CS One Co., Ltd.
CS One Co., Ltd. received $2.6M in federal prime contract obligations in the 12 months ending Oct 5, 2026, down 46.8% from $4.9M the year before, and $16.5M since FY2022. Its largest customer is the Department of Defense.
See 3 contracts ending in the next 18 months ↓Contractor details
- Unique Entity ID (UEI)
- THGYAGHSGKX3
- CAGE code
- JS727
- Headquarters
- Yokohama, JPN
- Business size
- Other Than Small Business
As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year.
Markets where it ranks top 10
Agency and NAICS markets where this UEI is one of the ten largest primes in the latest 12 months.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Department of Defense | $2.6M | $16.5M |
Top NAICS codes
Industry codes agencies recorded on this contractor's awards, since FY2022.
What it sells
Product and service codes (PSC) on this contractor's awards, since FY2022.
| PSC | Description | Since FY2022 |
|---|---|---|
| S216 | Housekeeping- Facilities Operations Support | $5.1M |
| Z1AZ | Maintenance of Other Administrative Facilities and Service Buildings | $4.8M |
| Z1AA | Maintenance of Office Buildings | $1.8M |
| J063 | Maint/Repair/Rebuild of Equipment- Alarm, Signal, and Security Detection Systems | $1.4M |
| S202 | Housekeeping- Fire Protection | $781K |
| S201 | Housekeeping- Custodial Janitorial | $636K |
Contracts ending in the next 18 months
This contractor's largest awards whose current period of performance ends soon. Options and extensions often move these dates.
| Award | Agency | Obligated | Current end |
|---|---|---|---|
| N4008426F4063 | Department of Defense BASE OPERATIONS SUPPORT CONTRACT AT NEW SANNO, TOKYO, JAPAN | $847K | Dec 31, 2026 |
| N4008425F4321 | Department of Defense NON-RECURRING - BRIDGE EXTENSION, PMI SERVICES FOR FIRE PROTECTION AND IDS. THIS TASK ORDER IS TO REPAIR VARIOUS FIRE PROTECTION SYSTEMS FOR TEN BUILDINGS WITHIN 720 CALENDAR… | $493K | Apr 14, 2027 |
| N4008426F4232 | Department of Defense 1ST OPTION PERIOD RECURRING WORK FOR MAINTENANCE FOR FIRE PROTECTION SYSTEM, IDS, AND VARIOUS ELECTRICAL AND COMMUNICATION SYSTEMS AT NAVAL AIR FACILITY, ATSUGI, JAPAN | $481K | Apr 30, 2027 |
Recent awards
This contractor's newest prime contract awards, most recent first.
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| N4008426F4232 | Department of Defense 1ST OPTION PERIOD RECURRING WORK FOR MAINTENANCE FOR FIRE PROTECTION SYSTEM, IDS, AND VARIOUS ELECTRICAL AND COMMUNICATION SYSTEMS AT NAVAL AIR FACILITY, ATSUGI, JAPAN | $469K | Apr 27, 2026 |
| N4008426F4222 | Department of Defense VARIOUS BUILDINGS, REPLACE ALL SMOKE DETECTORS PHASE 2 AT NAVAL AIR FACILITY, ATSUGI, JAPAN | $231K | Apr 20, 2026 |
| N4008426F4136 | Department of Defense REPAIR SPRINKLER SYSTEM AT YSK-3008 | $19K | Mar 3, 2026 |
| N4008426F4020 | Department of Defense ATS-968 REPLACE FACP AND COMPONENTS | $34K | Feb 18, 2026 |
| N4008426F4116 | Department of Defense REPLACE VTE EQUIPMENT ON IE-38, 39 AND 40 AT NEW SANNO | $201K | Feb 11, 2026 |
| N4008426F4115 | Department of Defense REPAIR SPRINKLER AND INDOOR HYDRANT SYSTEMS AT NEW SANNO | $59K | Feb 11, 2026 |
| N4008426F4063 | Department of Defense BASE OPERATIONS SUPPORT CONTRACT AT NEW SANNO, TOKYO, JAPAN | $847K | Dec 23, 2025 |
| N4008426F4056 | Department of Defense TROUBLESHOOT FIRE SUPPRESSION SYSYTEM, REPLACE MOTOR AND CONTROL PANEL YSK-A32 | $224K | Dec 17, 2025 |
Prime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.

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