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Identification Numbers and NAICS Codes

To assist government agencies and contracting partners, below are key identification numbers and codes for E2.

Identification Numbers


  • DUNS #: 88-351-9415 (Data Universal Number System)
  • CAGE Code: 02PB3 (Commercial and Government Entity)
  • Tax Identification Number (TIN): 88-0327784

NAICS Codes

NAICS United States Description
NAICS Code Description of Products/Services
541512 Computer Systems Design Services (pt)
334111 Electronic Computer Manufacturing
334112 Computer Storage Device Manufacturing
334113 Computer Terminal Manufacturing
334119 Other Computer Peripheral Equipment Manufacturing (pt)
333313 Office Machinery Manufacturing (pt)
517910 Other Telecommunications
423430
443120
Computer and Computer Peripheral Equipment and Software Wholesalers
Computer and Software Stores (pt) – Retail
423440 Other Commercial Equipment Merchant Wholesalers
423490
453210
Other Professional Equipment and Supplies Merchant Wholesalers
Office Supplies and Stationery Stores (pt) – Retail
541511 Custom Computer Programming Services
511210 Software Publishers
518112 On-Line Information Services
541513 Computer Facilities Management Services
532420 Office Machinery and Equipment Rental and Leasing(pt)
811212 Computer and Office Machine Repair and Maintenance (pt)
518210
541512
541519
519190
Data Processing, Hosting and Related Services (pt)
Computer Systems Design Services (pt)
Other Computer Related Services
All Other Information Services
541330 Engineering Services (pt)
561110
541214
541219
Office Administrative Services
Payroll Services
Other Accounting Services
541611
541612
541613
541614
Administrative Management and General Management Consulting Services
Human Resources and Executive Search Consulting Services (pt)
Marketing Consulting Services
Consulting Process, Physical Distribution, and Logistics Consulting Services (pt)
541690
541618
Other Scientific and Technical Consulting Services(pt)
Other Management Consulting Services

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