Federal contractor · YELLOW SPRINGS, OH

YSI INC

YSI INC received $4.1M in federal contract obligations in FY2026, on 41 awards (−24% vs FY2025). Since FY2017: $73.9M. Its largest customer was U.S. Geological Survey ($3M).

Obligations · FY2026
$4.1M
New awards
41
Sole-source
95%
Single offer
0.3%
UEI
EAL5AXH5UMN3
Other than small business
Open in the contracts explorerRelationship graph

Company family

Grouped from reported parent companies (UEI) and, where marked, AI judgments that two records name the same organization or group.

2 registered entities of the same company or corporate group, $4.1M in FY2026 together.

  1. YSI INCYELLOW SPRINGS, OH · Family page
    $4.1M
  2. YSI INCORPORATEDSAN DIEGO, CA
    $0

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 6.9MFY2017
  2. 9.4MFY2018
  3. 8.1MFY2019
  4. 9.3MFY2020
  5. 8.3MFY2021
  6. 7.4MFY2022
  7. 9.4MFY2023
  8. 5.6MFY2024
  9. 5.4MFY2025
  10. 4.1MFY2026

Top buying agencies

Obligations in FY2026.

  1. U.S. Geological Survey$3M74%
    14 awards
  2. National Oceanic and Atmospheric Administration$293.9K7.2%
    7 awards
  3. Environmental Protection Agency$282.7K7.0%
    5 awards
  4. Bureau of Reclamation$189.4K4.7%
    5 awards
  5. Food and Drug Administration$132.4K3.3%
    1 awards
  6. U.S. Fish and Wildlife Service$52K1.3%
    2 awards
  7. National Aeronautics and Space Administration$47.3K1.2%
    1 awards
  8. International Boundary and Water Commission: U.S.-Mexico$34.7K0.9%
    1 awards
  9. Forest Service$21.2K0.5%
    1 awards
  10. Department of the Navy$8,7540.2%
    2 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Other equipment & supplies$3.8M94%
  2. IT & telecom$201.7K5.0%
  3. Equipment maintenance$32.7K0.8%

Where the work was performed

  1. Greene County, OH$3.5M86%
  2. San Francisco County, CA$182.1K4.5%
  3. Jefferson County, AR$132.4K3.3%
  4. Natrona County, WY$65K1.6%
  5. Fresno County, CA$46.3K1.1%
  6. Multnomah County, OR$38.7K1.0%
  7. Mecklenburg County, NC$35.8K0.9%
  8. Middlesex County, MA$30.5K0.8%
  9. Canadian County, OK$21.2K0.5%
  10. Shasta County, CA$16.9K0.4%

Integrity signals

Shares of the year's obligations, next to the country's.

  • Low competition95%
    US 39% · $3.9M
  • Sole-source awards95%
    US 30% · $3.9M
  • Single-offer competitions0.3%
    US 8.8% · $13.7K
  • Urgency justifications0.0%
    US 5.1% · $0

A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.

Agencies awarding it sole-source contracts

  1. U.S. Geological Survey$3M
    Department of the Interior · 8 awards
  2. National Oceanic and Atmospheric Administration$293.9K
    Department of Commerce · 4 awards
  3. Environmental Protection Agency$246.8K
    Environmental Protection Agency · 4 awards
  4. Bureau of Reclamation$189.4K
    Department of the Interior · 5 awards
  5. U.S. Fish and Wildlife Service$52K
    Department of the Interior · 2 awards

Largest awards

  1. FY26 REQ # 15728 AGAINST 140G0121D0007$2M
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Jan 28, 2026 – Jan 28, 2026· 140G0126F0041
  2. FY26 REQ# 15839 AGAINST NEW YSI IDIQ$497.7K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Jun 18, 2026 – Jun 18, 2026· 140G0126F0186
  3. FY24 REQ # 15291 AGAINST 140G0121D0007$481.4K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· May 10, 2024 – Mar 10, 2026· 140G0124F0188
  4. FY26 REQ# 15838 PO-YSI-EXTERNAL REPAIR$450K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Jul 16, 2026 – Jul 16, 2026· 140G0126F0197
  5. FY23 REQ # 15091 PO YSI EXT REPAIR$400K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Sep 12, 2023 – May 4, 2026· 140G0123F0388
  6. FY25 REQ# 15706 PO-YSI-EXTERNAL$203.3K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Sep 19, 2025 – Sep 24, 2026· 140G0125F0304
  7. FY25 REQ# 15602 PO-YSI-EXTERNAL REPAIRS INDEFINITE-DELIVERY INDEFINITE-QUANTITY (IDIQ) FOR WATER MONITORING EQUIPMENT.$198.4K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· May 27, 2025 – Apr 28, 2026· 140G0125F0172
  8. DELIVERY ORDER FOR REPAIRS AGAINST YSI IDIQ - 140G0121D0007 FY25 REQ# 15520 PO YSI- EXTERNAL REPAIR$149.9K
    U.S. Geological Survey· Greene County, OH· Other equipment & supplies· Dec 10, 2024 – May 14, 2026· 140G0125F0037

Subawards

Matched by Unique Entity ID: the first-tier subawards this organization reported as a prime recipient, and those primes reported paying it.

As a prime: who it pays · FY2026

No subawards reported as a prime in FY2026.

As a sub-recipient: who pays it · FY2026

  • Sub-contracts: $28.7K (1 subaward)

1 prime

  1. FLUOR MARINE PROPULSION, LLC$28.7K100%
    GREENVILLE, SC · 1 subaward

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from FY2021.

Teaming partners

Companies this company reported paying, primes that reported paying it, from FFATA subaward reports.

Companies it pays

No subawards reported to other companies.

Primes that pay it

2 companies · $215.8K reported

  1. DEFENSE SYSTEMS AND SOLUTIONS$187.1K
    HUNTSVILLE, AL · 2 subawards · Aerospace product and parts manufacturing
  2. FLUOR MARINE PROPULSION, LLC$28.7K
    GREENVILLE, SC · 1 subaward · Scientific research and development services

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from 2021.

Competitors

Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.

Compared on 26 markets (agency × industry), FY2024–FY2026.

  1. OTT HYDROMET CORP$21.9M−37% in FY2026
    STERLING, VA · 89% of this company's obligations are in markets they both serveU.S. Geological Survey · Navigational, measuring, electromedical, and control instruments manufacturingNational Oceanic and Atmospheric Administration · Navigational, measuring, electromedical, and control instruments manufacturingNational Park Service · Navigational, measuring, electromedical, and control instruments manufacturing+3 more
  2. NANOMETRICS INC$16.4M−38% in FY2026
    OTTAWA, CAN · 2 entities · 73% of this company's obligations are in markets they both serveU.S. Geological Survey · Navigational, measuring, electromedical, and control instruments manufacturing
  3. IN-SITU, INC$2.8M−90% in FY2026
    FORT COLLINS, CO · 2 entities · 17% of this company's obligations are in markets they both serveU.S. Geological Survey · Navigational, measuring, electromedical, and control instruments manufacturingEnvironmental Protection Agency · Navigational, measuring, electromedical, and control instruments manufacturingBureau of Reclamation · Navigational, measuring, electromedical, and control instruments manufacturing+4 more

Showing the top 3 of 25 competitors. Open the profile for the full list.

Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 6, 2026, loaded Oct 6, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 6, 2026, loaded Oct 6, 2026.