YSI Incorporated
San Diego, CA Doing business as Yellow Springs Instruments
- UEI
- JFK3TC7BNFM7
- CAGE
- 0WMC9
- 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
- Corporate family
-
-
Parent
YSI Inc. · Yellow Springs, OH
EAL5AXH5UMN3
-
Parent
YSI Inc. · Yellow Springs, OH
EAL5AXH5UMN3
- SAM.gov registration date
- Physical address
- 9940 Summers Ridge Rd, San Diego, CA 92121, USA
- Website
- ysi.com
- Founded
- 1948
- Employees
- 51-250
- Estimated annual revenue
- $1B-$10B
- Industry
-
- Health Care
- Pharmaceuticals, Biotechnology & Life Sciences
- Life Sciences Tools & Services
- SIC code
- 38 Instruments & Related Products
- 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 | $428,798 |
| FY2024 | $249,185 |
| FY2023 | $371,098 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Defense Systems And Solutions | W58RGZ22F0383 | $78,075 | |
| Defense Systems And Solutions | W58RGZ22F0383 | $109,023 |
Grant awards
Similar vendors
About the company
YSI Incorporated, doing business as Yellow Springs Instruments, is a for-profit manufacturer of water quality monitoring equipment and instruments, wholly owned as a subsidiary of Xylem Inc. Based in San Diego, California, the company specializes in producing advanced scientific instrumentation for environmental and hydrological applications. Through its federal contract awards, YSI Incorporated provides sophisticated water monitoring technologies to various U.S. government agencies, including acoustic Doppler current profilers, water flow trackers, data sondes, sensors, and specialized scientific equipment designed for environmental research, water resource management, and aquatic habitat monitoring.
The company has been awarded numerous federal contracts from agencies such as the U.S. Fish and Wildlife Service, Bureau of Reclamation, U.S. Army Corps of Engineers, U.S. Geological Survey, and Forest Service. These contracts predominantly involve the procurement of highly specialized scientific instruments including acoustic Doppler velocity meters, flow trackers, water meters, chemical analyzers, and sensor systems for measuring parameters like dissolved oxygen, pH, turbidity, and conductivity. Each contract has been awarded on a firm fixed-price basis, with ceiling values ranging from approximately $4,890 to $213,310, and none of the contracts utilized small business set-aside designations. YSI consistently serves as a prime contractor, providing direct equipment and maintenance services to support critical environmental research and water resource management programs.
YSI Incorporated currently holds an Indefinite Delivery Contract (IDC) with the U.S. Army Corps of Engineers, valued at $725,000 with a performance period through September 2029. This single-award IDC, titled "IDIQ HYDROLOGIC INSTRUMENTS/MAINTENANCE", enables the Army Corps of Engineers to issue task orders for specialized hydrologic instrumentation and related maintenance services. Under this contract, YSI has already received a $74,727 delivery order for parts replacement on the NESP-ECOS-Starved Rock Breakwater project. The IDC underscores YSI's strategic position in providing advanced water technology solutions to federal agencies, leveraging its expertise in manufacturing sophisticated scientific equipment for environmental monitoring and research applications.
Quick answers
Is YSI Incorporated registered in SAM.gov?
Yes. YSI Incorporated's SAM.gov registration is active through January 5, 2027.
How much has YSI Incorporated received in federal contracts?
Federal contracts obligated $428,798 to YSI Incorporated in fiscal year 2025 and $1,049,080 in fiscal years 2023 through 2027.
How does YSI Incorporated rank among federal contractors?
YSI Incorporated ranked #6 in NAICS 334513, #21 in PSC 3590 and #26 in PSC AJ15 in FY2025.
What is YSI Incorporated's most recent federal award?
YSI Incorporated's most recent federal contract award is The USACE PMP-y section has a requirement for two (2) YSI EXO3S data sondes, (2) compatible EXO handheld display 2.0… (W912DQ25FA044), from ENDIST Kansas City (USACE), on September 22, 2025.
On GovTribe
See YSI Incorporated's full federal record
- Federal contract awards
- IDV awards
- Federal grant awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors