Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 14 at 2:00 PM ET

Register Free →

Search

Top

RYUSEKI CORPORATION

Parent3 subsidiariesUEI: F64MZW4Z71P9CAGE: J7310

RYUSEKI CORPORATION is a federal contractor, registered under UEI F64MZW4Z71P9 and CAGE code J7310. It has been awarded $176,834,180 in federal contracts. Primary work spans Petroleum Refineries, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals), and Unknown NAICS. Top awarding agencies include Department Of Defense and Other agencies (1 agencies, <0.5% each).

Contact Information

Registration and classification details

Websitehttp://www.ryuseki.co.jp/

Address123 Main St, City, ST 12345

Registration

UEI Code

F64MZW4Z71P9

CAGE Code

J7310

Entity Structure

Corporate Entity (Tax Exempt)

Established

N/A

Business Classifications

For Profit Organization

NAICS Codes

424720Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

457210Fuel Dealers(Primary)

Subsidiaries

3 companies roll up into RYUSEKI CORPORATION, sized by each one's own awards

Award distribution

$27.8M

Okinawa Marine Service CO.,LTD.$27.6M Ryuseki Corporation$130.7K Ryuseki Energy, K.K.$17.6K

1Okinawa Marine Service CO.,LTD.UEI MNFFN3FK4FG8$27.6M99.5%2Ryuseki CorporationUEI RLAPKQADSK76$130.7K0.5%3Ryuseki Energy, K.K.UEI XWVKEDX3BLY6$17.6K0.1%

Compete with RYUSEKI CORPORATION

Track the contractors you bid against, and the work they win

Award history, agency mix, and NAICS coverage for RYUSEKI CORPORATION

AI-powered matching against your own capabilities and past performance

Teaming and subcontracting signals on every award

Automated alerts when a competitor wins in your market

Join 750+ contractors already using CLEATUS

Open opportunities in RYUSEKI CORPORATION's top NAICS codes and agencies

FJI Diesel Fuel Supplier (JIS K2204)This subcontract involves the supply of FJI Diesel fuel for prime contractors working on Navfacsyscom Far East projects located in Sasebo, Japan. The scope of work requires the delivery of up to 75,700 liters of fuel specifically intended for use in hot water heaters, fire pumps, and emergency generators. All provided fuel must strictly adhere to JIS K2204-1997-1-GO specifications and maintain a maximum pour point of -2.5 degrees Celsius. The supplier is responsible for certifying both the fuel grade and the pour point compliance to ensure operational safety and efficiency.

Navfacsyscom Far East

POSTED

DEADLINE

in about 1 month

Supply of InterfaceFLOR Compliant Cleaning SolutionsThis subcontract agreement concerns the supply of manufacturer-approved cleaning compounds for prime contractors working on City of Oshawa municipal facility projects. The selected provider must be an authorized distributor or supplier capable of delivering cleaning solutions that strictly adhere to the InterfaceFLOR Maintenance Specification Guide. All specified cleaning chemicals are to be delivered directly to the project sites on an F.O.B. Destination basis. Interested parties must submit their responses by the deadline of October 22, 2026, to ensure compliance with the procurement requirements for these specialized maintenance materials.

POSTED

DEADLINE

Ethanol Blend Super SupplierThis subcontract, managed by DAS Procurement for the State of Connecticut, involves the supply and bulk delivery of Ethanol Blend Super fuel to support prime contractors on CTtransit HNS Division projects. The selected supplier is responsible for transporting the fuel via tankers and delivery trucks to designated transit depots located in Hartford, New Haven, and Stamford, where the fuel will be discharged into storage tanks. The contractor must strictly adhere to all ethanol blend specifications and maintain rigorous safety standards for the transport of flammable liquids. Interested parties must submit their responses by October 28, 2026, in accordance with the solicitation posted on October 8, 2026.

DAS Procurement

POSTED

DEADLINE

Reformulated Gasoline SupplierThis subcontract opportunity, managed by DAS Procurement for the State of Connecticut, seeks a supplier to provide and deliver reformulated gasoline for prime contractors working on CTtransit HNS Division projects. The selected vendor will be responsible for the bulk transport and delivery of fuel using tankers and delivery trucks to designated transit depots located in Hartford, New Haven, and Stamford. The supplier must ensure that all gasoline delivered into storage tanks meets strict EPA and State of Connecticut environmental standards for reformulated gasoline. Interested parties should note that the response deadline for this solicitation is October 28, 2026.

DAS Procurement

POSTED

DEADLINE

Diesel Fuel SupplierThis subcontract opportunity, managed by DAS Procurement for the State of Connecticut, seeks a diesel fuel supplier to support prime contractors on CTtransit HNS Division projects. The selected provider will be responsible for the bulk transport and delivery of diesel fuel to designated transit depots located in Hartford, New Haven, and Stamford. Using specialized fuel tankers and delivery trucks, the supplier must ensure all fuel meets strict state and federal specifications, while maintaining full compliance with Connecticut fuel quality standards and environmental regulations. The scope of work specifically involves the delivery of fuel directly into storage tanks. Interested parties should note that the response deadline for this solicitation is October 28, 2026, at 2:00 PM. This procurement falls under NAICS code 424720 and is coordinated through the CTSource Bid Board.

