DOS, LLC (CA)
Registration facts
SAM.gov registration as of
- SAM.gov registration
- Active
- Registration expiration date Sep 15, 2027
Registration
- UEI
- NLCRTLGSJ5D5
- CAGE code
- 19F76
- Doing business as
- Zentanix
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- May 28, 2025 (1 year)
- Location
- Irvine, CA
- State of incorporation
- Montana
- Purpose of registration
- All Awards
- Website
- zentanix.com
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Minority-Owned Business
- Self Certified Small Disadvantaged Business
NAICS codes
- 334517Irradiation Apparatus Manufacturing(primary)Small
- 811210Electronic and Precision Equipment Repair and MaintenanceSmall
- 541380Testing Laboratories and ServicesSmall
- 334111Electronic Computer ManufacturingSmall
- 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceSmall
- 561621Security Systems Services (except Locksmiths)Small
Show all 11 NAICS codes5 more NAICS codes
- 423430Computer and Computer Peripheral Equipment and Software Merchant WholesalersSmall
- 423610Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant WholesalersSmall
- 449210Electronics and Appliance RetailersSmall
- 423490Other Professional Equipment and Supplies Merchant WholesalersSmall
- 335312Motor and Generator ManufacturingSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
Other contractors in California with primary NAICS 334517
- Astrophysics IncCity of Industry, CA
- Smiths Detection, IncNewark, CA · SAM.gov registration Expired
- J.L Shepherd and Associates, Inc.San Fernando, CA
- Varian Medical Systems, Inc.Milpitas, CA
- Foss Therapy Services, Inc.North Hollywood, CA
- Adelphi Technology IncRedwood City, CA
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI NLCRTLGSJ5D5. GovChime does not check exclusions.
Key Performance Statistics
View obligations by year, agencies and performance history
Capabilities
NAICS Codes
See all industry codes with contract counts
Product/Service Codes
As of . Source: SAM.gov Goods & Services.
No PSC codes reported
Certifications
Self-Certifications
Business Types
Contracts
Explore federal contract awards with detailed transaction history
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for DOS, LLC lists a physical address and a separate mailing address, along with 5 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 displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
209 STANFORD CT
IRVINE, CA, 92612
USA
Mailing Address
209 STANFORD CT
IRVINE, CA, 92612
USA
Government Business Contact
Mark Zayek
CEO
209 Stanford Ct
Irvine, CA, 92612
USA
Electronic Business Contact
Mary Zayek
VP of Marketing
209 Stanford Ct
Irvine, CA, 92612
USA
Past Performance Contact
Mary Zayek
VP of Marketing
209 Stanford Ct
Irvine, CA, 92612
USA
Government Business Alternate Contact
Mary Zayek
VP of Marketing
209 Stanford Ct
Irvine, CA, 92612
USA
Electronic Business Alternate Contact
Mark Zayek
CEO
209 Stanford Ct
Irvine, CA, 92612
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
DOS, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 15, 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
Registered for disaster relief contracting
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govDate Founded
Initial Registration
Last Update
Registration Activation
Registration Expiration
Fiscal Year End
State of Incorporation
Country of Incorporation
Congressional District
Entity Website