Federal contractor · YOKOSUKA

NIKKAI CORPORATION

NIKKAI CORPORATION received $5.3M in federal contract obligations in FY2026, on 13 awards (−59% vs FY2025). Since FY2017: $108.7M. Its largest customer was Department of the Navy ($5.3M).

Obligations · FY2026
$5.3M
New awards
13
Sole-source
0.0%
Single offer
12%
UEI
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Other than small business
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 14.3MFY2017
  2. 4.9MFY2018
  3. 14.1MFY2019
  4. 16.1MFY2020
  5. 9.2MFY2021
  6. 2.7MFY2022
  7. 15.3MFY2023
  8. 13.9MFY2024
  9. 12.9MFY2025
  10. 5.3MFY2026

Top buying agencies

Obligations in FY2026.

  1. Department of the Navy$5.3M100%
    13 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Construction & real property$5.2M99%
  2. Equipment maintenance$61.2K1.2%

Where the work was performed

  1. Abroad$5.3M100%

Integrity signals

Shares of the year's obligations, next to the country's.

  • Low competition12%
    US 39% · $618.2K
  • Sole-source awards0.0%
    US 30% · $0
  • Single-offer competitions12%
    US 8.7% · $618.2K
  • Urgency justifications0.0%
    US 5.1% · $0

A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.

Largest awards

  1. YSK-PW-SA-COMM, REPLACE MAIN WATER PIPE NEAR MAIN GATE$4.5M
    Department of the Navy· Construction & real property· Apr 29, 2024 – Jun 1, 2026· N4008424F4346
  2. YSK-DD4/YSK-DD5 REPLACE CAPSTAN CONTROL UNITS AT DD4 AND DD5$1.2M
    Department of the Navy· Construction & real property· Dec 2, 2025 – Dec 2, 2025· N4008426F4010
  3. YSK-DD6 REPLACE 200A COMPRESSED AIR LINE AT THE U.S. FLEET ACTIVITIES YOKOSUKA, JAPAN$1.2M
    Department of the Navy· Construction & real property· Apr 20, 2026 – Apr 20, 2026· N4008426F4235
  4. YSK-1938 OVERHAUL AIR-COMPRESSOR UNITS 2 AND 3 AND REWIND MOTOR$1M
    Department of the Navy· Construction & real property· Mar 13, 2026 – Apr 10, 2026· N4008426F4175
  5. EXERCISE 2ND OPTN$1M
    Department of the Navy· Construction & real property· Aug 1, 2025 – Dec 17, 2025· N4008425F0236
  6. YSK UTILITIES REPLACE SALT WATER VALVES$619.9K
    Department of the Navy· Construction & real property· Dec 22, 2023 – Oct 6, 2025· N4008424F4159
  7. OVERHAUL AND REPLACE PARTS OF THE CHILLER UNIT AT YSK-A47, EPRO.NO. 1923406$483.8K
    Department of the Navy· Construction & real property· Mar 4, 2026 – Mar 4, 2026· N4008426F4161
  8. YSK-3336 REPLACE CORRODED COVERED WALKWAY AT THE COMMANDER FLEET ACTIVITIES YOKOSUKA, JAPAN$244.3K
    Department of the Navy· Construction & real property· May 15, 2026 – May 15, 2026· N4008426F4277

Competitors

Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.

Compared on 6 markets (agency × industry), FY2024–FY2026.

  1. ICON SI (AUST) PTY LTD$30.2M+302,290% in FY2026
    RICHMOND, AUS · 92% of this company's obligations are in markets they both serveNavy · Nonresidential building construction
  2. RELIABLE BUILDERS INC$29.4M−103% in FY2026
    TAMUNING, GU · 89% of this company's obligations are in markets they both serveNavy · Nonresidential building construction
  3. TODA-NUDP JV$27.2M−100% in FY2026
    GINOWAN, JPN · 85% of this company's obligations are in markets they both serveNavy · Nonresidential building construction

Showing the top 3 of 25 competitors. Open the profile for the full list.

Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 9, 2026, loaded Oct 9, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 9, 2026, loaded Oct 9, 2026.