DAS Procurement

POSTED

DEADLINE

Solicitation # 03-27

CTtransit, through The H.N.S. Management Company, Inc., is soliciting bids under solicitation number 03-27 for the supply of diesel fuel, reformulated gasoline, and Ethanol Blend Super. These fuel supplies are intended for use by the HNS Divisions and other participating agencies within the state of Connecticut. The procurement is managed by DAS Procurement, with Greg Chapin serving as the primary point of contact and Purchasing and Contracts Officer. Prospective bidders must individually register via the CTtransit website to obtain the full procurement package and any subsequent addendums. Bids must be clearly marked as Bid 03-27 Fuel and submitted by October 28, 2026, at 10:00 AM. CTtransit expects that any existing pricing established through State of Connecticut or RATP Dev contracts for these services be extended within the proposal.

DAS Procurement

POSTED

DEADLINE

Industrial Gas Supplier (Acetylene, Oxygen, Argon, Nitrogen, Propane)This subcontract agreement involves the supply and delivery of industrial gases for prime contractors working on Northeast Ohio Regional Sewer District facility projects. The scope of work includes providing Acetylene, Oxygen, Argon, Nitrogen, Propane, and Argon/CO2 mixtures in capacities ranging from 20 to 755 cubic feet. The supplier is responsible for delivering filled cylinders to specific points of use, picking up empty cylinders, performing necessary cylinder maintenance, and providing Certificates of Analysis. A critical requirement of the contract is the ability to provide emergency deliveries within a four hour window. Managed by the Technical Services Group in Ohio under NAICS code 424720, the solicitation was posted on October 8, 2026, with a response deadline of November 3, 2026.

Technical Services Group

POSTED

DEADLINE

Bulk Unleaded Fuel SupplierThis subcontract agreement establishes a partnership for the supply and delivery of bulk unleaded fuel to support prime contractors on Salt Lake County Division of Fleet Management projects. The selected supplier is responsible for F.O.B. Destination delivery to various county sites utilizing bulk fuel transport tankers, ensuring all fuel provided meets Utah State standards. The contractor must maintain strict adherence to the Clean Air Act, Clean Water Act, and Davis-Bacon Act. Additionally, the supplier is tasked with managing fuel spillage cleanup and is required to report any spills that exceed 25 gallons. This opportunity is categorized under NAICS code 424720 and is managed by the state of Utah.

POSTED

DEADLINE

Bulk Diesel Fuel SupplierThis subcontract involves the supply and delivery of bulk diesel fuel for prime contractors working on Salt Lake County Division of Fleet Management projects. The selected supplier is responsible for F.O.B. Destination delivery to various county sites using bulk fuel transport tankers, ensuring all fuel meets Utah State standards. Additionally, the supplier must manage fuel spillage cleanup and formally report any spills that exceed 25 gallons. The contract requires strict adherence to federal regulations, including the Clean Air Act, Clean Water Act, and the Davis-Bacon Act. This opportunity is categorized under NAICS code 424720 and is managed by the state of Utah, with a response deadline set for December 31, 2026.

POSTED

DEADLINE

Supplier of Specialized Industrial Pump LubricantsThis subcontract agreement establishes the procurement of high-performance industrial oils and gear lubricants to support prime contractors working on Gwinnett County Government FWH Pump Filter projects. The supplier is responsible for sourcing and delivering Mobil Gear600 XP320 and Mobil SHC Cibus32 in both quart and five-gallon containers specifically to the F. Wayne Hill WRC. To comply with the contract terms, the supplier must provide a signed and notarized Contractor Affidavit in accordance with the Georgia Illegal Immigration Reform Enhancements. This procurement falls under NAICS code 424720 and is managed through the Gwinnett County Government in Georgia.

Gwinnett County Government

POSTED

DEADLINE

Janitorial Chemicals and Consumables SupplierThis subcontract agreement establishes a partnership for the supply of janitorial chemicals and consumables to support prime contractors working on City of Cambridge Water Department facility projects. The scope of work includes the provision of industrial-grade disinfectants, streak-free glass cleaners, high-shine finishes, and slip-resistant floor seals. To ensure operational safety and legal compliance, the supplier is responsible for delivering all necessary Material Safety Data Sheets for hazardous substances in accordance with Massachusetts Safety Codes. Managed by the Massachusetts Purchasing agency under NAICS code 424720, the solicitation was posted on October 8, 2026, with a response deadline of October 29, 2026. The contract focuses on the seamless delivery of both physical cleaning supplies and the critical safety documentation required for facility maintenance projects within the city.

