General information for Keystone Systems LLC
Physical address
12052 Kemps Landing Cir, Manassas, Va, 20109
Mailing address
25050 Riding Plaza, Suite 130 #179, Chantilly, VA, 20152
Website
ksenterpriseit.com
Points of contact for Keystone Systems LLC
SAM.gov Points of Contact
Mariam
Nafey
Government Business POC
Electronic Business POC
CEO
12052 Kemps Landing Circle, Manassas, VA, 20109
Additional contact details may be available
NAICS codes for Keystone Systems LLC
| Code | Description | Small Business |
|---|---|---|
|
541512
PRIMARY
|
Computer Systems Design Services
|
Yes
|
| 518210 | Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | Yes |
| 541380 | Testing Laboratories and Services | Yes |
| 541511 | Custom Computer Programming Services | Yes |
|
541513
|
Computer Facilities Management Services
|
Yes
|
|
541611
|
Administrative Management and General Management Consulting Services
|
Yes
|
|
541618
|
Other Management Consulting Services
|
Yes
|
|
541690
|
Other Scientific and Technical Consulting Services
|
Yes
|
|
561110
|
Office Administrative Services
|
Yes
|
|
561621
|
Security Systems Services (except Locksmiths)
|
Yes
|
|
611420
|
Computer Training
|
Yes
|
|
611430
|
Professional and Management Development Training
|
Yes
|
SBA business types for Keystone Systems LLC
| Type | Entry Date | Exit Date |
|---|---|---|
| SBA-Certified Economically Disadvantaged Women-Owned Small Business | Jul 30, 2026 | Active |
| SBA-Certified Women-Owned Small Business | Jul 30, 2026 | Active |
Update history
3 change(s) tracked
Aug 7, 2026
Added SBA certification A0 — SBA-Certified Economically Disadvantaged Women-Owned Small Business
Added SBA certification A9 — SBA-Certified Women-Owned Small Business
Aug 7, 2026
Removed NAICS 541519 — Other Computer Related Services
Removed NAICS 561720 — Janitorial Services
Removed NAICS 561740 — Carpet and Upholstery Cleaning Services
Removed NAICS 812990 — All Other Personal Services
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