Federal contractor · EAST SETAUKET, NY

LONG ISLAND SCIENTIFIC SERVICE CORP.

LONG ISLAND SCIENTIFIC SERVICE CORP. received $14.1K in federal contract obligations in FY2026, on 2 awards (+1.4% vs FY2025). Since FY2017: $268.3K. Its largest customer was Department of Veterans Affairs ($7,100).

Obligations · FY2026
$14.1K
New awards
2
Sole-source
49%
Single offer
0.0%
UEI
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Other than small business
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 26.4KFY2017
  2. 6.5KFY2018
  3. 12.7KFY2019
  4. 6.5KFY2020
  5. -541.5FY2021
  6. 7.1KFY2022
  7. 7.1KFY2023
  8. 174.6KFY2024
  9. 13.9KFY2025
  10. 14.1KFY2026

Top buying agencies

Obligations in FY2026.

  1. Department of Veterans Affairs$7,10051%
    1 awards
  2. Defense Logistics Agency$6,95049%
    1 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Equipment maintenance$14.1K100%

Where the work was performed

  1. Philadelphia County, PA$7,10051%
  2. York County, PA$6,95049%

Integrity signals

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

  • Low competition49%
    US 39% · $6,950
  • Sole-source awards49%
    US 30% · $6,950
  • 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.

Largest awards

  1. LIQUID SCINTILLATION COUNTERS MAINTENANCE AND REPAIR$35.5K
    Department of Veterans Affairs· Philadelphia County, PA· Equipment maintenance· Jul 11, 2022 – Jun 22, 2026· 36C24422P0638
  2. 8511209883!MAINTENANCE/TRI-CARB LIQUID S$13.7K
    Defense Logistics Agency· York County, PA· Equipment maintenance· May 14, 2025 – May 14, 2026· SP330025P0450

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. FOTONA, LLC$110.1K
    ROBERTSON, WY · 54% of this company's obligations are in markets they both serveAir Force · Navigational, measuring, electromedical, and control instruments manufacturing
  2. IM3 COMMUNICATIONS LLC$111.2K
    CHICAGO, IL · 54% of this company's obligations are in markets they both serveAir Force · Navigational, measuring, electromedical, and control instruments manufacturing
  3. WILLICK ENGINEERING CO., INC.$108.8K
    SANTA FE SPRINGS, CA · 54% of this company's obligations are in markets they both serveAir Force · Navigational, measuring, electromedical, and control instruments manufacturing

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 10, 2026, loaded Oct 10, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 10, 2026, loaded Oct 10, 2026.