100 NAICS industries for “system optimization support ltd”
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NAICS (North American Industry Classification System) classifies businesses by their primary activity. It is used for government statistics, contracting, marketing, and business research. Learn about NAICS →
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336340 Motor Vehicle Brake System Manufacturing
Manufacturing and/or rebuilding motor vehicle brake systems and related components.
65 U.S. business records
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333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
Manufacturing overhead traveling cranes, hoists, and monorail systems.
356 U.S. business records
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Manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments.
1,751 U.S. business records
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221310 Water Supply and Irrigation Systems
Operating water treatment plants and/or operating water supply systems.
4,492 U.S. business records
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541512 Computer Systems Design Services
Planning and designing computer systems that integrate computer hardware, software, and communication technologies.
17,705 U.S. business records
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561621 Security Systems Services (except Locksmiths)
This U.S. industry comprises establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.
5,308 U.S. business records
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485111 Mixed Mode Transit Systems
Operating local and suburban ground passenger transit systems using more than one mode of transport over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.
On Request
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485112 Commuter Rail Systems
Operating local and suburban commuter rail systems over regular routes and on a regular schedule within a metropolitan area and its adjacent nonurban areas.
241 U.S. business records
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485119 Other Urban Transit Systems
Operating local and suburban ground passenger transit systems (except mixed mode transit systems, commuter rail systems, and buses and other motor vehicles) over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.
1,499 U.S. business records
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485113 Bus and Other Motor Vehicle Transit Systems
Operating local and suburban passenger transportation systems using buses or other motor vehicles over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.
On Request
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611710 Educational Support Services
Providing non-instructional services that support educational processes or systems.
22,062 U.S. business records
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213112 Support Activities for Oil and Gas Operations
Performing support activities, on a contract or fee basis, for oil and gas operations.
Excludes: geophysical surveying and mapping, site preparation, construction, and transportation activities.
2,080 U.S. business records
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561210 Facilities Support Services
Providing operating staff to perform a combination of support services within a client's facilities.
1,331 U.S. business records
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238910 Site Preparation Contractors
Site preparation activities, such as excavating and grading, demolition of buildings and other structures, and septic system installation.
30,629 U.S. business records
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221121 Electric Bulk Power Transmission and Control
Operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities.
On Request
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221210 Natural Gas Distribution
This industry comprises: (1) establishments primarily engaged in operating gas distribution systems (e.g., mains, meters); (2) establishments known as gas marketers that buy gas from the well and sell it to a distribution system; (3) establishments known as gas brokers or agents that arrange the sale of gas over gas distribution systems operated by others; and (4) establishments primarily engaged in transmitting and distributing gas to final consumers.
1,877 U.S. business records
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483113 Coastal and Great Lakes Freight Transportation
Providing water transportation of cargo in coastal waters, on the Great Lakes System, or deep seas between ports of the United States, Puerto Rico, and United States island possessions or protectorates.
47 U.S. business records
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333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing
This U.S. industry comprises establishments primarily engaged in (1) manufacturing measuring and dispensing pumps, such as gasoline pumps and lubricating oil measuring and dispensing pumps and/or (2) manufacturing general purpose pumps and pumping equipment (except fluid power pumps and motors), such as reciprocating pumps, turbine pumps, centrifugal pumps, rotary pumps, diaphragm pumps, domestic water system pumps, oil well and oil field pumps, and sump pumps.
678 U.S. business records
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221320 Sewage Treatment Facilities
Operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.
386 U.S. business records
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541511 Custom Computer Programming Services
Writing, modifying, testing, and supporting software to meet the needs of a particular customer.
computer software support services, custom, search engine optimization (seo) services, custom (except hosting…
20,016 U.S. business records
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541330 Engineering Services
Applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems.
38,516 U.S. business records
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336411 Aircraft Manufacturing
One or more of the following: (1) manufacturing or assembling complete aircraft; (2) developing and making aircraft prototypes; (3) aircraft conversion (i.e., major modifications to systems); and (4) complete aircraft overhaul and rebuilding (i.e., periodic restoration of aircraft to original design specifications).
