S4, LLC (VA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $192.34M
- $192,340,991under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 123
- with positive net obligations22 IDV vehicles held
- Latest action
- Oct 20, 2026
- SAM.gov registration
- Active
- Registration expiration date Feb 1, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Apr 12, 1996 (30 years)
- Location
- Vienna, VA
- State of incorporation
- Massachusetts
- Website
- knexus.ai
† FY2026 obligations (provisional; DoD awards signed after Aug 1, 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 1, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI GK85NUFGM5H1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. 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
- FY2025: $5,000
- FY2024: $362,012
- FY2023: $271,519
- FY2022: $4,506,185
- FY2021: $9,416,819
- FY2020: $8,315,157
- FY2019: $15,363,005
- FY2018: $21,782,597
Show all 18 yearsEarlier years (FY2008–FY2017)
- FY2017: $25,183,795
- FY2016: $16,198,319
- FY2015: $12,250,421
- FY2014: $10,255,884
- FY2013: $9,809,554
- FY2012: $7,298,616
- FY2011: $11,561,263
- FY2010: $12,385,512
- FY2009: $11,176,821
- FY2008: $16,198,512
Total across 18 fiscal years: $192,340,991
Top awarding agencies
- Department of Defense$181,308,994, 94.3%
- General Services Administration$9,759,508, 5.1%
- Department of Homeland Security$648,096, 0.3%
- Department of Energy$528,730, 0.3%
- Environmental Protection Agency$95,663, <0.1%
Top awarding sub-agencies
- Department of the Air Force$155,017,717, 80.6%
- Defense Information Systems Agency$20,549,583, 10.7%
- Federal Acquisition Service$7,936,296, 4.1%
- Department of the Army$4,000,121, 2.1%
- Federal Acquisition Service$1,823,211, 0.9%
Top NAICS by obligations
- 541519Other computer related services$90,184,929, 46.9%
- 541330Engineering services$67,916,381, 35.3%
- 541511Custom computer programming services$14,888,170, 7.7%
- 541513Computer facilities management services$9,517,000, 4.9%
Top product and service codes by obligations
- R425Support- professional: engineering/technical$71,904,918, 37.4%
- D301IT and telecom- facility operation and maintenance$40,446,811, 21.0%
- D399Other adp & telecommunications svcs$34,232,012, 17.8%
- D316IT and telecom- telecommunications network management$20,418,284, 10.6%
- R408Program management/support services$5,304,672, 2.8%
Capabilities
NAICS codes
- 541330E(primary)
- 541511Custom Computer Programming ServicesSmall
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541519E
- 541611Administrative Management and General Management Consulting ServicesSmall
Show all 19 NAICS codes13 more NAICS codes
- 541613Marketing Consulting ServicesSmall
- 541618Other Management Consulting ServicesSmall
- 541690Other Scientific and Technical Consulting ServicesSmall
- 541715E
- 541820Public Relations AgenciesSmall
- 541840Media RepresentativesSmall
- 541990All Other Professional, Scientific, and Technical ServicesSmall
- 561110Office Administrative ServicesSmall
- 561210Facilities Support ServicesSmall
- 561410Document Preparation ServicesSmall
- 561990All Other Support ServicesSmall
- 611420Computer TrainingSmall
- 611699All Other Miscellaneous Schools and InstructionSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Self Certified Small Disadvantaged Business
Product and service codes (PSC)
- R408SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT
- R422SUPPORT- PROFESSIONAL: MARKET RESEARCH/PUBLIC OPINION
- R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
- R499SUPPORT- PROFESSIONAL: OTHER
- R699SUPPORT- ADMINISTRATIVE: OTHER
- R707SUPPORT- MANAGEMENT: CONTRACT/PROCUREMENT/ACQUISITION SUPPORT
- R799SUPPORT- MANAGEMENT: OTHER
Contracts
Latest awards and orders
- 47QRCA25DU283Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA25DS454Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QTCA19D00H2Federal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- W52P1J18DA123Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- N0017819D8446Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- N0017819F8446Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- FA259520F0015Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the Air ForceLatest action
- SP470917D0128Indefinite delivery contract (IDC)VehicleDepartment of DefenseDefense Logistics AgencyLatest action
- FA259520F0006Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the Air ForceLatest action
- 0003Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDefense Contract Management AgencyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for S4, LLC lists a physical address and a separate mailing address, along with 6 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
1951 KIDWELL DR STE 240
VIENNA, VA, 22182
USA
Mailing Address
1951 KIDWELL DR STE 240
VIENNA, VA, 22182
USA
Government Business Contact
ADAM J LURIE
MR.
1951 KIDWELL DR.
SUITE 240
VIENNA, VA, 22182
USA
Electronic Business Contact
DAWNN MCCULLOUGH
MRS.
31 HOLLI LN
MUSCLE SHOALS, AL, 35661
USA
Past Performance Contact
Patrick Brosnan
Mr.
213 Burlington Road
Suite 107
Bedford, MA, 01730
USA
Government Business Alternate Contact
ADAM J LURIE
MR.
1951 KIDWELL DR.
SUITE 240
VIENNA, VA, 22182
USA
Electronic Business Alternate Contact
Patrick J Brosnan
Mr.
213 BURLINGTON ROAD
Suite 107
Bedford, MA, 01730
USA
Past Performance Alternate Contact
0003 541330YYYY~541519YY ~541715YYYY N
0000
0000
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
S4, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires February 1, 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