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SAN DENSHI KOGYO CO.,LTD.

UEI: VDAPD41KB5W9CAGE: JS620

SAN DENSHI KOGYO CO.,LTD. is a federal contractor, registered under UEI VDAPD41KB5W9 and CAGE code JS620. It has been awarded $28,559,656 in federal contracts. Primary work spans Ship Building and Repairing, Unknown NAICS, and Other NAICS codes (11 codes, <0.5% each). Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

VDAPD41KB5W9

CAGE Code

JS620

Entity Structure

International Organization

Established

N/A

Business Classifications

For Profit Organization

NAICS Codes

238210Electrical Contractors and Other Wiring Installation Contractors(Primary)
335929Other Communication and Energy Wire Manufacturing
335999All Other Miscellaneous Electrical Equipment and Component Manufacturing
336611Ship Building and Repairing
423690Other Electronic Parts and Equipment Merchant Wholesalers

Federal Contracting Overview

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

AI Capability Profile

SAN DENSHI KOGYO CO., LTD. specializes in complex naval vessel repair and modernization, delivering precision engineering services for U.S. Navy surface ships and amphibious platforms. Their core capabilities encompass electrical system overhauls, antenna and cable infrastructure replacement, propul...

SAN DENSHI KOGYO CO., LTD. specializes in complex naval vessel repair and modernization, delivering precision engineering services for U.S. Navy surface ships and amphibious platforms. Their core capabilities encompass electrical system overhauls, antenna and cable infrastructure replacement, propulsion component servicing, and mission-critical equipment installation—including solid waste shredders, helo control stations, and SSDG exciters. The contractor demonstrates deep technical proficiency in shipboard electrical systems, mechanical integration, and naval architecture compliance, with consistent execution on high-value platforms such as LHA-class amphibious assault ships and LPD-class dock landing ships. Their work requires strict adherence to military specifications, shipyard safety protocols, and classified installation standards, positioning them as a trusted provider for mission-critical, time-sensitive repairs that maintain fleet readiness. The company maintains an exclusive relationship with the Department of Defense, specifically supporting U.S. Navy surface fleet maintenance and modernization programs. All awarded contracts involve direct vessel sustainment activities, indicating a long-standing, operationally embedded partnership with naval maintenance commands and shipyard support teams. Their work is typically performed at forward-deployed or homeport locations, suggesting a responsive, expeditionary support model tailored to operational tempo requirements. Their primary industry focus is shipbuilding and repairing (NAICS 336611), with a narrow specialization in combatant vessel electrical, mechanical, and avionics systems integration. They operate at the intersection of naval engineering and tactical systems sustainment, serving a niche market for in-service ship modernization rather than new construction. SAN DENSHI KOGYO CO., LTD. is a Japanese entity based in Sasebo, with no publicly listed U.S. government certifications. Their geographic presence is overseas, yet they maintain active, direct contractual engagement with U.S. Navy programs, indicating a global supply chain and technical support footprint aligned with U.S. maritime operations in the Indo-Pacific region.

Key Performance Metrics

Awards Count

1,579

All time

Active

6

Currently performing

Completed

1,570

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
336611 - Ship Building and Repairing$27.5M96.4%
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 336611
New
SLED
F&W, 2018 Munson Packman Boat Repower project
Solicitation # 2018 Munson Packman Boat Repower
The Confederated Tribes of the Colville Reservation Fish and Wildlife Department is seeking a factory-certified Honda Marine Authorized Dealer to perform a complete propulsion repower and helm system integration for a 30 foot Munson Packman landing craft. The project is divided into six phases, beginning with the decommissioning and removal of two Honda BF250A outboard engines and incompatible rigging, followed by the installation of two new Honda BF250D Drive-by-Wire outboards. The scope includes integrating new Honda iST electronic control heads at primary and secondary helm stations, interfacing with the existing SeaStar Power Assist steering and NMEA 2000 network, replacing fuel lines with USCG Type A1-15 hoses, and installing new digital gauges and ignition switches with safety tethers. The project concludes with static diagnostics and a minimum two hour sea trial to validate performance and safety protocols. The selected contractor must provide a secure facility for vessel storage and submit a firm-fixed price proposal by November 13, 2026. Evaluation is based on a 100 point scale considering technical capability and budget, with a specific preference for responsible Indian Offerors. Contractual requirements include commercial general liability insurance of at least 1 million dollars per occurrence, a 25 percent retainage or a performance bond for contracts exceeding 100,000 dollars, and adherence to the Colville Tribal Employment Rights Ordinance. All disputes are subject to the jurisdiction of the Colville Tribal Court, and payments are contingent upon the availability of tribal funds.
Confederated Tribes of the Colville Reservation

