SUBJECT-6796.dossier · company · status: active
EL
subject of file

ECS Federal LLC

DARPA Technical and Analytical Support Services prime contractor, subsidiary of ASGN
Tracked because DARPA Technical and Analytical Support Services prime contractor, subsidiary of ASGN · 5 documented connections
Facts on record1
Connections mapped5
Sources cited15
Evidence: 1P
Network web → Timeline → Compare with… → Position Drift → Coverage tone → View on Graph → Export CSV JSON Dossier ← Entity Directory
Stated vs Revealed
No documented contradictions on file.
PATTERN company → [contractor] → institution → [contractor] → com... 301× PATTERN government agency → [oversight] → institution → [contract... 192× PATTERN institution → [contractor] → company → [subsidiary] → com... 125× PATTERN institution → [contractor] → company → [affiliation] → pe... 113× PATTERN institution → [contractor] → company 96×
Connection Map
Key Connections
→ John Heneghan person
president_of
John Heneghan is the company president of ECS Federal LLC according to documented facts.
← DARPA Technical and Analytical Support Services (TASS) instrument
contracted_by
ECS Federal LLC is one of six contractors for the DARPA TASS contract.
→ DARPA institution
contractor
Prime contractor on $1.25B TASS contract, 30+ year relationship with DARPA
Facts (1)
Data Freshness
Ageing Last update: 160d ago · Avg age: 628d
Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing
✓ Verified Findings (1)
Independently re-checked: a second model read the source artifact and confirmed it supports the extracted claim.
✓ verified Primary Source ECS has maintained a relationship with DARPA extending more than 30 years according to company president John Heneghan
Date: 2023-11-08 Added: 14 Apr 2026 ↗ SOURCE: ECS press release
All Connections (5)
→ John Heneghan person
president_of primary since 2023
John Heneghan is the company president of ECS Federal LLC according to documented facts.
→ ASGN company
subsidiary inferential since 2026
ECS Federal LLC is listed as an entity related to ASGN, indicating a corporate relationship.
→ J. David Sinniger person
affiliation inferential since 2026
J. David Sinniger is listed near ECS Federal LLC in the known entities database, suggesting an organizational association.
→ DARPA institution
contractor confirmed
Prime contractor on $1.25B TASS contract, 30+ year relationship with DARPA
contracted_by primary since 2024
ECS Federal LLC is one of six contractors for the DARPA TASS contract.
Sources (15)
2025-02-24 ↗ SEC EDGAR: filing — ECS Federal LLC (2025-02-24) sec_filing Processed 📜 Receipt
2022-03-01 ↗ SEC EDGAR: filing — ECS Federal LLC (2022-03-01) sec_filing Processed 📜 Receipt
2021-03-01 ↗ SEC EDGAR: filing — ECS Federal LLC (2021-03-01) sec_filing Processed 📜 Receipt
2026-02-25 ↗ SEC EDGAR: filing — ECS Federal LLC (2026-02-25) sec_filing Processed 📜 Receipt
2024-02-23 ↗ SEC EDGAR: filing — ECS Federal LLC (2024-02-23) sec_filing Processed 📜 Receipt
2026 UNVERIFIED Research: ECS Federal LLC — Court records (no results) court_document Processed 📜 Receipt
2026 UNVERIFIED Research: ECS Federal LLC — Lobbying disclosures (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: ECS Federal LLC — USASpending contracts (no results) contract Processed 📜 Receipt
2026 UNVERIFIED Research: ECS Federal LLC — Parliamentary records (no results) parliamentary_record Processed 📜 Receipt
2026 UNVERIFIED Research: ECS Federal LLC — Corporate registrations (no results) government_disclosure Processed 📜 Receipt
2026-05-10 UNVERIFIED SEARCH_ERROR: ECS Federal LLC not found in opencorporates claim_flag Processed 📜 Receipt
2026-05-10 UNVERIFIED SEARCH_ERROR: ECS Federal LLC not found in sam_gov claim_flag Processed 📜 Receipt
2026-05-10 UNVERIFIED SEARCH_ERROR: ECS Federal LLC not found in usaspending claim_flag Processed 📜 Receipt
2023-02-27 ↗ SEC EDGAR: filing — ECS Federal LLC (2023-02-27) sec_filing Processed 📜 Receipt
2023-11-08 ↗ ECS press release web_search Processed 📜 Receipt