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CSSI, LLC

CSSI, LLC is a federal contractor registered under UEI MU5BJR4UM2V3 and CAGE code 0YUD7. The organization has received $673,926,119 across 454 federal awards, with top agencies including Department of Transportation and Department of Defense. Its primary NAICS code is 541330.

UEI MU5BJR4UM2V3 CAGE 0YUD7 Primary NAICS 541330
Total obligations
$673.9M
Awards
454

Federal contractor overview

CSSI, LLC is registered as a federal contractor under UEI MU5BJR4UM2V3 and CAGE 0YUD7, and is located in WASHINGTON, DC, USA. Federal award data shows $673,926,119 across 454 federal awards, with top agencies including Department of Transportation and Department of Defense. The contractor's primary NAICS classification is 541330, and its public business classifications include For Profit Organization and Limited Liability Company. Its organization hierarchy includes PCS-ATLAS CO-INVEST L.P. and PCS ATLAS HOLDINGS, LLC.

Contractor identifiers

Legal business name
CSSI, LLC
Unique Entity ID
MU5BJR4UM2V3
CAGE code
0YUD7
Location
WASHINGTON, DC, USA
Website
Visit contractor site

Capabilities and keywords

SYSTEMS ENGINEERING,SYSTEMS DESIGN & DEVELOPMENT,TECHNICAL & ENGINEERING SUPPORT SERVICES,COMPUTER SCIENCES SERVICES,INTEGRATED LOGISTICS SUPPORT,MAINTENANCE ENGINEERING,TELECOMMUNICATIONS SUPORT SERVICES,PROGRAM MANAGEMENT SUPPORT,PROGRAM REQUIREMENTS AN

NAICS codes and business types

NAICS codes

Business and socioeconomic classifications

  • For Profit Organization
  • Limited Liability Company

Organization hierarchy

  • Ultimate parent

    PCS-ATLAS CO-INVEST L.P.

  • Immediate parent

    PCS ATLAS HOLDINGS, LLC

Other related organizations

Federal obligation history

Total federal obligations

$673,926,119

Awards
454

Top agencies by obligations

  1. Department of Transportation

    179 award actions

    $546,102,890
  2. Department of Defense

    207 award actions

    $95,383,762

Federal obligations by fiscal year

Net federal contract obligations decreased from $33,044,596 in FY2024 to $28,680,907 in FY2025.

Federal obligations and award actions by fiscal year Blue bars show net federal obligations. The green line shows award-action counts. The lighter final bar and FY YTD label identify current fiscal-year-to-date activity.

Scroll horizontally to view all fiscal years.

View fiscal-year data table
Completed and current year-to-date federal fiscal-year contract activity
Fiscal year Net obligations Award actions
FY2026 YTD $20,385,455 35
FY2025 $28,680,907 46
FY2024 $33,044,596 73
FY2023 $32,461,067 51
FY2022 $23,927,508 68
FY2021 $21,370,725 48

Recent federal awards

  1. SEPARATION STANDARDS ANALYSIS SUPPORT

    Department of Transportation

    $678,000

    Obligated

    PIID 692M1525F00057

    Awarded Dec 2, 2025

  2. VOLUNTARY SAFETY REPORTING PROGRAM SUPPORT SERVICES

    Department of Transportation

    $6,666,619

    Obligated

    PIID 693KA825C00017

    Awarded Jun 18, 2025

  3. NEW TASK ORDER FOR ATO MISSION SUPPORT SERVICES FOR POLICY AJV-P AND ATO INTERNATIONAL AJV-I

    Department of Transportation

    $12,743,676

    Obligated

    PIID 693KA923F00093

    Awarded May 15, 2023

  4. EFAST PA 22-058-NW SYSTEM CAPACITY AND EVALUATION SUPPORT TASK

    Department of Transportation

    $1,448,488

    Obligated

    PIID 693KA922F00197

    Awarded Sep 21, 2022

Top federal contract markets

See the leading federal contract markets for CSSI, LLC by agency and work category, ranked by positive obligations in Sweetspot's federal market coverage during the last 12 months.

Coverage period Aug 14, 2025–Aug 13, 2026

Federal contract vehicles

Frequently asked questions

What is CSSI, LLC's Unique Entity ID (UEI)?
CSSI, LLC's Unique Entity ID is MU5BJR4UM2V3, as registered in SAM.gov.
What is CSSI, LLC's CAGE code?
CSSI, LLC's CAGE code is 0YUD7.
What is CSSI, LLC's primary NAICS code?
CSSI, LLC's primary NAICS classification is 541330.
Where is CSSI, LLC located?
CSSI, LLC is located in WASHINGTON, DC, USA.
How much has CSSI, LLC received in federal contract obligations?
CSSI, LLC has received $673,926,119 in federal contract obligations across 454 federal awards.
Which federal agencies has CSSI, LLC worked with?
CSSI, LLC's top federal agencies include Department of Transportation and Department of Defense.
When was CSSI, LLC registered in SAM.gov?
CSSI, LLC's SAM.gov registration date is March 12, 2002.
What business classifications does CSSI, LLC hold?
CSSI, LLC's registered business and socioeconomic classifications include For Profit Organization and Limited Liability Company.