Iwakuni City Waterworks Bureau
Iwakuni, Yamaguchi Part of Iwakuni City
- UEI
- C182HG86TX58
- CAGE
- SU534, JS5U4
- Primary NAICS
- 221310 Water Supply and Irrigation Systems
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Entity structure
- Country - Foreign Government
- Corporate family
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Parent
Iwakuni, Yamaguchi
RRMSXAXFMS78
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Parent
Iwakuni, Yamaguchi
RRMSXAXFMS78
- SAM.gov registration date
- Physical address
- Yamatemachi, Iwakuni, Yamaguchi 740-0022, 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 | $3,225,875 |
| FY2025 | $3,110,994 |
| FY2024 | $2,971,368 |
| FY2023 | $2,649,607 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $3,225,875 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Water iwakuni | Pacific Air Forces (USAF) | $1,608,404 | |
| Water iwakuni | Pacific Air Forces (USAF) | $1,617,471 | |
| Water iwakuni | Pacific Air Forces (USAF) | $1,606,511 | |
| Water iwakuni | Pacific Air Forces (USAF) | $1,504,483 | |
| Water iwakuni | Pacific Air Forces (USAF) | $1,466,890 |
Latest 5 listed here. See the rest on GovTribe.
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| Gotemba City Waterworks | Gotemba, Shizuoka | 221310 Water Supply and Irrigation Systems |
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About the company
Iwakuni City Waterworks Bureau is a foreign government entity and subsidiary of Iwakuni City located in Yamatemachi, Iwakuni, Yamaguchi Prefecture, Japan. The bureau has maintained federal contracting capabilities since its registration in the System for Award Management (SAM.gov) in December 2003, with its current registration set to expire on February 4, 2026. As a specialized municipal water utility, Iwakuni City Waterworks Bureau provides essential potable water distribution and infrastructure support services to support U.S. military operations in the Pacific region, specifically serving Marine Corps Air Station Iwakuni and related U.S. military installations throughout the Iwakuni area.
Since 2021, Iwakuni City Waterworks Bureau has received ten consecutive firm fixed price delivery order contracts from the United States Marine Corps, with contract values ranging from approximately $1.2 million to $1.66 million per award. All contracts are structured as delivery orders with no set-aside designations, reflecting the specialized and sole-source nature of services provided by this foreign government entity. The contracts uniformly address water distribution, treatment, and related infrastructure support services necessary to maintain potable water supply to U.S. military facilities in Japan. Each delivery order maintains an ultimate completion date of September 30, 2035, demonstrating the long-term, recurring nature of the relationship and the critical importance of these water services to sustained Marine Corps operations. The consistent annual contract awards—occurring on April 1 and October 1 of each year—indicate a well-established contractual framework between the Marine Corps and Iwakuni City Waterworks Bureau, with no subcontractors identified in any of the awards and no cost reduction or set-aside provisions applied.
Quick answers
Is Iwakuni City Waterworks Bureau registered in SAM.gov?
Yes. Iwakuni City Waterworks Bureau's SAM.gov registration is active through January 28, 2027.
How much has Iwakuni City Waterworks Bureau received in federal contracts?
Federal contracts obligated $3,110,994 to Iwakuni City Waterworks Bureau in fiscal year 2025 and $11,957,844 in fiscal years 2023 through 2027.
How does Iwakuni City Waterworks Bureau rank among federal contractors?
Iwakuni City Waterworks Bureau ranked #2 in NAICS 312, #4 in PSC 4610 and #6 in PSC 46 in FY2025.
What is Iwakuni City Waterworks Bureau's most recent federal award?
Iwakuni City Waterworks Bureau's most recent federal contract award is Water iwakuni (FA520926F9147), from Pacific Air Forces (USAF), on April 1, 2026.
On GovTribe
See Iwakuni City Waterworks Bureau's full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors