NIKKAI CORPORATION

YOKOSUKA, 23800

Unclaimed

Prime contracting experience

31 records from government sources. Past participation is not evidence of current teaming interest.

Role	Agency	Description	Vehicle	Obligated	Action date	Period
Prime	Department of Defense Department of the Navy	YSK-PW-SA-COMM, REPLACE MAIN WATER PIPE NEAR MAIN GATE N4008424F4346USAspending	N4008423D0081USAspending	$4,507,438	Jun 1, 2026	Apr 29, 2024 – Jul 31, 2026
Prime	Department of Defense Department of the Navy	YSK-DD6 REPLACE 200A COMPRESSED AIR LINE AT THE U.S. FLEET ACTIVITIES YOKOSUKA, JAPAN N4008426F4235USAspending	N4008425D0005USAspending	$1,163,243	Apr 20, 2026	Apr 20, 2026 – Apr 10, 2028
Prime	Department of Defense Department of the Navy	YSK-1938 OVERHAUL AIR-COMPRESSOR UNITS 2 AND 3 AND REWIND MOTOR N4008426F4175USAspending	N4008425D0005USAspending	$1,043,595	Apr 10, 2026	Mar 13, 2026 – May 7, 2027
Prime	Department of Defense Department of the Navy	OVERHAUL AND REPLACE PARTS OF THE CHILLER UNIT AT YSK-A47, EPRO.NO. 1923406 N4008426F4161USAspending	N4008425D0412USAspending	$483,811	Mar 4, 2026	Mar 4, 2026 – Feb 22, 2028
Prime	Department of Defense Department of the Navy	EXERCISE 2ND OPTN N4008425F0236USAspending	N4008423D0414USAspending	$1,039,281	Dec 17, 2025	Sep 12, 2025 – Sep 11, 2026
Prime	Department of Defense Department of the Navy	YSK-DD4/YSK-DD5 REPLACE CAPSTAN CONTROL UNITS AT DD4 AND DD5 N4008426F4010USAspending	N4008425D0005USAspending	$1,163,243	Dec 2, 2025	Dec 3, 2025 – Sep 29, 2026
Prime	Department of Defense Department of the Navy	YSK UTILITIES REPLACE SALT WATER VALVES N4008424F4159USAspending	N4008419D0077USAspending	$619,911	Oct 6, 2025	Jan 4, 2024 – Jul 1, 2026
Prime	Department of Defense Department of the Navy	YSK-A64, REPAIR PUMP HOUSE FOR DD4 AND DD5 AT U.S. FLEET ACTIVITIES, YOKOSUKA, JAPAN N4008425F0164USAspending	N4008423D0081USAspending	$11,527,987	Aug 4, 2025	Jun 30, 2025 – Aug 19, 2027
Prime	Department of Defense Department of the Navy	YSK-A10, REPLACE AUXILIARY PUMPS AP-1 AND AP-2 N4008423F4800USAspending	N4008419D0077USAspending	$1,317,525	Jul 15, 2025	Aug 30, 2023 – May 16, 2026
Prime	Department of Defense Department of the Navy	YSK-1803 FLCY REPLACE ROOF N4008423F4651USAspending	N4008419D0077USAspending	$2,654,841	May 29, 2025	Jul 26, 2023 – Apr 16, 2025
Prime	Department of Defense Department of the Navy	SEED PROJECT YSK-2046-SRF-REPLACE AIR CONDITIONING SYSTEM N4008423F4582USAspending	N4008423D0081USAspending	$6,183,096	Apr 14, 2025	Jun 30, 2023 – Mar 3, 2026
Prime	Department of Defense Department of the Navy	YSK-J6, SRF-COMPLETE RESTORATION OF PUMP STATION N4008423F4401USAspending	N4008419D0077USAspending	$1,392,493	Mar 25, 2025	Apr 20, 2023 – Dec 23, 2024
Prime	Department of Defense Department of the Navy	YSK-4834, REPLACE STRUCTURAL ASSEMBLIES ON 3 TRAINERS AT THE U.S. FLEET ACTIVITIES YOKOSUKA, JAPAN N4008424F4467USAspending	N4008423D0081USAspending	$1,302,916	Mar 21, 2025	May 30, 2024 – Mar 6, 2025
Prime	Department of Defense Department of the Navy	YSK-J6 REPLACE THE ACTUATOR UNIT OF SLUICE GATE VALVES N4008425F4217USAspending	N4008425D0005USAspending	$391,128	Mar 6, 2025	Mar 6, 2025 – Apr 10, 2026
Prime	Department of Defense Department of the Navy	X001 IKE-608, INSTALL NEW BOILER MONITORING SYSTEM N4008424F4227USAspending	N4008423D0081USAspending	$902,517	Feb 19, 2025	Mar 15, 2024 – Apr 18, 2025
Prime	Department of Defense Department of the Navy	YSK-3154 REPLACE FULL HVAC SYSTEM (BIG MACC TO) N4008424F4039USAspending	N4008419D0077USAspending	$6,697,468	Dec 3, 2024	Mar 28, 2024 – Jul 27, 2026
Prime	Department of Defense Department of the Navy	FUND OBLIGATION FOR 1ST OPTION (9/12/24-9/11/25) N4008424F4451USAspending	N4008423D0414USAspending	$336,271	Aug 5, 2024	Sep 12, 2024 – Sep 11, 2025
Prime	Department of Defense Department of the Navy	AZU-ROAD/URATC2, RPR EROSION N4008423F4182USAspending	N4008419D0077USAspending	$1,342,657	May 2, 2024	Feb 2, 2023 – Jun 26, 2024
Prime	Department of Defense Department of the Navy	YSK-A37, RENOVATE VARIOUS SPACES ON THE 1ST-2ND-3RD FLOORS N4008423F4409USAspending	N4008419D0077USAspending	$1,014,451	Apr 2, 2024	May 2, 2023 – Nov 28, 2023
Prime	Department of Defense Department of the Navy	IGF::OT::IGF MINIMACC 4TH OPTN, YSK-1879, REPLACE 250A STEAM LINE AT THE COMMANDER FLEET ACTIVITIES YOKOSUKA, JAPAN N4008419F4049USAspending	N4008414D0117USAspending	$896,007	Jan 24, 2024	Nov 19, 2018 – May 18, 2019
Prime	Department of Defense Department of the Navy	NON-RECURRING, ONE-TIME SERVICES. REPAIR AND INSPECT BOILER WATER TUBES AT YSK-A43 AND J209, CFAY, JAPAN WITHIN 720 CALENDAR DAYS AFTER DATE OF ORDER. N4008423C0411USAspending	—	$281,761	Sep 21, 2023	Sep 21, 2023 – Sep 10, 2025
Prime	Department of Defense Department of the Navy	FUND OBLIGATION FOR BASIC PERIOD N4008423F4821USAspending	N4008423D0414USAspending	$485,334	Sep 12, 2023	Sep 12, 2023 – Sep 11, 2024
Prime	Department of Defense Department of the Navy	IDIQ, 4TH OPTION PERIOD N4008422F4421USAspending	N4008418D0408USAspending	$429,380	Jun 29, 2023	Sep 28, 2022 – Sep 30, 2023
Prime	Department of Defense Department of the Navy	PROVIDE A/C SYSTEM AT ROOM 113 AND 115 N4008423C0101USAspending	—	$363,942	May 4, 2023	Nov 15, 2022 – Jul 15, 2023
Prime	Department of Defense Department of the Navy	X013 SRF-YSK-DD6, VARIOUS REPAIRS IN AND AROUND DD6 N4008420F4014USAspending	N4008415D0109USAspending	$4,373,888	Jul 26, 2022	Oct 24, 2019 – Oct 31, 2022
Prime	Department of Defense Department of the Navy	HSG REPLACE ROOFING PH2, YNB TOWNHOUSES AND SOQS N4008421F4283USAspending	N4008419D0077USAspending	$3,592,173	Jul 20, 2022	Mar 26, 2021 – Dec 11, 2023
Prime	Department of Defense Department of the Navy	FUND OBLIGATION FOR 4TH OPTION, P00010 N4008422F4373USAspending	N4008418D0408USAspending	$275,310	May 19, 2022	Jul 1, 2022 – Jun 30, 2023
Prime	Department of Defense Department of the Navy	YSK-3858 REPAIR HVAC SYSTEM, BIG MACC TASK ORDER N4008422F4347USAspending	N4008419D0077USAspending	$2,583,297	May 9, 2022	May 9, 2022 – May 4, 2023
Prime	Department of Defense Department of the Navy	SRF-YSK-DD5, VARIOUS REPAIRS IN AND AROUND DD-5 N4008420F4135USAspending	N4008419D0077USAspending	$1,583,386	Nov 17, 2021	Jan 31, 2020 – Dec 1, 2021
Prime	Department of Defense Department of the Navy	HSG REPLACE AND MODERNIZE COOLING DEVICE OF SPECIFIED BUILDINGS (IKEGO & YOKOSUKA) N4008421F4236USAspending	N4008419D0077USAspending	$2,010,909	Nov 9, 2021	Mar 11, 2021 – May 30, 2022
Prime	Department of Defense Department of the Navy	REPLACE ALL EXISTING LIGHTINGS WITH LED ONES AT ALL MAGAZINES AT THE NOF URAGO, JAPAN N4008420F4429USAspending	N4008415D0109USAspending	$3,895,489	Oct 15, 2021	Jun 10, 2020 – Mar 27, 2023