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about 5 hours ago

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in 11 days
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NAICS: 336611
New
SLED
Battleship Wisconsin Underwater Hull Survey Inspection, Cleaning, Maintenance, and Repair Services
Solicitation # 11143-0-2027/TN
The City of Norfolk is seeking a responsible vendor to provide comprehensive underwater hull survey, inspection, cleaning, maintenance, and repair services for the Battleship Ex-Wisconsin. The scope of work includes biannual swim-by dive inspections, biannual surveys and cleaning of the Impressed Current Cathodic Protection (ICCP) system, and annual inspections and cleaning of 164 box blanks and stern tubes. Additionally, the vendor will perform underwater welding and painting using Hycote-type paint and conduct a full comprehensive hull survey once every five years, which includes thickness gauging and coating measurements compared against 2019 and 2025 data. A one-time underwater hull cleaning is also anticipated in 2030. This solicitation is an Invitation for Bids (IFB 11143-0-2027/TN) with a response deadline of November 5, 2026. The contract will be awarded to the lowest responsible bidder based on the grand total submitted in the bid form. To be deemed responsible, vendors must be certified by the U.S. Navy Naval Sea Systems Command (Code 00C5) and comply with NAVSEA S9086-CQ-STM-010 standards. Required documentation includes a signed cover page, certifications regarding business authorization in Virginia, anti-collusion, ethics, and non-discrimination. The selected contractor must maintain significant insurance coverage, including Marine Comprehensive Liability of up to 5 million dollars aggregate, 2 million dollars for Worker's Compensation (including Longshoreman and Jones Act coverage), 2 million dollars for Auto Liability, and Professional Liability of 2 million dollars aggregate. All deliverables, including detailed inspection and repair reports with photographic evidence and 2D graphical layouts, must be submitted electronically. Bids must be submitted via the designated electronic portal; hard copy or emailed submissions will not be accepted.
Nauticus

POSTED

about 9 hours ago

DEADLINE

in 17 days
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NAICS: 336611
New
Federal
USNS EARL WARREN (T-AO 207) ROH/UWILD
Solicitation # N6264927RL005
NAVSUP Fleet Logistics Center Yokosuka, Site Singapore, is soliciting a fixed-price contract for the repair and maintenance of the USNS EARL WARREN (T-AO 207), specifically for Restricted Overhaul and Underwater Inspection in Lieu of Drydocking (ROH/UWILD) services. The work must be performed in accordance with the Military Sealift Command specification SSUN 27-010 and ABS standards. The period of performance is scheduled from May to July 2027, with the place of performance located within the U.S. 7th Fleet Area of Responsibility, excluding India. This is a total small business set-aside procurement, and interested offerors must maintain an active registration in the System for Award Management (SAM). Proposals are due by December 2, 2026, at 1:00 PM Singapore Standard Time and must be submitted electronically via DoD SAFE. The award will be granted to the responsible offeror providing the lowest evaluated price, provided their technical approach and past performance are rated as acceptable. Evaluation of past performance focuses on similar work performed on Navy or government military vessels within the last five years. Required submission volumes include a price proposal using Attachment J-3, a technical volume, a past performance volume, and a cover page with administrative requirements. Payment will be processed through Wide Area WorkFlow (WAWF) and managed by the designated Project Planning and Execution (PPE) personnel.
Navsup Flt Logistics Ctr Yokosuka

POSTED

about 11 hours ago

DEADLINE

in 29 days
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NAICS: 336611
New
Federal
USCG STA SAN FRANCISCO (45667) FY27 DD REPAIRS
Solicitation # 70ZU0327QSBPL0001
Solicitation 70ZU0327QSBPL0001 is a combined synopsis and solicitation issued by the Department of Homeland Security for the USCG STA San Francisco to perform FY27 drydock repairs. This HUBZone Small Business Set Aside is a firm-fixed price contract utilizing a lowest price technically acceptable approach. The period of performance is scheduled from April 19, 2027, to July 19, 2027, with work performed in San Francisco, California. The scope of work includes general welding, ultrasonic testing, inspection of hull plating and fendering systems, and 100 percent underwater body preservation. Technical requirements mandate adherence to SFLC Standard Specifications 0000, 0740, 6310, and 8634STD, as well as specific Coast Guard drawings. Award evaluation is based on technical acceptability, fairness and reasonableness of pricing, and a review of past performance via CPARS for three similar projects completed within the last two years. Offerors must provide comprehensive documentation, including a planning document for transportation, welding certifications, and proof of drydock or crane certification. Total evaluated price will include foreseeable costs such as crew travel, lodging, or crane rentals depending on the vendor's proximity to the performance site. Proposals must be submitted electronically to Troy Elliott by December 2, 2026, and must include a signed SF1449, an Excel-based schedule of supplies and services, and required socioeconomic certifications.
CG-SEA-C23

