Mantech Advanced Systems International, Inc.
Herndon, VA · UEI JY2BDT2K58Z6 · NAICS 541512
Mantech Advanced Systems International, Inc. is a federal contractor based in Herndon, VA operating in professional, scientific, and technical services (NAICS 541512). Mantech Advanced Systems International, Inc. has received $1.41 billion across 270 federal contracts. Mantech Advanced Systems International, Inc.'s largest customer is General Services Administration, accounting for $749.61 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| W56HZV11C0168 | Department Of Defense | September 28, 2021 | $960.06M |
| W56HZV12C0127 | Department Of Defense | September 23, 2021 | $915.31M |
| 47QFCA18F0015 | General Services Administration | August 29, 2024 | $723.69M |
| 47QFCA22F0056 | General Services Administration | March 10, 2026 | $722.20M |
| SAQMMA17C0178 | Department Of State | September 10, 2025 | $526.93M |
| 47QFCA20F0016 | General Services Administration | September 30, 2025 | $452.11M |
| W56KGY20C0009 | Department Of Defense | September 17, 2024 | $263.45M |
| FA881918C1001 | Department Of Defense | December 18, 2025 | $263.30M |
| KX04 | Department Of Defense | September 30, 2021 | $254.63M |
| 70B04C20F00001357 | Department Of Homeland Security | December 31, 2025 | $251.83M |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| General Services Administration | $749.61M | 203 |
| Department Of Homeland Security | $229.85M | 60 |
| Department Of Defense | $192.70M | 551 |
| Department Of State | $125.45M | 26 |
| Department Of Justice | $70.86M | 33 |
| Department Of The Interior | $22.28M | 12 |
| Department Of Energy | $15.29M | 9 |
| Consumer Financial Protection Bureau | $4.81M | 8 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541512 | Computer Systems Design Services | $686.87M |
| 488999 | All Other Support Activities For Transportation | $337.40M |
| 541330 | Engineering Services | $216.19M |
| 541519 | Other Computer Related Services | $44.31M |
| 541511 | Custom Computer Programming Services | $42.29M |
| 541712 | Research And Development In The Physical, Engineering, And Life Sciences (Except Biotechnology) | $35.26M |
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Frequently asked questions
How much has Mantech Advanced Systems International, Inc. received in federal contracts?
Mantech Advanced Systems International, Inc. has been awarded $1.41 billion across 270 federal contracts. Their largest customer is General Services Administration, representing $749.61 million of awarded work.
What does Mantech Advanced Systems International, Inc. do?
Mantech Advanced Systems International, Inc. is a federal contractor based in Herndon, VA, registered under NAICS 541512 (professional, scientific, and technical services).