North American Industry Classification System (NAICS)
- 236220 - Commercial and Institutional Building Construction
- 238210 - Electrical Contractors and Other Wiring Installation Contractors
- 334111 - Electronic Computer Manufacturing
- 334119 - Other Computer Peripheral Equipment Manufacturing
- 423430 - Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
- 443120 - Computer and Software Stores
- 511210 - Software Publishers
- 518210 - Data Processing, Hosting, and Related Services
- 541310 - Architectural Services
- 541330 - Engineering Services
- 541340 - Drafting Services
- 541430 - Graphic Design Services
- 541511 - Custom Computer Programming Services
- 541512 - Computer Systems Design Services
- 541513 - Computer Facilities Management Services
- 541519 - Other Computer Related Services
- 541611 - Administrative Management and General Management Consulting Services
- 541612 - Human Resources Consulting Services
- 541690 - Other Scientific and Technical Consulting Services
- 541990 - All Other Professional, Scientific, and Technical Services