Contract vehicles are shown only when present in the source record. Linked award numbers and vehicles open the authoritative record on USAspending.gov.

Agencies supported

Department of DefenseGov-sourced

Is this your company?

Claim this profile for free to add your capabilities, teaming interests, capability statement link and employee count, and to report certifications for verification.

FedSub reviews every claim before granting access. Government-sourced data stays as published; your additions are labeled company-reported.

Claim this profile (free)

Identifiers

UEI: MENXWTPNH9N5
CAGE: JS983

NAICS codes

236210Industrial Building ConstructionPrimary(definition)
236220Commercial and Institutional Building Construction(definition)
237990Other Heavy and Civil Engineering Construction(definition)
238110Poured Concrete Foundation and Structure Contractors(definition)
238160Roofing Contractors(definition)
238210Electrical Contractors and Other Wiring Installation Contractors(definition)
238220Plumbing, Heating, and Air-Conditioning Contractors(definition)
238290Other Building Equipment Contractors(definition)
238330Flooring Contractors(definition)
333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing(definition)
541380Testing Laboratories and Services(definition)
561210Facilities Support Services(definition)
561730Landscaping Services(definition)
561790Other Services to Buildings and Dwellings(definition)
811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance(definition)
811412Appliance Repair and Maintenance(definition)

Data sources

SAM.gov monthly extract
ID MENXWTPNH9N5 · fetched Oct 25, 2026 · source
USAspending.gov
ID recipient:MENXWTPNH9N5 · fetched Oct 26, 2026 · source

Last synced Oct 25, 2026 · profile updated Oct 25, 2026

Find similar contractors

Government-sourced data comes from SAM.gov, SBA and USAspending.gov and is attributed to its source. Items marked company-reported were provided by the company and are verified by FedSub only where labeled. FedSub is a private company and is not affiliated with SBA, GSA/SAM.gov, or any government agency.