Federal contractor · FAIRFAX, VA

ECS FEDERAL, LLC

ECS FEDERAL, LLC received $521.7M in federal contract obligations in FY2026, on 124 awards (−10% vs FY2025). Since FY2017: $4.3B. Its largest customer was Federal Acquisition Service ($189.7M).

Obligations · FY2026
$521.7M
New awards
124
Sole-source
5.8%
Single offer
34%
UEI
XYB4JU4PA6T4
Parent company
ASGN INCORPORATED
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, $521.7M in FY2026 together.

  1. ECS FEDERAL, LLCFAIRFAX, VA · Family page
    $521.7M
  2. OAK MANAGEMENT, INC.ALEXANDRIA, VA
    $0

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 201.5MFY2017
  2. 411.2MFY2018
  3. 373.7MFY2019
  4. 384.8MFY2020
  5. 494.3MFY2021
  6. 393.8MFY2022
  7. 482.4MFY2023
  8. 489.3MFY2024
  9. 580.8MFY2025
  10. 521.7MFY2026

Top buying agencies

Obligations in FY2026.

  1. Federal Acquisition Service$189.7M36%
    4 awards
  2. Federal Bureau of Investigation$75.7M15%
    20 awards
  3. Office of Procurement Operations$56.3M11%
    9 awards
  4. Defense Information Systems Agency$41.1M7.9%
    4 awards
  5. Defense Advanced Research Projects Agency$39M7.5%
    5 awards
  6. Department of the Army$34.4M6.6%
    4 awards
  7. National Institutes of Health$26.5M5.1%
    2 awards
  8. National Oceanic and Atmospheric Administration$24.5M4.7%
    31 awards
  9. USTRANSCOM$13.7M2.6%
    1 awards
  10. Internal Revenue Service$8.9M1.7%
    12 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. IT & telecom$394.7M75%
  2. Professional services$92.4M18%
  3. Research & development$34.2M6.5%
  4. Facilities & utilities$2.3M0.4%
  5. Education & social services$51K0.0%
  6. Equipment maintenance$26.2K0.0%

Where the work was performed

  1. Arlington County, VA$226.8M43%
  2. Fairfax County, VA$181M35%
  3. Cochise County, AZ$37M7.1%
  4. District of Columbia, DC$25.8M4.9%
  5. Montgomery County, MD$23M4.4%
  6. St. Clair County, IL$13.7M2.6%
  7. Prince William County, VA$4.1M0.8%
  8. Anne Arundel County, MD$3.3M0.6%
  9. Ketchikan Gateway Borough, AK$2.2M0.4%
  10. Shelby County, TN$1.7M0.3%

Integrity signals

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

  • Low competition40%
    US 39% · $209.4M
  • Sole-source awards5.8%
    US 30% · $30.2M
  • Single-offer competitions34%
    US 8.7% · $179.1M
  • Urgency justifications0.3%
    US 5.1% · $1.4M

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. Department of the Navy$4.1M
    Department of Defense · 1 awards

Largest awards

  1. AESS 2.0 - ENDPOINT PROTECTION$286.3M
    Defense Information Systems Agency· Cochise County, AZ· IT & telecom· Sep 23, 2022 – May 27, 2026· HC108422F0258
  2. CONTINUOUS DIAGNOSTICS AND MITIGATION CDM DATA SERVICES$228.7M
    Federal Acquisition Service· Arlington County, VA· IT & telecom· Aug 27, 2024 – Sep 28, 2026· 47QFRA24F0012
  3. IGF::OT::IGF$176.6M
    Federal Bureau of Investigation· Stafford County, VA· IT & telecom· Apr 26, 2017 – Feb 11, 2026· DJF151200D0003253
  4. CONTINUOUS DIAGNOSTICS AND MITIGATION CDM DASHBOARD ECOSYSTEM$130.1M
    Federal Acquisition Service· Arlington County, VA· IT & telecom· May 20, 2020 – Jun 4, 2026· 47QFRA20F0024
  5. RESEARCH AND DEVELOPMENT EFFORT TO DESIGN AND DEVELOP PROTOTYPES TO ARTIFICIAL INTELLIGENCE/MACHINE LEARNING ALGORITHMS.$120.6M
    Department of the Army· Fairfax County, VA· Research & development· Apr 23, 2020 – Mar 16, 2026· W911QX20C0023
  6. COMMANDER, NAVY INSTALLATIONS COMMAND CODE N6 OFFICE OF THE CHIEF INFORMATION OFFICER, ENTERPRISE ASHORE ENCLAVE SUPPORT, INFORMATION TECHNOLOGY (IT) SOLUTIONS, AND SERVICES$95.8M
    Defense Information Systems Agency· Fairfax County, VA· IT & telecom· Jun 27, 2023 – Jun 5, 2026· HC102823F0621
  7. CONTRACT TO RESEARCH, DEVELOP, MODIFY, DEPLOY, OPERATE, AND MAINTAIN ARTIFICIAL INTELLIGENCE/MACHINE LEARNING (AI/ML) ALGORITHMS AND MODELS.$84M
    Department of the Army· Fairfax County, VA· Research & development· Jan 30, 2025 – Jun 3, 2026· W911QX25C0002
  8. TECHNICAL ENGINEERING SUPPORT SERVICES (TESS) AWARD$83.2M
    Federal Acquisition Service· Arlington County, VA· IT & telecom· Apr 28, 2025 – Sep 23, 2026· 47QFRA25F0001

