NAICS/SOC Codes

North American Industry Classification Systems (NAICS)/Standard Industrial Classifications (SIC) & Standard Occupational Code (SOC) Listings

Systems integration businesses and their employees are often misclassified when filing for a variety of business purposes: tax status, wage classification on job sites, and insurance. NSCA has identified key codes for both the occupation and the industry to help simplify business needs and, in many cases, save significant money. We do not support the use of a classification outside the primary scope of work being conducted by a particular business.

The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. This system replaced the Standard Industrial Classification (SIC) in 1997.

Please note that this code describes industries and does not describe occupations held by people within that industry. (See the SOC table.)

For more information and to find additional categories, please visit http://www.census.gov/eos/www/naics/.

2007 NAICS 2002 NAICS 1997 NAICS Corresponding Index Entries SIC
238210 238210 235310 Airport runway lighting contractors 1731
561621 561621 561621 Alarm system monitoring services 7382
561621 561621 561621 Alarm systems sales combined with installation, repair, or monitoring services 7382
238210 238210 235310 Alarm system (e.g., fire, burglar), electric, installation only 1731
238210 238210 235310 Audio equipment installation (except automotive) contractors 1731
238210 238210 235310 Building automation system installation contractors 1731
561621 561621 561621 Burglar alarm monitoring services 7382
561621 561621 561621 Burglar alarm sales combined with installation, repair, or monitoring services 7382
238210 238210 235310 Burglar alarm system, electric, installation only 1731
238210 238210 235310 Cable splicing, electrical or fiber optic 1731
238210 238210 235310 Cable television hookup contractors 1731
238210 238210 235310 Communication equipment installation 1731
238210 238210 235310 Computer and network cable installation 1731
238210 238210 235110 Control system (e.g., environmental, humidity, temperature) installation 1711
238210 238210 235310 Electric contracting 1731
238210 238210 235310 Electric power control panel and outlet installation 1731
238210 238210 235310 Electrical contractors 1731
238210 238210 235310 Electrical equipment and appliance installation 1731
238210 238210 235310 Electrical wiring contractors 1731
238210 238210 235310 Electrical work 1731
238210 238210 235310 Electrical, electrical wiring, and low voltage electrical work 1731
238210 238210 235310 Electrician 1731
238210 238210 235310 Electronic containment fencing for pets, installation 1731
238210 238210 235310 Electronic control installation and service 1731
238210 238210 235310 Electronic control system installation 1731
238210 238210 235110 Environmental control system installation 1711
238210 238210 235310 Fiber optic cable (except transmission lines) installation 1731
561621 561621 561621 Fire alarm monitoring services 7382
561621  561621 561621 Fire alarm sales combined with installation, repair, or monitoring services 7382
238210 238210 235310 Fire alarm system, electric, installation only 1731
238210 238210 235310 Highway, street and bridge lighting and electrical signal installation 1731
238210 238210 235310 Home automation system installation 1731
238210 238210 235310 Home theater installation 1731
238210 238210 235110 Humidity control system installation 1711
238210 238210 235310 Intercommunication (intercom) system installation 1731
238210 238210 235310 Lighting system installation 1731
238210 238210 235310 Low voltage electrical work 1731
238210 238210 235310 Private driveway or parking area lighting contractors 1731
238210 238210 235310 Public address system installation 1731
238210 238210 235310 Railroad signalling equipment installation 1731
561621 561621 561621 Security alarm systems sales combined with installation, repair, or monitoring services 7382
561621  561621 561621 Security system monitoring services 7382
238210 238210 235310 Security and fire system, installation only 1731
238210 238210 235310 Smoke detection system, installation only 1731
238210 238210 235310 Snow melting cable, electric, installation 1731
238210 238210 235310 Sound equipment installation 1731
238210 238210 235310 Surveillance system, installation only 1731
238210 238210 235310 Telecommunications equipment and wiring (except transmission line) installation contractors 1731
238210 238210 235310 Telephone equipment and building wiring installation 1731
238210 238210 235310 Telephone installation contractors 1731
238210 238210 235110 Temperature control system installation 1711
238210 238210 235310 Traffic signal installation 1731
238210 238210 235310 Tunnel lighting contractors 1731

Standard Occupational Classifications

The Standard Occupational Classification (SOC) system is used by U.S. government agencies to classify workers into occupational categories for the purposes of collecting, calculating or disseminating data. Please note that this code describes occupations held by individuals and does not describe the industries in which people work. (See the SIC table for that.) We have compiled a partial listing of codes pertinent to the commercial electronic systems industry; for the complete listing of all SOC Codes, visit the Bureau of Labor Statistics.

SOC Code Description
27-4000 Media and Communication Equipment Workers
27-4010 Broadcast and Sound Engineering Technicians and Radio Operators
27-4011 Audio and Video Equipment Technicians
27-4012 Broadcast Technicians
27-4013 Radio Operators
27-4014 Sound Engineering Technicians
47-2000 Construction Trades Workers
47-2111 Electricians
49-2000 Electrical and Electronic Equipment Mechanics, Installers, and Repairers
49-2020 Radio and Telecommunications Equipment Installers and Repairers
49-2021 Radio Mechanics
49-2022 Telecommunications Equipment Installers and Repairers, Except Line Installers
49-2022.03 Electronic Systems Technician
49-2090 Miscellaneous Electrical and Electronic Equipment Mechanics, Installers, and Repairers
49-2091 Avionics Technicians
49-2092 Electric Motor, Power Tool and Related Repairers
49-2093 Electrical and Electronics Installers and Repairers, Transportation Equipment
49-2094 Electrical and Electronics Repairers, Commercial and Industrial Equipment
49-2096 Electronic Equipment Installers and Repairers, Motor Vehicles
49-2097 Electronic Home Entertainment Equipment Installers and Repairers
49-2098 Security and Fire Alarm Systems Installers
49-9050 Line Installers and Repairers
49-9052 Telecommunications Line Installers and Repairers
49-9090 Miscellaneous Installation, Maintenance, and Repair Workers
49-9096 Riggers
27-1000 Art and Design Workers
27-1020 Designers
27-1029 Designers, All Other

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