Overview
- Legal name
- NPK CO.,LTD.
- Registered location
- KANAZAWA-KU YOKOHAMA-SHI, JPN
- Website
- Company website ↗
- Primary NAICS
- 236210 — Industrial Building Construction
- Latest award activity
- May 30, 2026
Read company summary
NPK CO.,LTD. is associated with UEI DJK9Q7JECLS5 and CAGE J6422 in public federal records. AcornBids currently links 16 prime awards totaling $19.3M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Commercial and Institutional Building Construction; Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 236210 (Industrial Building Construction). Its public SAM.gov registration lists KANAZAWA-KU YOKOHAMA-SHI, JPN.
At a glance
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 9, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- NPK CO.,LTD.
- UEI
- DJK9Q7JECLS5
- CAGE
- J6422
- Registered address
- 3175, SHOWA-MACHI, KANAZAWA-KU YOKOHAMA-SHI, 236-0001, JPN
- Registration status
- Active
- Primary NAICS
- 236210 — Industrial Building Construction
- SAM activation
- Mar 27, 2026
- Initial registration
- Jan 29, 2004
- Entity start
- Feb 2, 1972
- SAM updated
- Mar 27, 2026
- Registration expires
- Mar 26, 2027
- Fiscal year end
- Mar 31
- Place of incorporation
- JPN
Research brief
Source facts
- Loaded prime-award records link 16 awards and $19,268,755 in reported obligations to this legal entity. Source
- Recorded awards include Commercial and Institutional Building Construction (NAICS 236220); this classification is not proof of every company capability. Source
- An example award describes: REPAIR SNAKE CONVEYER IN INDUSTRIAL WASTEWATER TREATMENT PLANT, BLDG.175-27, SAGAMI GENERAL DEPOT, JAPAN Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 16 of 16 selected awards. Select a period to explore its awards.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| FA520926P0020REPAIR SNAKE CONVEYER IN INDUSTRIAL WASTEWATER TREATMENT PLANT, BLDG.175-27, SAGAMI GENERAL DEPOT, JAPAN | Department of Defense | $26.6K | May 27, 2026 | May 26, 2027 |
| FA520925F0162PROJECT NO. B-24-204, REPAIR SEWAGE TREATMENT PLANT, BUILDING 16 AT SAGAMIHARA FAMILY HOUSING AREA. REFER TO ATTACHMENTS IN SECTION J. | Department of Defense | $4.8M | Jul 28, 2025 | Jul 14, 2027 |
| FA520924F0216INDEFINITE-DELIVERY/INDEFINITE-QUANTITY (IDIQ) MULTIPLE AWARD CONSTRUCTION CONTRACT (MACC), U.S. ARMY INSTALLATIONS WITHIN HONSHU, JAPAN AND YOKOTA AIR BASE AND ITS… | Department of Defense | $1.5M | Jul 31, 2024 | Feb 12, 2026 |
| FA520926F0117A-25-107, REPAIR WASTEWATER TREATMENT PLANT, BLDG 624 AT CAMP ZAMA (DESIGN- BUILD) | Department of Defense | $6.6M | Jul 7, 2026 | Jun 28, 2028 |
| N4008425F4218MINIMUM GUARANTEE MINI MACC | Department of Defense | $0 | Mar 6, 2025 | Mar 4, 2030 |
| FA520926F0108A-26-108, REPAIR KITCHENETTE, UPH, BLDG 585 AT CAMP ZAMA | Department of Defense | $592.9K | Jun 28, 2026 | Aug 22, 2027 |
| N4008426F4216URA-8700800 NMC CHANGE EXISTING BOILER TO NEW HOT WATER TANK AT NMCPAC EAD UNIT YOKOSUKA, JAPAN | Department of Defense | $634.8K | Apr 13, 2026 | Dec 9, 2026 |
| N4008425F0053YSK-H12 REPLACE 3 EACH PACKAGE AIR CONDITIONING UNITS AND RELATED EACH INSIDE UNITS | Department of Defense | $370.5K | May 28, 2025 | Dec 24, 2025 |
| FA520924F0113INDEFINITE-DELIVERY/INDEFINITE-QUANTITY (IDIQ) MULTIPLE AWARD CONSTRUCTION CONTRACT (MACC), U.S. ARMY INSTALLATIONS WITHIN HONSHU, JAPAN AND YOKOTA AIR BASE AND ITS… | Department of Defense | $365.1K | Jun 18, 2024 | Sep 11, 2025 |
| N4008425F4005YSK-B4818 REPLACE ROOF FOR CENSECFOR | Department of Defense | $734.2K | Nov 20, 2024 | Oct 17, 2025 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Mar 27, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jan 29, 2004 |
| Entity start | Feb 2, 1972 |
