YSI Incorporated

San Diego, CA Doing business as Yellow Springs Instruments Part of YSI Inc.

UEI
JFK3TC7BNFM7
CAGE
0WMC9
Primary NAICS
423490 Other Professional Equipment and Supplies Merchant Wholesalers
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Manufacturer of Goods
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Corporate family
  • YSI Inc. Parent EAL5AXH5UMN3
    • YSI Incorporated JFK3TC7BNFM7
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
  1. Health Care
  2. Pharmaceuticals, Biotechnology & Life Sciences
  3. 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 .

Recent federal awards

About YSI Incorporated

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

What is YSI Incorporated's UEI?

YSI Incorporated's Unique Entity ID (UEI) in SAM.gov is JFK3TC7BNFM7.

What is YSI Incorporated's CAGE code?

YSI Incorporated's CAGE code is 0WMC9.

What is YSI Incorporated's primary NAICS code?

YSI Incorporated's primary NAICS code is 423490 (Other Professional Equipment and Supplies Merchant Wholesalers).

Where is YSI Incorporated located?

YSI Incorporated's physical address in SAM.gov is 9940 Summers Ridge Rd, San Diego, CA 92121, USA.

Is YSI Incorporated registered in SAM.gov?

Yes. YSI Incorporated's SAM.gov registration is active through January 5, 2027.

Who is YSI Incorporated's parent company?

YSI Incorporated is part of YSI Inc.

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, 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
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