Youone Engineering Co.,Ltd
Seoul
- UEI
- GT1JRQ4R8HN5
- CAGE
- 1T78F
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 221122 Electric Power Distribution
- 221210 Natural Gas Distribution
- 221330 Steam and Air-Conditioning Supply
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238320 Painting and Wall Covering Contractors
- 423220 Home Furnishing Merchant Wholesalers
- 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541512 Computer Systems Design Services
- SAM.gov registration date
- Physical address
- 52 Achasan-ro 15-gil, Seongdong-gu, Seoul, South Korea
- Website
- youone.co.kr
- Founded
- 1996
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 76 Miscellaneous Repair Services
- Profiles
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 | $0 |
| FY2025 | $7,526,272 |
| FY2024 | $8,909,803 |
| FY2023 | $10,750,394 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Operation and maintenance of communication center | RCO Yongsan 411th CSB | $113,376 | |
| Provide funding for clin 5001 (non-barracks) | RCO Yongsan 411th CSB | $1,975,880 | |
| Providing funds for clin 5001 | RCO Yongsan 411th CSB | $730,805 | |
| Afma replacement P8310 | RCO Yongsan 411th CSB | $103,441 | |
| Heating valve (3-way) replacement, P400 | RCO Yongsan 411th CSB | $27,812 |
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| HDR Engineering Inc. | W912UM22F0120 | $96,330 |
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About the company
Youone Engineering Co., Ltd. is a for-profit mechanical engineering firm headquartered in Seoul, South Korea, and registered in the System for Award Management (SAM.gov) since June 29, 2012. The company specializes in providing comprehensive infrastructure maintenance, repair, and engineering services to U.S. military installations, with particular expertise in maintaining critical facility systems including HVAC equipment, utilities, communications infrastructure, supervisory control and data acquisition (SCADA) systems, electrical distribution equipment, and power generation systems. Youone Engineering has established itself as a key infrastructure support provider for the U.S. Army in the Pacific region, delivering engineered solutions and facility management services that enable operational readiness for U.S. forces stationed in South Korea.
Through its federal contract awards, Youone Engineering has provided an extensive range of maintenance, repair, and infrastructure upgrade services exclusively to the U.S. Army Installation Management Command (IMCOM) Pacific Region. The company has received numerous firm fixed-price delivery orders for unscheduled maintenance and labor, repair parts procurement, preventive maintenance services, and infrastructure system upgrades at U.S. Army installations across South Korea, including U.S. Army Garrison Humphreys. Specific services provided include operation and maintenance of communication centers, HVAC controller and valve replacements, digital direct control (DDC) system upgrades, utility monitoring and control system (UMCS) integration and maintenance, variable frequency drive (VFD) replacements, programmable logic controller (PLC) maintenance and replacement, communications cable repair and installation, fiber optic cable upgrades for SCADA systems, sensor replacements, and facility monitoring system maintenance. All prime contract awards have been non-set-aside, unrestricted competitions. Additionally, Youone Engineering has served as an electrical subcontractor to HDR Engineering Inc. on multiple sustainment, restoration, and modernization (SRM) projects, engineering consulting services, fire protection system upgrades, and facility renovation work at various U.S. military locations in South Korea, with documented subcontract awards dating back to 2021.
Youone Engineering Co., Ltd. holds a single-award indefinite delivery/indefinite quantity (IDIQ) contract with the U.S. Army Installation Management Command (IMCOM) Pacific Region valued at $26,525,972.08, with a performance period extending through January 31, 2026. This IDIQ contract provides comprehensive operations, maintenance, and repair services for critical infrastructure systems at U.S. military installations throughout South Korea, encompassing communications centers, utilities, HVAC equipment, SCADA systems, and power systems. The IDIQ contract vehicle carries no set-aside designation and authorizes individual delivery orders up to approximately $3.6 million, enabling the Army to rapidly respond to evolving infrastructure maintenance and repair requirements while maintaining operational readiness of mission-critical facilities and equipment for U.S. forces in the region. Under this IDIQ vehicle, IMCOM Pacific Region has issued numerous task orders to Youone Engineering since early 2021, with delivery orders spanning multiple categories including preventive maintenance services, unscheduled maintenance and repair, repair parts procurement, facility system upgrades, and specialized infrastructure work. The contract demonstrates the Army's confidence in Youone Engineering's ability to deliver consistent, mission-critical infrastructure support across the Korean Peninsula.
Quick answers
Is Youone Engineering Co.,Ltd registered in SAM.gov?
Yes. Youone Engineering Co.,Ltd's SAM.gov registration is active through March 13, 2027.
How much has Youone Engineering Co.,Ltd received in federal contracts?
Federal contracts obligated $7,526,272 to Youone Engineering Co.,Ltd in fiscal year 2025 and $27,186,468 in fiscal years 2023 through 2027.
How does Youone Engineering Co.,Ltd rank among federal contractors?
Youone Engineering Co.,Ltd ranked #2 in PSC C222, #37 in NAICS 8113 and #61 in PSC J059 in FY2025.
What is Youone Engineering Co.,Ltd's most recent federal award?
Youone Engineering Co.,Ltd's most recent federal contract award is Operation and maintenance of communication center (W91QVN25FA491), from RCO Yongsan 411th CSB, on August 1, 2025.
On GovTribe
See Youone Engineering Co.,Ltd's full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors