary engineering report, a public outreach plan, and construction contract documents at 30, 60, 90, and 100 percent completion, culminating in record drawings. The City intends to advertise for construction services in Fall or Winter 2027. Parametrix is actively soliciting firms with recognized federal, tribal, state, local, or independent DBE certifications as part of a good faith effort to include small, minority-owned, women-owned, and veteran-owned businesses.
Parametrix

POSTED

about 7 hours ago

DEADLINE

in 17 days
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NAICS: 541330
New
SLED
Design / Engineering for Microgrid System and DC fast charger
Solicitation # PE-64458-NONST-2027-000000037
The City of Decatur is seeking qualified professional engineering firms to provide turnkey services for the design, bid assistance, and construction administration of a microgrid system and DC fast charger for electric vehicles at the Decatur Police Department located at 420 West Trinity Place. The project involves integrating a solar photovoltaic generation system and a battery energy storage system designed to optimize renewable energy and peak demand management during normal grid-connected operations, while ensuring critical loads remain operational during emergency grid-islanded conditions. The selected consultant will be responsible for delivering complete design plans for bidding and providing construction administration through installation, commissioning, testing, and interconnection with Georgia Power. This solicitation, posted on September 11, 2026, requires proposals to be submitted by October 13, 2026. The project is funded by the City and a Department of Energy grant, necessitating strict compliance with Build America, Buy America (BABA) requirements and federal regulations. Awarded firms must maintain a non-discrimination policy and carry an umbrella insurance policy of at least 5 million dollars. Evaluation is based on a 100-point weighted system, and the expected project start date is November 2026, following coordination with Georgia Power. Payment will be made monthly based on progress reports and invoices submitted to the City Manager.
City of Decatur

POSTED

about 19 hours ago

DEADLINE

in about 1 month
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