Ecs Federal, Llc
Fairfax, VA · UEI XYB4JU4PA6T4 · NAICS 541512
Ecs Federal, Llc is a federal contractor based in Fairfax, VA operating in professional, scientific, and technical services (NAICS 541512). Ecs Federal, Llc has received $3.49 billion in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 395 contracts totaling $3.49 billion for this firm. Ecs Federal, Llc's largest customer is Department Of Defense, accounting for $1.34 billion of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| HC108422F0258 | Department Of Defense | December 16, 2025 | $243.06M |
| DJF151200D0003253 | Department Of Justice | September 26, 2024 | $177.84M |
| 47QFRA24F0012 | General Services Administration | July 1, 2026 | $166.88M |
| 47QFRA20F0024 | General Services Administration | August 19, 2025 | $130.46M |
| W911QX20C0023 | Department Of Defense | July 31, 2025 | $118.58M |
| 0001 | Department Of Defense | September 30, 2025 | $105.64M |
| W15QKN18F0035 | Department Of Defense | September 30, 2025 | $105.47M |
| N6523619F3504 | Department Of Defense | July 17, 2024 | $104.05M |
| 15F06719F0001566 | Department Of Justice | September 3, 2024 | $75.74M |
| HC102823F0621 | Department Of Defense | September 18, 2025 | $74.11M |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of Defense | $1.34B | 102 |
| Department Of Justice | $676.23M | 41 |
| Department Of Homeland Security | $562.35M | 47 |
| General Services Administration | $357.64M | 15 |
| Department Of The Treasury | $163.84M | 24 |
| Department Of Commerce | $117.42M | 41 |
| Department Of The Interior | $89.50M | 9 |
| Environmental Protection Agency | $82.35M | 7 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541512 | Computer Systems Design Services | $1.02B |
| 541511 | Custom Computer Programming Services | $801.10M |
| 541330 | Engineering Services | $487.80M |
| 541611 | Administrative Management And General Management Consulting Services | $259.55M |
| 541990 | All Other Professional, Scientific, And Technical Services | $250.06M |
| 541519 | Other Computer Related Services | $240.07M |
Track this on BesaGov
Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.
Continue learning
Keep researching
Frequently asked questions
How much has Ecs Federal, Llc received in federal contracts?
Ecs Federal, Llc has received $3.49 billion in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 395 contracts totaling $3.49 billion for this firm. Their largest customer is Department Of Defense, representing $1.34 billion of awarded work.
What does Ecs Federal, Llc do?
Ecs Federal, Llc is a federal contractor based in Fairfax, VA, registered under NAICS 541512 (professional, scientific, and technical services).