2022 NAICS industry in sector 54 Professional, Scientific, and Technical Services
54151 Computer Systems Design and Related Services
NAICS 54151 is the US industry code for computer systems design and related services. It covers establishments primarily engaged in providing expertise in the field of information technologies through one or more of the following activities: (1) writing, modifying, testing, and supporting software to meet the needs of a particular customer; (2) planning and designing computer systems that integrate computer hardware, software, and communication technologies; (3) on-site management and operation of clients' computer systems and/or data processing facilities; and (4) other professional and technical computer related advice and services.
Official definition
This industry comprises establishments primarily engaged in providing expertise in the field of information technologies through one or more of the following activities: (1) writing, modifying, testing, and supporting software to meet the needs of a particular customer; (2) planning and designing computer systems that integrate computer hardware, software, and communication technologies; (3) on-site management and operation of clients' computer systems and/or data processing facilities; and (4) other professional and technical computer related advice and services.
Examples Census gives
- Computer facilities management services
- Custom computer programming services
- Computer systems integration design services
- Computer hardware or software consulting services
- Software installation services
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Providing robotics engineering design, integration, and related consulting services for industrial and manufacturing facilities and processes are classified in Industry 54133, Engineering Services.
- Retailing computer hardware or software products and systems and providing supporting services, such as customized assembly of personal computers are classified in Industry 44921, Electronics and Appliance Retailers.
- Merchant wholesaling computer hardware or software products and providing supporting services, such as customized assembly of personal computers are classified in Industry 42343, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers.
- Software design, development, and publishing, or software publishing only are classified in Industry 51321, Software Publishers.
- Providing computer data processing services at their own facility for others are classified in Industry 51821, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services.
- Providing computer training (except computer repair), such as programming, software, systems, and network management training are classified in Industry 61142, Computer Training.
- Repairing computer, computer peripheral, and communication equipment are classified in Industry 81121, Electronic and Precision Equipment Repair and Maintenance.
Codes in 54151
Data last changed November 14, 2026. How this page is built.