STG LLC (VA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2004
- $1.80B
- $1,796,536,714under this UEI
- FY2026 obligations
- -$530.43K†
- -$530,432Provisional
- Awards and orders
- 474
- with positive net obligations56 IDV vehicles held
- Latest action
- Feb 13, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 31, 2027
Registration
- Entity structure
- Other
- Business start date
- Apr 11, 1989 (37 years)
- Location
- Vienna, VA
- State of incorporation
- Virginia
- Purpose of registration
- All Awards
- Website
- sosi.com
† FY2026 obligations (provisional; DoD awards signed after Aug 7, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Aug 7, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI UC4PNH5MVTF8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2004. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: -$530,432 (de-obligation) (provisional)
- FY2025: $7,519,844
- FY2024: $13,988,110
- FY2023: $14,146,778
- FY2022: $11,384,355
- FY2021: $25,511,822
- FY2020: $44,139,575
- FY2019: $72,734,330
Show all 22 yearsEarlier years (FY2004–FY2018)
- FY2018: $107,634,699
- FY2017: $92,708,221
- FY2016: $134,646,153
- FY2015: $137,443,826
- FY2014: $176,411,318
- FY2013: $163,821,373
- FY2012: $139,510,345
- FY2011: $186,969,580
- FY2010: $152,799,229
- FY2009: $152,743,776
- FY2008: $160,874,680
- FY2006: $191,486
- FY2005: $807,189
- FY2004: $1,080,457
Total across 22 fiscal years: $1,796,536,714
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$944,185,476, 52.6%
- Department of State$541,705,027, 30.2%
- Department of Homeland Security$84,144,907, 4.7%
- Department of Justice$45,787,980, 2.5%
- Department of Commerce$40,141,640, 2.2%
Top awarding sub-agencies
- Department of the Army$860,284,108, 47.9%
- Department of State$541,705,027, 30.2%
- U.S. Customs and Border Protection$64,469,047, 3.6%
- Department of the Navy$58,981,177, 3.3%
- Drug Enforcement Administration$45,787,980, 2.5%
Top NAICS by obligations
- 517110Wired telecommunications carriers$768,876,184, 42.8%
- 541511Custom computer programming services$449,072,273, 25.0%
- 541512Computer systems design services$125,898,035, 7.0%
- 541519Other computer related services$123,050,745, 6.8%
- 511210Software publishers$83,335,338, 4.6%
Top product and service codes by obligations
- D399IT and telecom- other IT and telecommunications$687,120,248, 38.2%
- D302IT and telecom- systems development$232,384,579, 12.9%
- D316IT and telecom- telecommunications network management$153,411,555, 8.5%
- D307Automated information system svcs$132,809,600, 7.4%
- D301IT and telecom- facility operation and maintenance$123,458,428, 6.9%
Capabilities
NAICS codes
- 517410Satellite Telecommunications(primary)
- 492110Couriers and Express Delivery ServicesSmall
- 517111Wired Telecommunications CarriersSmall
- 517112Wireless Telecommunications Carriers (except Satellite)Small
- 517121Telecommunications ResellersSmall
- 517810All Other Telecommunications
Show all 19 NAICS codes13 more NAICS codes
- 541330Engineering Services
- 541511Custom Computer Programming Services
- 541512Computer Systems Design Services
- 541513Computer Facilities Management Services
- 541519Other Computer Related Services
- 541611Administrative Management and General Management Consulting Services
- 541620Environmental Consulting Services
- 541690Other Scientific and Technical Consulting Services
- 541930Translation and Interpretation Services
- 561210Facilities Support Services
- 561611Investigation and Personal Background Check Services
- 561612Security Guards and Patrol Services
- 561621Security Systems Services (except Locksmiths)
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Federal Capability Statement
SOFTWARE DEVELOPMENT, DATABASE MANAGEMENT, ERP, EC/EDI, INFORMATION ASSURANCE, INFOSEC, TELECOMMUNICATION SERVICES, SYSTEMS DESIGN AND INTEGRATION, ENGINEERING SERVICES, FACILITIES MANAGEMENT, OUTSOURCING, BUSINESS CONSULTING AND COMMERCIAL SERVICES.
Capabilities & Services
Contracts
Latest awards and orders
- SAQMMA14C0166Definitive contractDepartment of StateLatest action
- SAQMMA14F2094Delivery orderunder a federal supply schedule (FSS)Department of StateLatest action
- TIRNO15D000130002Delivery orderunder an indefinite delivery contract (IDC)Department of the TreasuryInternal Revenue ServiceLatest action
- HSHQDC14DE2015Indefinite delivery contract (IDC)VehicleDepartment of Homeland SecurityOffice of Procurement OperationsLatest action
- 2B10Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- E116Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- SAQMMA12C0212Definitive contractDepartment of StateLatest action
- 2032H519F00009Delivery orderunder an indefinite delivery contract (IDC)Department of the TreasuryInternal Revenue ServiceLatest action
- 0009Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- 0016Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for STG LLC lists a physical address and a separate mailing address, along with 3 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts without a real name are not shown.
Physical Address
2650 PARK TOWER DR STE 300B
VIENNA, VA, 22180
USA
Mailing Address
1881 Campus Commons Drive, Suite 500
Reston, VA, 20191
USA
Government Business Contact
Elizabeth Caldera
1881 Campus Commons Drive
Suite 500
Reston, VA, 20190
USA
Electronic Business Contact
Brett J Surbey
Director of Contracts
1881 Campus Commons Drive
Suite 500
Reston, VA, 20190
USA
Electronic Business Alternate Contact
Elizabeth Caldera
1881 Campus Commons Drive
Suite 500
RESTON, VA, 20190
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
STG LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 31, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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