Masumoto Sekiyu K.K.
Sasebo, Nagasaki
- UEI
- L3S2ECN78JJ9
- CAGE
- JS7H4
- Primary NAICS
- 811191 Automotive Oil Change and Lubrication Shops
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- International Organization
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 2-29 Matsuurachō, Sasebo, Nagasaki 857-0052, Japan
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $110,701 |
| FY2025 | $114,278 |
| FY2024 | $116,953 |
| FY2023 | $134,561 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $110,701 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| N4008425P6001 | Naval Facilities Engineering Command (Navy) | $224,979 | |
| FY24 FJ1 diesel fuel | Naval Supply Systems Command (Navy) | $116,953 | |
| FY23 FJ1 diesel fuel | Naval Supply Systems Command (Navy) | $134,561 | |
| FJ1 diesel fuel | Naval Supply Systems Command (Navy) | $124,445 | |
| FJ1 diesel fuel | Naval Supply Systems Command (Navy) | $112,240 |
Latest 5 listed here. See the rest on GovTribe.
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About the company
Masumoto Sekiyu K.K. is a for-profit organization based in Sasebo, Nagasaki, Japan, registered in the System for Award Management (SAM.gov) since October 5, 2007, with registration valid through June 2, 2026. The company has established itself as a reliable vendor for the U.S. Navy, specifically providing critical fuel support to military installations in Japan. While detailed background information about the company is limited in the provided documentation, its consistent engagement with the U.S. Navy suggests a specialized role in supporting military logistics and fuel supply operations in the Japanese theater.
Over the past five years, Masumoto Sekiyu K.K. has maintained an ongoing contractual relationship with the Naval Facilities Engineering Command (NAVFAC) and Navy Installations Command, exclusively providing FJ1 diesel fuel through annual purchase order contracts. These contracts, ranging in value from $112,240.39 to $134,560.54, have been consistently awarded without any specific set-aside designations. The fuel delivery contracts are firm fixed-price purchase orders with performance periods typically spanning from December to the following November, demonstrating a predictable and structured procurement approach. Each contract supports U.S. military facilities in Japan, with the most recent award dated March 10, 2025, for a contract valued at $114,278.03 and covering the period from March 10, 2025, to March 10, 2026. The company has been awarded these contracts as a prime vendor with no mentioned subcontractors, indicating a direct and essential role in supporting U.S. military fuel requirements in the region.
Quick answers
Is Masumoto Sekiyu K.K. registered in SAM.gov?
Yes. Masumoto Sekiyu K.K.'s SAM.gov registration is active through June 2, 2027.
What is Masumoto Sekiyu K.K.'s CAGE code?
Masumoto Sekiyu K.K.'s CAGE code is JS7H4, and its Unique Entity ID (UEI) is L3S2ECN78JJ9.
How much has Masumoto Sekiyu K.K. received in federal contracts?
Federal contracts obligated $114,278 to Masumoto Sekiyu K.K. in fiscal year 2025 and $476,492 in fiscal years 2023 through 2027.
How does Masumoto Sekiyu K.K. rank among federal contractors?
Masumoto Sekiyu K.K. ranked #19 in PSC S204 in FY2025.
What is Masumoto Sekiyu K.K.'s most recent federal award?
Masumoto Sekiyu K.K.'s most recent federal contract award is N4008425P6001, from Naval Facilities Engineering Command (Navy), on March 10, 2025.
On GovTribe
See Masumoto Sekiyu K.K.'s full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
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