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DEADLINE

in 30 days
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NAICS: 336611
New
Federal
USCGC HAMMER (WLIC 75302) USCG 68A BARGE (68014) DRYDOCK REPAIRS FY2027
Solicitation # 70ZU0127QPBPL0001
Solicitation 70ZU0127QPBPL0001 is a Request for Quotations issued by the Department of Homeland Security, Coast Guard, for the Fiscal Year 2027 drydock repairs of the USCGC HAMMER (WLIC 75302) and the USCG 68A Barge (68014). This is a Total Small Business Set-Aside under a Firm Fixed Price contract with a proposed period of performance from January 6, 2027, to March 17, 2027, contingent upon Congressional Appropriation. The contractor must provide a facility accessible from a navigable waterway in Jacksonville, Florida, capable of supporting the safe arrival and departure of the vessels. The scope of work encompasses comprehensive maintenance, preservation, and repair services, including hull plating renewal, ultrasonic side scan testing, propulsion shafting overhaul, tank preservation, and the renewal of sea valves and strainers. Specific requirements include the provision of an independent Level 3 NACE Inspector and adherence to SFLC Standard Specifications for welding, drydocking, and preservation. Award will be based on the most advantageous offer, evaluating technical capability, project planning, experience with DoD and USCG surface vessels, and price. Quotations are due by November 9, 2026, and must include a cover letter, price schedule, and documentation of past performance and technical capability.
CG-SEA-C21

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about 11 hours ago

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in 7 days
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NAICS: 336611
New
Federal
Voyage Repair (VR)
Solicitation # N6817127QN006
Solicitation N6817127QN006 is a request for quotes for Firm Fixed Price non-commercial voyage repair services for the USS RAFAEL PERALTA (DDG 115) in Mombasa, Kenya. Managed by NAVSUP FLC Sigonella Naples Office, the scope of work includes hull maintenance such as high-pressure fresh water washing and rust and corrosion removal, mechanical and HVAC services including the cleaning and inspection of air conditioning and refrigeration plant condensers, and general repairs such as replacing lagging, insulation, and furniture upholstery. The contractor is also required to provide rigging services and scaffolding for ship's force use. All work is performed on a 24-hour tether, meaning the contractor must be capable of vacating the ship within 24 hours of notification. The period of performance is scheduled from 14 November 2026 to 18 November 2026, with proposals due by 03 November 2026 at 13:00 CET. Award will be made to the Lowest Priced Technically Acceptable offeror, with evaluations based on technical capability and price for CLIN 0001. Contractors must adhere to strict quality and safety standards, including NAVSEA Standard Items and SCF Part 1915 Occupational Safety and Health Standards. Required submissions include a completed SF 18, SF 30 for amendments, technical qualifications via the J-3 checklist, and representations and certifications from Section K. Additionally, a signed Use and Non-Disclosure Agreement is mandatory for accessing restricted technical data, and invoicing must be processed electronically through Wide Area WorkFlow.
Navsup Flc Sigonella Naples Office

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NAICS: 336611
New
Federal
ex-CGN9 Long Beach Dismantlement and Disposal
Solicitation # N0002426R4164
Solicitation N00024-26-R-4164 is a Request for Proposal from NAVSEA HQ for the preparation, transport, dismantlement, and disposal of the ex-Long Beach (CGN 9) cruiser, including its defueled reactor plants. The scope of work requires the contractor to transport the vessel from PSNS&IMF in Bremerton, Washington, to a disposal site and perform complete dismantlement, including the scrapping of non-radioactive structures and the disposal of reactor vessels and hazardous materials. The project is scheduled for a period of performance from April 1, 2027, to September 30, 2032. The government will award one firm-fixed-price contract based on a best value tradeoff, where past performance is weighted more heavily than price, provided the technical and management approach is acceptable. The contract involves stringent security and regulatory requirements, specifically the protection of Unclassified Naval Nuclear Propulsion Information (U-NNPI) and compliance with NRC radiological regulations and DOT requirements. Offerors must provide a performance bond equal to 20 percent of the original contract price and ensure key personnel are U.S. citizens. Proposals must be submitted via PIEE in four separate volumes, including a technical proposal limited to 125 pages. Payment will be processed through the Wide Area WorkFlow (WAWF) system, with a performance-based payment structure that includes a 15 percent milestone for Navy Approval of Site Release for Unrestricted Use. Additionally, an incentive fee is applicable to CLIN 0004, subject to NRC-identified infractions and government discretion.
Navsea Hq

