General information for Sos International Ltd
Physical address
1881 Campus Commons Dr, Ste 500, Reston, Va, 20191
Mailing address
1881 Campus Commons Drive, Suite 500, Reston, VA, 20191
Website
sosi.com
Points of contact for Sos International Ltd
SAM.gov Points of Contact
Brett
Surbey
Government Business POC
Electronic Business POC
1881 CAMPUS COMMONS DRIVE, SUITE 500, RESTON, VA, 20191
Elizabeth
Caldera
Alternate Government Business POC
Alternate Electronic Business POC
1881 Campus Commons Drive, SUITE 500, Reston, VA, 20191
Additional contact details may be available
NAICS codes for Sos International Ltd
| Code | Description | Small Business |
|---|---|---|
|
541930
PRIMARY
|
Translation and Interpretation Services
|
No
|
| 221118 | Other Electric Power Generation | No |
| 221121 | Electric Bulk Power Transmission and Control | Yes |
| 221122 | Electric Power Distribution | Yes |
|
236210
|
Industrial Building Construction
|
No
|
|
236220
|
Commercial and Institutional Building Construction
|
No
|
|
237990
|
Other Heavy and Civil Engineering Construction
|
No
|
|
238110
|
Poured Concrete Foundation and Structure Contractors
|
No
|
|
238120
|
Structural Steel and Precast Concrete Contractors
|
No
|
|
238130
|
Framing Contractors
|
No
|
|
238140
|
Masonry Contractors
|
No
|
|
238150
|
Glass and Glazing Contractors
|
No
|
|
238160
|
Roofing Contractors
|
No
|
|
238170
|
Siding Contractors
|
No
|
|
238190
|
Other Foundation, Structure, and Building Exterior Contractors
|
No
|
|
238210
|
Electrical Contractors and Other Wiring Installation Contractors
|
No
|
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
No
|
|
238290
|
Other Building Equipment Contractors
|
No
|
|
238310
|
Drywall and Insulation Contractors
|
No
|
|
238320
|
Painting and Wall Covering Contractors
|
No
|
|
238330
|
Flooring Contractors
|
No
|
|
238340
|
Tile and Terrazzo Contractors
|
No
|
|
238350
|
Finish Carpentry Contractors
|
No
|
|
238390
|
Other Building Finishing Contractors
|
No
|
|
238910
|
Site Preparation Contractors
|
No
|
|
238990
|
All Other Specialty Trade Contractors
|
No
|
|
334290
|
Other Communications Equipment Manufacturing
|
No
|
|
336413
|
Other Aircraft Parts and Auxiliary Equipment Manufacturing
|
Yes
|
|
424410
|
General Line Grocery Merchant Wholesalers
|
No
|
|
484110
|
General Freight Trucking, Local
|
No
|
|
484121
|
General Freight Trucking, Long-Distance, Truckload
|
No
|
|
484122
|
General Freight Trucking, Long-Distance, Less Than Truckload
|
No
|
|
485113
|
Bus and Other Motor Vehicle Transit Systems
|
No
|
|
485410
|
School and Employee Bus Transportation
|
No
|
|
493110
|
General Warehousing and Storage
|
No
|
|
519210
|
Libraries and Archives
|
No
|
|
519290
|
Web Search Portals and All Other Information Services
|
Yes
|
|
531110
|
Lessors of Residential Buildings and Dwellings
|
No
|
|
531120
|
Lessors of Nonresidential Buildings (except Miniwarehouses)
|
No
|
|
531130
|
Lessors of Miniwarehouses and Self-Storage Units
|
No
|
|
531190
|
Lessors of Other Real Estate Property
|
No
|
|
531312
|
Nonresidential Property Managers
|
No
|
|
541330
|
Engineering Services
|
No
|
|
541511
|
Custom Computer Programming Services
|
No
|
|
541513
|
Computer Facilities Management 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
|
|
541713
|
Research and Development in Nanotechnology
|
Yes
|
|
541820
|
Public Relations Agencies
|
No
|
|
541910
|
Marketing Research and Public Opinion Polling
|
No
|
|
541990
|
All Other Professional, Scientific, and Technical Services
|
No
|
|
561110
|
Office Administrative Services
|
No
|
|
561210
|
Facilities Support Services
|
No
|
|
561320
|
Temporary Help Services
|
No
|
|
561330
|
Professional Employer Organizations
|
No
|
|
561410
|
Document Preparation Services
|
No
|
|
561611
|
Investigation and Personal Background Check Services
|
No
|
|
561612
|
Security Guards and Patrol Services
|
No
|
|
561613
|
Armored Car Services
|
No
|
|
561720
|
Janitorial Services
|
No
|
|
561730
|
Landscaping Services
|
No
|
|
561790
|
Other Services to Buildings and Dwellings
|
No
|
|
561990
|
All Other Support Services
|
No
|
|
562111
|
Solid Waste Collection
|
No
|
|
562119
|
Other Waste Collection
|
No
|
|
562991
|
Septic Tank and Related Services
|
No
|
|
562998
|
All Other Miscellaneous Waste Management Services
|
No
|
|
611430
|
Professional and Management Development Training
|
No
|
|
622110
|
General Medical and Surgical Hospitals
|
No
|
|
721310
|
Rooming and Boarding Houses, Dormitories, and Workers' Camps
|
No
|
|
722514
|
Cafeterias, Grill Buffets, and Buffets
|
No
|
|
722515
|
Snack and Nonalcoholic Beverage Bars
|
No
|
|
812111
|
Barber Shops
|
No
|
|
921190
|
Other General Government Support
|
No
|
|
928110
|
National Security
|
No
|
|
928120
|
International Affairs
|
No
|
Update history
5 change(s) tracked
May 29, 2026
NAICS 541713: small-business status No → Yes
May 29, 2026
NAICS 519290: small-business status No → Yes
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