General information for Leidos, Inc.
Physical address
2337 S Grand Blvd, Saint Louis, Mo, 63104
Mailing address
1750 Presidents St, Reston, VA, 20190
Website
leidos.com
Points of contact for Leidos, Inc.
SAM.gov Points of Contact
Ariel
Russell
Government Business POC
Electronic Business POC
1750 Presidents St, Reston, VA, 20190
Michael
Dinkins
Alternate Government Business POC
Alternate Electronic Business POC
1750 Presidents St, Reston, VA, 20190
Additional contact details may be available
NAICS codes for Leidos, Inc.
| Code | Description | Small Business |
|---|---|---|
|
541715
PRIMARY
|
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
|
No
|
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | No |
| 334516 | Analytical Laboratory Instrument Manufacturing | No |
| 541330 | Engineering Services | No |
|
541370
|
Surveying and Mapping (except Geophysical) Services
|
No
|
|
541380
|
Testing Laboratories and Services
|
No
|
|
541511
|
Custom Computer Programming Services
|
No
|
|
541512
|
Computer Systems Design Services
|
No
|
|
541519
|
Other Computer Related Services
|
No
|
|
541611
|
Administrative Management and General Management Consulting Services
|
No
|
|
541690
|
Other Scientific and Technical Consulting Services
|
No
|
|
611519
|
Other Technical and Trade Schools
|
No
|
Update history
1 change(s) tracked
Aug 7, 2026
Activation date: Nov 3, 2025 → Aug 6, 2026
Submission date: Oct 30, 2025 → Jul 23, 2026
SAM last-updated date: Feb 11, 2026 → Aug 6, 2026
Registration expiration: Oct 30, 2026 → Jul 23, 2027
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