POSTED

about 11 hours ago

DEADLINE

in 11 days
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NAICS: 336611
New
Federal
DRYDOCK: USCGC WILLIAM CHADWICK DD FY2027
Solicitation # 70ZU0127PBPLWCHADWICK
The Department of Homeland Security, through the U.S. Coast Guard Surface Forces Logistics Center in Norfolk, Virginia, has issued a Sources Sought Notice under solicitation number 70ZU0127PBPLWCHADWICK. This notice is for market research purposes to identify capable contractors for drydock repairs of the USCGC WILLIAM CHADWICK (WPC-1150). The scope of work includes drydocking, temporary services for the cutter, and support for sea trial performance. All work is to be performed at the contractor's facility, and there are no geographical restrictions for the vessel. The anticipated period of performance is 119 calendar days, scheduled from June 8, 2027, to October 5, 2027, though this is subject to government discretion. The government is seeking information from a wide range of business concerns, including large businesses and various small business categories such as 8(a), HubZone, SDVOSB, VOSB, and WOSB. The applicable NAICS code is 336611 for Ship Building and Repairing, with a size standard of 1,300 employees. Interested respondents must provide company identification, business size certifications, past performance evidence for similar scopes of work, and a statement confirming their intent to submit a proposal as a prime contractor. Responses must be submitted via email to the designated point of contact by November 17, 2026. This notice does not constitute a formal solicitation, and evaluation factors or contract values have not yet been established.
CG-SEA-C21

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DEADLINE

in about 1 year
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NAICS: 336611
New
Federal
USS MAKIN ISLAND (LHD 8) FY28 Docking Selected Restricted Availability (DSRA) Request for Proposal(s)
Solicitation # N0002426R4421
The Naval Sea Systems Command (NAVSEA) is soliciting proposals for the USS MAKIN ISLAND (LHD 8) Fiscal Year 2028 Docking Selected Restricted Availability (DSRA). This Signature Availability is a comprehensive effort combining maintenance, modernization, and repair, requiring a contractor with substantial West Coast facilities, including a capable pier and dry-dock. The scope of work encompasses integrated production scheduling, structural welding, cabling, piping, electrical, and ventilation work, as well as overhauls of the propulsion plant, electric plant, and auxiliary systems. The government intends to award a single Firm-Fixed-Price contract in or before March 2027, with performance beginning in November 2027 and an expected completion date of October 30, 2029. The procurement will be awarded based on Best Value using trade-off source selection procedures. Evaluation factors include Technical Eligibility and Physical Resource Capacity, Past Performance, Manpower, Small Business Participation, Schedule and Execution Approach, and Price. Proposals must be submitted electronically via the Procurement Integrated Enterprise Environment (PIEE) by November 23, 2026. While the total contract value is not specified, the government estimates 211,989 direct labor hours and 9,547,892 dollars in materials for growth work, with a maximum available incentive of 15 million dollars for milestone events. Due to the complexity and magnitude of the requirement, this procurement is not set aside for small businesses.
Navsea Hq

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about 11 hours ago

DEADLINE

in 21 days
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NAICS: 336611
New
Federal
U.S. NAVY VESSEL - CASREPS - AC AND REEFER PLANT REPAIR
Solicitation # N6817127QN009
Solicitation N6817127QN009, issued by the Navsup Flc Sigonella Naples Office for the U.S. Navy, seeks a qualified Carrier system service provider to perform troubleshooting, diagnosis, and repair of a vessel's air conditioning and refrigeration plant. The scope of work includes restoring the A/C system to operational status, testing system components, and procuring necessary parts for the refrigeration plant. Performance will take place in Malaga, Spain, with a period of performance from November 16, 2026, through November 20, 2026. The work is governed by specific NAVSEA drawings and technical manuals, and the contractor must provide proof of ISO 9001 or 14001 certification for marine maintenance and repair services. Award will be granted based on the Lowest Price Technically Acceptable (LPTA) basis, where technical capability is rated as either acceptable or unacceptable. Qualified offerors must submit their quotes and technical documentation via email by November 9, 2026. The contract requires adherence to strict safety standards, particularly regarding high voltage electrical systems, and mandates electronic invoicing through Wide Area WorkFlow (WAWF). This is not a small business set-aside, and the contractor must comply with various FAR and DFARS clauses, including those related to hazardous materials labeling and vessel access.
Navsup Flc Sigonella Naples Office

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about 11 hours ago

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in 6 days
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