Ost Inc
Mclean, VA · UEI FPLRRX1M2YS5 · NAICS 541350
Ost Inc is a federal contractor based in Mclean, VA operating in professional, scientific, and technical services (NAICS 541350). Ost Inc has received $22.43 million across 45 federal contracts. Ost Inc's largest customer is Department Of Defense, accounting for $13.00 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| DTFAWA10A00235CALL0027 | Department Of Transportation | September 1, 2021 | $53.02M |
| 70FB7021F00000086 | Department Of Homeland Security | August 19, 2025 | $31.65M |
| N6523618F3120 | Department Of Defense | August 4, 2025 | $20.09M |
| W900KK25FA013 | Department Of Defense | December 4, 2025 | $17.57M |
| DTFT6016F00043 | Department Of Transportation | September 25, 2020 | $15.47M |
| W900KK24F7001 | Department Of Defense | July 29, 2024 | $14.42M |
| W900KK21F4032 | Department Of Defense | July 18, 2024 | $10.90M |
| W900KK24F7032 | Department Of Defense | September 13, 2024 | $10.59M |
| TIRNO11D000280003 | Department Of The Treasury | September 30, 2020 | $9.63M |
| W900KK24F7011 | Department Of Defense | August 12, 2024 | $9.07M |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of Defense | $13.00M | 63 |
| Department Of Homeland Security | $6.62M | 9 |
| Department Of Transportation | $97.0K | 5 |
| General Services Administration | $0 | 18 |
| Department Of Health And Human Services | $0 | 1 |
| Department Of Housing And Urban Development | $-15.9K | 1 |
| Department Of Education | $-37.6K | 1 |
| Department Of The Treasury | $-205.1K | 1 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541330 | Engineering Services | $13.00M |
| 541990 | All Other Professional, Scientific, And Technical Services | $6.62M |
| 541511 | Custom Computer Programming Services | $61.7K |
| 332993 | Ammunition (Except Small Arms) Manufacturing | $1.0K |
| 541715 | Research And Development In The Physical, Engineering, And Life Sciences (Except Nanotechnology And Biotechnology) | $500 |
| 541350 | Building Inspection Services | $0 |
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Frequently asked questions
How much has Ost Inc received in federal contracts?
Ost Inc has been awarded $22.43 million across 45 federal contracts. Their largest customer is Department Of Defense, representing $13.00 million of awarded work.
What does Ost Inc do?
Ost Inc is a federal contractor based in Mclean, VA, registered under NAICS 541350 (professional, scientific, and technical services).