Active registration

Dos, LLC

DBA Zentanix
Irvine, CA

General information for Dos, LLC

Physical address
209 Stanford Ct, Irvine, Ca, 92612
Mailing address
209 Stanford Ct, Irvine, CA, 92612
Website
zentanix.com

Points of contact for Dos, LLC

SAM.gov Points of Contact

Mark Zayek
Government Business POC Electronic Business POC
CEO
209 Stanford Ct, Irvine, CA, 92612
Mary Zayek
Alternate Government Business POC Alternate Electronic Business POC
VP of Marketing
209 Stanford Ct, Irvine, CA, 92612

Additional contact details may be available

NAICS codes for Dos, LLC

Code Description Small Business
334517 PRIMARY Irradiation Apparatus Manufacturing Yes
334111 Electronic Computer Manufacturing Yes
335312 Motor and Generator Manufacturing Yes
423430
Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
Yes
423510
Metal Service Centers and Other Metal Merchant Wholesalers
Yes
423610
Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
Yes
423690
Other Electronic Parts and Equipment Merchant Wholesalers
Yes
423830
Industrial Machinery and Equipment Merchant Wholesalers
Yes
449210
Electronics and Appliance Retailers
Yes
541380
Testing Laboratories and Services
Yes
561621
Security Systems Services (except Locksmiths)
Yes

PSC codes for Dos, LLC

Code Description
6110 ELECTRICAL CONTROL EQUIPMENT
6115 GENERATORS AND GENERATOR SETS, ELECTRICAL
6120 TRANSFORMERS: DISTRIBUTION AND POWER STATION
6150
MISCELLANEOUS ELECTRIC POWER AND DISTRIBUTION EQUIPMENT
6350
MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
H163
QUALITY CONTROL- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
H263
EQUIPMENT AND MATERIALS TESTING- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
H363
INSPECTION- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
H963
OTHER QUALITY CONTROL, TESTING, AND INSPECTION- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
J063
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
K063
MODIFICATION OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
L063
TECHNICAL REPRESENTATIVE- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
N063
INSTALLATION OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
W059
LEASE OR RENTAL OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS
W061
LEASE OR RENTAL OF EQUIPMENT- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT
W063
LEASE OR RENTAL OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS
W099
LEASE OR RENTAL OF EQUIPMENT- MISCELLANEOUS

Update history

1 change(s) tracked
Apr 1, 2026
NAICS 423610 is no longer the primary code
Subscribe to see every tracked change to this contractor's registration, codes and certifications.