POSTED

DEADLINE

Vessel Fuel Supply (Bunkering Services)This subcontract opportunity, managed by the Department of Defense under Ustranscom-Aq, involves the provision of bunkering services to supply marine diesel or equivalent fuel for towing vessels supporting DLA Energy projects. The selected provider will be responsible for delivering fuel to prime contractor vessels either directly at port or through the use of bunkering barges. The contractor must ensure strict adherence to all environmental and safety regulations governing fuel transfers conducted both at sea and within port facilities. This requirement falls under NAICS code 424720, with a response deadline set for November 9, 2026.

POSTED

DEADLINE

in about 1 month

Commercial Gasoline SupplierThis subcontract opportunity with DLA Energy seeks a Commercial Gasoline Supplier to provide standard and reformulated unleaded gasolines for prime contractors. The scope of work includes the sourcing and delivery of Regular, Midgrade, and Premium Unleaded fuels, as well as Reformulated Gasolines and Gasohol. All provided fuels must strictly adhere to EPA Reformulated Gasoline standards to ensure regulatory compliance. The project falls under NAICS code 424720 and is designated as a partial Small Business Set Aside. Interested parties must submit their responses by October 22, 2026, to support the Department of Defense in meeting its gasoline volume requirements.

POSTED

DEADLINE

Diesel and Burner Fuel SupplierThis subcontract opportunity with DLA Energy under the Department of Defense involves the sourcing and bulk delivery of various fuel grades to support prime contractors. The scope of work includes the provision of ultra-low sulfur diesel variants such as DS1, DS2, DSS, and DSW, as well as biodiesel, burner fuel oils FS1 and FS2, kerosene KS1N, and marine gas oil. All supplied products must strictly adhere to established environmental and marine fuel specifications. Classified under NAICS code 424720, this requirement is a partial small business set-aside. Interested parties should note the posting date of October 8, 2026, with a response deadline set for October 22, 2026. The contract focuses on the reliable logistics and delivery of critical energy resources to meet agency operational needs.

POSTED

DEADLINE

Aviation and Specialty Fuel SupplierThis subcontract opportunity with DLA Energy involves the supply of specialized aviation and high-ethanol fuels to support prime contractors. The scope of work includes the sourcing, quality testing, and delivery of Avgas 130, Turbine Fuel Aviation JAA, and E85 Ethanol, all of which must strictly adhere to military aviation fuel specifications. The project falls under NAICS code 424720 and is designated as a partial Small Business Set Aside. Interested parties must submit their responses by October 22, 2026, to provide the required fuel volumes for the Department of Defense.

POSTED

DEADLINE

F76 and JP5 Fuel SupplyThis subcontract, managed by the Department of Defense through Mschq Norfolk, requires the supply of high-grade clean petroleum products for prime contractors supporting Military Sealift Command transport projects. The scope of work involves providing a minimum of 240,000 barrels of F76 and/or JP5 fuel, ensuring all deliveries meet rigorous military specifications for purity and quality. The performance of this contract will take place in Hakozaki, with the primary requirement being the successful loading of the specified fuel volumes onto designated vessels. Interested parties should note the response deadline of October 15, 2026, and the associated NAICS code 424720 for petroleum and petroleum products merchant wholesalers.

POSTED

DEADLINE

Sources Sought Notice SPE605-27-RFI-1001 PC&S COG 3

Solicitation # SPE605-27-RFI-1001

The Defense Logistics Agency (DLA) Energy has issued Sources Sought Notice SPE605-27-RFI-1001 to identify qualified large and small businesses capable of providing ground fuels for customers across Virginia, Maryland, District of Columbia, Delaware, West Virginia, Kentucky, Tennessee, Indiana, and Ohio. This request is for information and planning purposes only and is not a binding solicitation. The expected period of performance for the resulting requirement is from August 1, 2027, to August 31, 2030. The procurement covers a wide array of fuel products, including various grades of unleaded and reformulated gasoline, ultra-low sulfur diesel variants, biodiesel, aviation turbine fuel, Avgas, kerosene, marine gas oil, and burner fuel oil. Interested respondents must submit their company details, technical capabilities, socioeconomic status, and refinery information by October 22, 2026, at 9:00 AM Eastern Time. Additionally, all interested parties must ensure their company status is correctly identified under NAICS code 324110 in the System for Award Management (SAM) website.

POSTED

DEADLINE

Supply of Heavy-Duty Granular Absorbent CleanerThis subcontract involves the supply of 125 units of heavy-duty granular absorbent cleaner for prime contractors working on Nashville Electric Service projects. The required material must be non-combustible, non-carcinogenic, and capable of encapsulating more than 600 percent of its own weight in liquids. It is intended for the cleanup of chemical, petroleum, paint, and bodily fluid spills and must be JaxxZorb or an approved equivalent that complies with RCRA regulations. The selected provider is responsible for delivering the 125 units to Nashville, Tennessee. This procurement falls under NAICS code 424720 and is associated with the Nashville Electric Service in Tennessee.

Nashville Electric Service

POSTED

DEADLINE