General information for S4, LLC
Physical address
1951 Kidwell Dr Ste 240, Vienna, Va, 22182
Mailing address
1951 Kidwell Dr Ste 240, Vienna, VA, 22182
Website
knexus.ai
Points of contact for S4, LLC
SAM.gov Points of Contact
Adam
Lurie
Government Business POC
Electronic Business POC
Mr.
1951 Kidwell Dr., Suite 240, Vienna, VA, 22182
Dawnn
McCullough
Alternate Government Business POC
Mrs.
31 Holli Ln, Muscle Shoals, AL, 35661
Additional contact details may be available
NAICS codes for S4, LLC
| Code | Description | Small Business |
|---|---|---|
|
541519
PRIMARY
|
Other Computer Related Services
|
No
|
| 541330 | Engineering Services | No |
| 541511 | Custom Computer Programming Services | No |
| 541512 | Computer Systems Design Services | No |
|
541513
|
Computer Facilities Management Services
|
No
|
|
541611
|
Administrative Management and General Management Consulting Services
|
No
|
|
541613
|
Marketing Consulting Services
|
No
|
|
541618
|
Other Management Consulting Services
|
No
|
|
541690
|
Other Scientific and Technical Consulting Services
|
No
|
|
541715
|
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
|
No
|
|
541820
|
Public Relations Agencies
|
No
|
|
541840
|
Media Representatives
|
No
|
|
541990
|
All Other Professional, Scientific, and Technical Services
|
No
|
|
561110
|
Office Administrative Services
|
No
|
|
561210
|
Facilities Support Services
|
No
|
|
561410
|
Document Preparation Services
|
No
|
|
561990
|
All Other Support Services
|
No
|
|
611420
|
Computer Training
|
No
|
|
611699
|
All Other Miscellaneous Schools and Instruction
|
No
|
PSC codes for S4, LLC
| Code | Description |
|---|---|
| R408 | SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT |
| R422 | SUPPORT- PROFESSIONAL: MARKET RESEARCH/PUBLIC OPINION |
| R425 | SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL |
|
R499
|
SUPPORT- PROFESSIONAL: OTHER
|
|
R699
|
SUPPORT- ADMINISTRATIVE: OTHER
|
|
R707
|
SUPPORT- MANAGEMENT: CONTRACT/PROCUREMENT/ACQUISITION SUPPORT
|
|
R799
|
SUPPORT- MANAGEMENT: OTHER
|
Update history
19 change(s) tracked
Feb 4, 2026
NAICS 611699: small-business status Yes → No
Feb 4, 2026
NAICS 611420: small-business status Yes → No
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