Federal contractor · SAINT LOUIS, MO

ON SITE SYSTEMS INC

ON SITE SYSTEMS INC received $60K in federal contract obligations in FY2026, on 2 awards (−34% vs FY2025). Since FY2017: $536K. Its largest customer was National Institute of Standards and Technology ($36.9K).

Obligations · FY2026
$60K
New awards
2
Sole-source
100%
Single offer
0.0%
UEI
STLMHDJNX5C7
Small business
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 50KFY2017
  2. 23.7KFY2018
  3. 88KFY2019
  4. 23.1KFY2020
  5. 23.1KFY2021
  6. 23.1KFY2022
  7. 114.6KFY2023
  8. 38.9KFY2024
  9. 91.3KFY2025
  10. 60KFY2026

Top buying agencies

Obligations in FY2026.

  1. National Institute of Standards and Technology$36.9K61%
    1 awards
  2. National Institutes of Health$23.1K39%
    1 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. IT & telecom$60K100%

Where the work was performed

  1. St. Louis County, MO$36.9K61%
  2. Durham County, NC$23.1K39%

Integrity signals

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

  • Low competition100%
    US 39% · $60K
  • Sole-source awards100%
    US 30% · $60K
  • Single-offer competitions0.0%
    US 8.7% · $0
  • 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. National Institute of Standards and Technology$36.9K
    Department of Commerce · 1 awards

Largest awards

  1. EHSA SOFTWARE$115.7K
    National Institutes of Health· Durham County, NC· IT & telecom· Jul 15, 2022 – Sep 11, 2026· 75N96022P00173
  2. OU15-FY26-008-NEW RADIATION SAFETY ASSISTANCE MODULE$36.9K
    National Institute of Standards and Technology· St. Louis County, MO· IT & telecom· Aug 25, 2026 – Aug 25, 2026· 1333ND26PNB150375

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 4 markets (agency × industry), FY2024–FY2026.

  1. FLEXCOMPUTE INC$223.3K−70% in FY2026
    WATERTOWN, MA · 47% of this company's obligations are in markets they both serveAir Force · Software publishersNational Institute of Standards and Technology · Software publishers
  2. CAREER AND TECHNICAL TRAINING, LLC$59.9K0% in FY2026
    WINDSOR, CO · 28% of this company's obligations are in markets they both serveAir Force · Software publishers
  3. LOFTWARE INC$150K
    PORTSMOUTH, NH · 36% of this company's obligations are in markets they both serveNational Institutes of Health · Software publishers

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 9, 2026, loaded Oct 9, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 9, 2026, loaded Oct 9, 2026.