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

  • Sub-contracts: $2.4B (370 subawards)

126 sub-recipients

  1. CARAHSOFT TECHNOLOGY CORP$1.6B68%
    RESTON, VA · 16 subawards
  2. HETIN TEC CORP.$210.1M8.8%
    ROCKVILLE, MD · 4 subawards
  3. BOOZ ALLEN HAMILTON INC.$92.1M3.9%
    MCLEAN, VA · 7 subawards
  4. C5T CORPORATION$60.2M2.5%
    SCOTT AIR FORCE BASE, IL · 7 subawards
  5. SHOREPOINT LLC$40M1.7%
    HERNDON, VA · 10 subawards
  6. PROCENTRIX, LLC$28.8M1.2%
    HERNDON, VA · 7 subawards
  7. CELEEN LLC$27.7M1.2%
    MASHANTUCKET, CT · 6 subawards
  8. SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$23.1M1.0%
    BEDFORD, IN · 5 subawards
  9. REDTRACE TECHNOLOGIES INC$22.5M0.9%
    LANHAM, MD · 1 subaward
  10. BAZON-COX & ASSOCIATES INC$18.9M0.8%
    CHESAPEAKE, VA · 1 subaward

As a sub-recipient: who pays it · FY2026

  • Sub-contracts: $18.1M (6 subawards)

4 primes

  1. PERSPECTA ENTERPRISE SOLUTIONS LLC$15.2M84%
    CHANTILLY, VA · 1 subaward
  2. INTELLIWARE SYSTEMS, INC.$1.5M8.4%
    MC LEAN, VA · 1 subaward
  3. CACI NSS, LLC$1.3M7.1%
    CHANTILLY, VA · 2 subawards
  4. HALVIK CORP$101.3K0.6%
    VIENNA, VA · 2 subawards

Its reported sub-contracts equal 455% of its FY2026 contract obligations.

By fiscal year

  • FY2021: $28.7M paid out · $9.9M received
  • FY2022: $222.8M paid out · $18.4M received
  • FY2023: $10.8M paid out · $93.6M received
  • FY2024: $20.9M paid out · $21.5M received
  • FY2025: $689.6M paid out · $19M received
  • FY2026: $2.4B paid out · $18.1M received

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 9, 2026, loaded Oct 9, 2026 · Subawards loaded from FY2021.

Teaming partners

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

Companies it pays

210 companies · $3.3B reported

  1. CARAHSOFT TECHNOLOGY CORP$1.6B
    RESTON, VA · 24 subawards · Scientific research and development services
  2. HETIN TEC CORP.$213M
    ROCKVILLE, MD · 10 subawards · Other professional, scientific, and technical services
  3. SUPERLATIVE TECHNOLOGIES, LLC$195.5M
    ASHBURN, VA · 8 subawards · Computer systems design and related services

Primes that pay it

26 companies · $180.5M reported

  1. BOOZ ALLEN HAMILTON INC$45.7M
    MCLEAN, VA · 7 subawards · Computer systems design and related services
  2. UNISYS CORPORATION$24.4M
    RESTON, VA · 11 subawards · Electronics and appliance stores
  3. PERATON ENTERPRISE SOLUTIONS LLC$21.5M
    CHANTILLY, VA · 2 subawards · Computer systems design and related services

Showing the top 3 of each list. Open the profile for potential partners and the full lists.

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 9, 2026, loaded Oct 9, 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 33 markets (agency × industry), FY2024–FY2026.

  1. KNIGHT POINT SYSTEMS, LLC$366.8M−19% in FY2026
    RESTON, VA · 15% of this company's obligations are in markets they both serveDefense Information Systems Agency · Computer systems design and related services
  2. COUNTERTRADE PRODUCTS, INC.$1B−53% in FY2026
    ARVADA, CO · 20% of this company's obligations are in markets they both serveDefense Information Systems Agency · Computer systems design and related servicesInternal Revenue Service · Computer systems design and related servicesNavy · Computer systems design and related services+2 more
  3. SABEL SYSTEMS TECHNOLOGY SOLUTIONS, LLC$293.1M−7.9% in FY2026
    GAINESVILLE, VA · 13% of this company's obligations are in markets they both serveFederal Acquisition Service · Computer systems design and related servicesNavy · Management, scientific, and technical consulting services

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.