…(i.e., major modifications to system)
584 U.S. business records
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517810 All Other Telecommunications
Providing specialized telecommunications services, such as satellite tracking, communications telemetry, and radar station operation.
telemetry and tracking system operations on a contract or fee basis
13,576 U.S. business records
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332911 Industrial Valve Manufacturing
Manufacturing industrial valves and valves for water works and municipal water systems.
170 U.S. business records
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541513 Computer Facilities Management Services
Providing on-site management and operation of clients' computer systems and/or data processing facilities.
378 U.S. business records
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221122 Electric Power Distribution
This U.S. industry comprises electric power establishments primarily engaged in either (1) operating electric power distribution systems (i.e., consisting of lines, poles, meters, and wiring) or (2) operating as electric power brokers or agents that arrange the sale of electricity via power distribution systems operated by others.
2,715 U.S. business records
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486210 Pipeline Transportation of Natural Gas
The pipeline transportation of natural gas from processing plants to local distribution systems.
158 U.S. business records
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611420 Computer Training
Conducting computer training (except computer repair), such as instruction in computer programming, software applications, computerized business systems, computer electronics technology, computer operations, and local area network management.
1,317 U.S. business records
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339114 Dental Equipment and Supplies Manufacturing
Manufacturing dental equipment and supplies used by dental laboratories and offices of dentists, such as dental chairs, dental instrument delivery systems, dental hand instruments, dental impression material, and dental cements.
366 U.S. business records
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334310 Audio and Video Equipment Manufacturing
Manufacturing electronic audio and video equipment for home entertainment, motor vehicles, and public address and musical instrument amplification.
659 U.S. business records
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518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
Providing computing infrastructure, data processing services, Web hosting services (except software publishing), and related services, including streaming support services (except streaming distribution services).
10,897 U.S. business records
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483114 Coastal and Great Lakes Passenger Transportation
Providing water transportation of passengers in coastal waters, the Great Lakes System, or deep seas between ports of the United States, Puerto Rico, and United States island possessions and protectorates.
7 U.S. business records
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334210 Telephone Apparatus Manufacturing
Manufacturing wire telephone and data communications equipment.
156 U.S. business records
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336412 Aircraft Engine and Engine Parts Manufacturing
One or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).
…engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircra…
330 U.S. business records
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517410 Satellite Telecommunications
Providing telecommunications services to other establishments in the telecommunications and broadcasting industries by forwarding and receiving communications signals via a system of satellites or reselling satellite telecommunications.
4 U.S. business records
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621320 Offices of Optometrists
This industry comprises establishments of health practitioners having the degree of O.D.
47,076 U.S. business records
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237990 Other Heavy and Civil Engineering Construction
Heavy and civil engineering construction projects.
Excludes: highway, street, bridge, and distribution line construction.
earth retention system construction, light rail system construction, sediment control system construction
4,990 U.S. business records
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238210 Electrical Contractors and Other Wiring Installation Contractors
Installing and servicing electrical wiring and equipment.
alarm system (e.g., fire, burglar), electric, installation only, building automation system installation contr…
55,951 U.S. business records
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238220 Plumbing, Heating, and Air-Conditioning Contractors
Installing and servicing plumbing, heating, and air-conditioning equipment.
warehouse refrigeration system installation, warm air heating system installation, water system balancing and…
88,738 U.S. business records
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238290 Other Building Equipment Contractors
Installing or servicing building equipment.
Excludes: electrical, plumbing, heating, cooling, or ventilation equipment.
conveyor system installation, deodorization (i.e., air filtration) system installation, pneumatic tube conveyo…
2,215 U.S. business records
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334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
Manufacturing radio and television broadcast and wireless communications equipment.
global positioning system (gps) equipment manufacturing, gps (global positioning system) equipment manufacturi…
848 U.S. business records
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237110 Water and Sewer Line and Related Structures Construction
The construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks.
pumping station, water and sewage system, construction, water system storage tank and tower construction, wate…
7,414 U.S. business records
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238390 Other Building Finishing Contractors
Building finishing trade work.
