| NAICS Codes | NAICS Title | Rationale |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | Involves installing and maintaining electrical wiring and cabling systems, including network and data center cabling. |
| 334111 | Electronic Computer Manufacturing | Manufacturing and assembling electronic computers, such as mainframes and personal computers. |
| 334112 | Computer Storage Device Manufacturing | Manufacturing computer storage devices like hard drives and solid-state drives. |
| 334118 | Computer Terminal and Other Computer Peripheral Equipment Manufacturing | Manufacturing computer terminals and peripherals like keyboards and printers. |
| 334210 | Telephone Apparatus Manufacturing | Manufacturing wired telephone and data communications equipment. |
| 334220 | Radio and Television Broadcasting and Wireless Communications | Manufacturing equipment for broadcasting and wireless communications. |
| 334290 | Other Communications Equipment Manufacturing | Manufacturing communications equipment not classified elsewhere. |
| 334310 | Audio and Video Equipment Manufacturing | Manufacturing audio and video equipment. |
| 334419 | Other Electronic Component Manufacturing | Manufacturing electronic components not classified elsewhere. |
| 423420 | Office Equipment Merchant Wholesalers (NMR) | Wholesaling office equipment, excluding computers and peripheral equipment. |
| 423430 | Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | Wholesaling computers, peripherals, and software. |
| 423620 | Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | Wholesaling a variety of electronic parts and equipment. |
| 423690 | Other Electronic Parts and Equipment Merchant Wholesalers (NMR) | Wholesaling electronic parts and equipment not classified elsewhere. |
| 449210 | Electronics and Appliance Retailers | Retailing electronics and appliances. |
| 492210 | Local Messengers and Local Delivery | Providing local delivery and messenger services. |
| 513210 | Software Publishers | Custom software |
| 517810 | All Other Telecommunication | Providing other telecommunication |
| 518210 | Data Processing, Hosting, and Related Services | Providing infrastructure for hosting or data processing services. |
| 532210 | Computer Electronics and Appliances Rental | Renting computer electronics and appliances. |
| 532420 | Office Machinery and Equipment Rental and Leasing | Renting and leasing office machinery and equipment. |
| 541310 | Architectural Services | Providing architectural services. |
| 541330 | Engineering Services | Providing engineering services for various projects. |
| 541360 | Geophysical Surveying and Mapping Services | Conducting geophysical surveying and mapping. |
| 541370 | Surveying and Mapping (Except Geophysical) Services | Providing surveying and mapping services, excluding geophysical. |
| 541410 | Interior Design Services | Providing interior design services. |
| 541490 | Other Specialized Design Services | Providing specialized design services not classified elsewhere. |
| 541511 | Custom Computer Programming Services | Writing, modifying, testing, and supporting software. |
| 541512 | Computer Systems Design Services | Designing and implementing computer systems. |
| 541513 | Computer Facilities Management Services | Managing and operating computer systems and facilities. |
| 541519 | Other Computer Related Services (ITVAR; NMR) | Providing specialized computer-related services, including ITVAR activities. |
| 541611 | Administrative Management and General Management Consulting | Providing management consulting services. |
| 541618 | Other Management Consulting Services | Providing various management consulting services. |
| 541620 | Environmental Consulting Services | Providing environmental consulting services. |
| 541690 | Other Scientific and Technical Consulting Services | Providing scientific and technical consulting services not classified elsewhere. |
| 541990 | All Other Professional, Scientific, and Technical Services | Providing professional, scientific, and technical services not classified elsewhere. |
| 561110 | Office Administrative Services | Providing office administrative and support services. |
| 561210 | Facilities Support Services | Providing support services within facilities. |
| 561621 | Security Systems Services (Except Locksmiths) | Installing, repairing, or monitoring security systems. |
