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EPSILON C5I INC

EPSILON C5I INC is a federal contractor registered under UEI KFP1XYK24DZ8 and CAGE code 0BS45. The organization has received $157,375,184 across 60 federal awards, with Department of Defense as the top agency. Its primary NAICS code is 541330.

UEI KFP1XYK24DZ8 CAGE 0BS45 Primary NAICS 541330
Total obligations
$157.4M
Awards
60

Federal contractor overview

EPSILON C5I INC is registered as a federal contractor under UEI KFP1XYK24DZ8 and CAGE 0BS45, and is located in SAN DIEGO, CA, USA. Federal award data shows $157,375,184 across 60 federal awards, with Department of Defense as the top agency. The contractor's primary NAICS classification is 541330, and its public business classifications include For Profit Organization. Its organization hierarchy includes EPSILON SYSTEMS SOLUTIONS, INC. and EPSILON SYSTEMS SOLUTIONS INC..

Contractor identifiers

Legal business name
EPSILON C5I INC
Unique Entity ID
KFP1XYK24DZ8
CAGE code
0BS45
Location
SAN DIEGO, CA, USA
Website
Visit contractor site

Capabilities and keywords

Software & systems engineering support for C4ISR, digital signal processing (DSP), cryptology/information operations, and defense communications systems.

  • Systems Engineering
  • Software Engineering
  • Prototyping
  • System Design
  • HF Engineering
  • CM Support
  • IS/IA/IT
  • Training
  • Program Support
  • C4ISR
  • DSP
  • Cryptology
  • Info Ops
  • R&D
  • Maintenance
  • Simulation
  • Visualization

NAICS codes and business types

NAICS codes

Business and socioeconomic classifications

  • For Profit Organization

Organization hierarchy

Other related organizations

Federal obligation history

Total federal obligations

$157,375,184

Awards
60

Top agencies by obligations

  1. Department of Defense

    54 award actions

    $155,785,857

Federal obligations by fiscal year

Net federal contract obligations increased from $33,522,396 in FY2024 to $36,163,090 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 $21,254,173 28
FY2025 $36,163,090 45
FY2024 $33,522,396 34
FY2023 $25,107,416 30
FY2022 $12,100,330 40
FY2021 $5,135,022 25

Recent federal awards

  1. THE PERFORMANCE WORK STATEMENT (PWS), ENTILTED FOUNDATION AND INTEGRATION COLLECTION DEVELOPMENT AND SUPPORT, REVISION 1, NSC-26-014, DATED 30 MARCH 2026, IS HEREBY INCORPORATED BY REFERENCE.

    Department of Defense

    $5,008,000

    Obligated

    PIID FA860426FB172

    Awarded May 15, 2026

  2. THIS IS A SEVERABLE, LEVEL-OF-EFFORT (LOE) TASK ORDER FOR A 12-MONTH PERIOD OF PERFORMANCE TO PROVIDE SUPPORT IN RESEARCH AND DEVELOPMENT OF SIGNALS INTELLIGENCE (SIGINT) CAPABILITIES.

    Department of Defense

    $312,308

    Obligated

    PIID N6600126F8523

    Awarded Dec 5, 2025

  3. SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER.

    Department of Defense

    $500

    Obligated

    PIID HQ085926FE188

    Awarded Dec 5, 2025

  4. THE PERFORMANCE WORK STATEMENT ENTITLED GEOINT SCENE PREDICTION RD (NSC-25-071) DATED 2 JULY 2025 IS HEREBY INCORPORATED BY REFERENCE.

    Department of Defense

    $1,092,283

    Obligated

    PIID FA860425FB406

    Awarded Sep 10, 2025

Top federal contract markets

See the leading federal contract markets for EPSILON C5I INC 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 EPSILON C5I INC's Unique Entity ID (UEI)?
EPSILON C5I INC's Unique Entity ID is KFP1XYK24DZ8, as registered in SAM.gov.
What is EPSILON C5I INC's CAGE code?
EPSILON C5I INC's CAGE code is 0BS45.
What is EPSILON C5I INC's primary NAICS code?
EPSILON C5I INC's primary NAICS classification is 541330.
Where is EPSILON C5I INC located?
EPSILON C5I INC is located in SAN DIEGO, CA, USA.
How much has EPSILON C5I INC received in federal contract obligations?
EPSILON C5I INC has received $157,375,184 in federal contract obligations across 60 federal awards.
Which federal agencies has EPSILON C5I INC worked with?
EPSILON C5I INC's top federal agencies include Department of Defense.
When was EPSILON C5I INC registered in SAM.gov?
EPSILON C5I INC's SAM.gov registration date is March 18, 2002.
What business classifications does EPSILON C5I INC hold?
EPSILON C5I INC's registered business and socioeconomic classifications include For Profit Organization.