| Industry | Reported size status |
|---|---|
| 236117 — New Housing For-Sale Builders | Not reported |
| 236210 — Industrial Building Construction | Not reported |
| 236220 — Commercial and Institutional Building Construction | Not reported |
| 237110 — Water and Sewer Line and Related Structures Construction | Not reported |
| 237120 — Oil and Gas Pipeline and Related Structures Construction | Not reported |
| 237130 — Power and Communication Line and Related Structures Construction | Not reported |
| 238130 — Framing Contractors | Not reported |
| 238140 — Masonry Contractors | Not reported |
| 238150 — Glass and Glazing Contractors | Not reported |
| 238160 — Roofing Contractors | Not reported |
| 238170 — Siding Contractors | Not reported |
| 238210 — Electrical Contractors and Other Wiring Installation Contractors | Not reported |
| 238220 — Plumbing, Heating, and Air-Conditioning Contractors | Not reported |
| 238310 — Drywall and Insulation Contractors | Not reported |
| 238320 — Painting and Wall Covering Contractors | Not reported |
| 238330 — Flooring Contractors | Not reported |
| 238340 — Tile and Terrazzo Contractors | Not reported |
| 238390 — Other Building Finishing Contractors | Not reported |
| 238910 — Site Preparation Contractors | Not reported |
| 238990 — All Other Specialty Trade Contractors | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| SEIJI HORI | Government business | Contact method not published | SAM registration | Not available |
| SEIJI HORI | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 236117 — New Housing For-Sale Builders
- 236210 — Industrial Building Construction
- 236220 — Commercial and Institutional Building Construction
- 237110 — Water and Sewer Line and Related Structures Construction
- 237120 — Oil and Gas Pipeline and Related Structures Construction
- 237130 — Power and Communication Line and Related Structures Construction
- 238130 — Framing Contractors
- 238140 — Masonry Contractors
- 238150 — Glass and Glazing Contractors
- 238160 — Roofing Contractors
- 238170 — Siding Contractors
- 238210 — Electrical Contractors and Other Wiring Installation Contractors
- 238220 — Plumbing, Heating, and Air-Conditioning Contractors
- 238310 — Drywall and Insulation Contractors
- 238320 — Painting and Wall Covering Contractors
- 238330 — Flooring Contractors
- 238340 — Tile and Terrazzo Contractors
- 238390 — Other Building Finishing Contractors
- 238910 — Site Preparation Contractors
- 238990 — All Other Specialty Trade Contractors
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Related companies worth researching
Explore the customer, work and award-size evidence behind each match.
About NPK CO.,LTD.
What products and services appear in its federal awards?
Recorded award industries: 236220 — Commercial and Institutional Building Construction; 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
Recorded products and services: Z2PD — REPAIR OR ALTERATION OF WASTE TREATMENT AND STORAGE FACILITIES; Z2AA — REPAIR OR ALTERATION OF OFFICE BUILDINGS; Z2NZ — REPAIR OR ALTERATION OF OTHER UTILITIES.
Examples from recent award records:
- REPAIR SNAKE CONVEYER IN INDUSTRIAL WASTEWATER TREATMENT PLANT, BLDG.175-27, SAGAMI GENERAL DEPOT, JAPAN
- PROJECT NO. B-24-204, REPAIR SEWAGE TREATMENT PLANT, BUILDING 16 AT SAGAMIHARA FAMILY HOUSING AREA. REFER TO ATTACHMENTS IN SECTION J.
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
3175, SHOWA-MACHI, KANAZAWA-KU YOKOHAMA-SHI 236-0001, JPN
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
236210 — Industrial Building Construction.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Department of Defense.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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