Excludes: drywall, plaster, and insulation work; painting and wall covering work; flooring work; tile and terrazzo work; and finish carpentry work.
closet organizer system installation, modular furniture system attachment and installation, office furniture…
1,718 U.S. business records
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238310 Drywall and Insulation Contractors
Drywall, plaster work, and building insulation work.
exterior insulation finish system installation, fabric wall system, noise insulating, installation
10,475 U.S. business records
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238990 All Other Specialty Trade Contractors
Specialized trades.
Excludes: foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors.
safety net system, erecting and dismantling at construction site
46,275 U.S. business records
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811114 Specialized Automotive Repair
Providing specialized mechanical or electrical repair and maintenance services (except engine repair and replacement) for automotive vehicles, such as passenger cars, trucks, and vans, and all trailers.
automotive exhaust system repair and replacement shops, exhaust system repair and replacement shops, automotiv…
10,879 U.S. business records
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517111 Wired Telecommunications Carriers
Operating, maintaining, and/or providing access to transmission facilities and infrastructure that they own and/or lease for the transmission of voice, data, text, sound, and video using wired telecommunications networks.
direct-to-home satellite system (dth) services, satellite television distribution systems
2,404 U.S. business records
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449210 Electronics and Appliance Retailers
One of the following: (1) retailing an array of new household-type appliances and consumer-type electronic products, such as televisions, computers, electronic tablets, and cameras; (2) specializing in retailing a single line of new consumer-type electronic products; (3) retailing these new products in combination with repair and support services; (4) retailing new prepackaged or downloadable computer software (without publishing); and/or (5) retailing prerecorded audio and video media, such as downloadable digital music and video files (without production or publishing), CDs, and DVDs.
…in combination with repair and support services; (4) retailing new prepackaged or downloadable computer softwa…
32,457 U.S. business records
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334290 Other Communications Equipment Manufacturing
Manufacturing communications equipment.
Excludes: telephone apparatus, radio and television broadcast equipment, and wireless communications equipment.
alarm system central monitoring equipment manufacturing, alarm systems and equipment manufacturing, automotive…
1,012 U.S. business records
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337910 Mattress Manufacturing
Manufacturing innerspring, box spring, and noninnerspring mattresses.
beds, sleep-system ensembles (i.e., flotation, adjustable), manufacturing
236 U.S. business records
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334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing
Manufacturing computer terminals and other computer peripheral equipment.
Excludes: storage devices.
biometrics system input devices (e.g., retinal scan, iris pattern recognition, hand geometry) manufacturing
418 U.S. business records
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541370 Surveying and Mapping (except Geophysical) Services
Performing surveying and mapping services of the surface of the earth, including the sea floor.
geographic information system (gis) base mapping services
6,191 U.S. business records
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325412 Pharmaceutical Preparation Manufacturing
Manufacturing in-vivo diagnostic substances and pharmaceutical preparations (except biological) intended for internal and external consumption in dose forms, such as ampoules, tablets, capsules, vials, ointments, powders, solutions, and suspensions.
central nervous system stimulant preparations manufacturing, digestive system preparations manufacturing
1,726 U.S. business records
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334519 Other Measuring and Controlling Device Manufacturing
Manufacturing measuring and controlling devices.
Excludes: search, detection, navigation, guidance, aeronautical, and nautical instruments and systems; automatic environmental controls for residential, commercial, and appliance use; instruments for measurement, display, and control of industrial process variables; totalizing fluid meters and counting devices; instruments for measuring and testing electricity and electrical signals; analytical laboratory instruments; irradiation equipment; and electromedical and electrotherapeutic apparatus.
…nonelectric, manufacturing, fuel system instruments, aircraft, manufacturing, meteorologic tracking systems ma…
811 U.S. business records
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335311 Power, Distribution, and Specialty Transformer Manufacturing
Manufacturing power, distribution, and specialty transformers.
Excludes: electronic components.
regulating transformers, power system-type, manufacturing
258 U.S. business records
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423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
The merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies.
ductless heating and air-conditioning system equipment merchant wholesalers
2,454 U.S. business records
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532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing
Renting or leasing nonconsumer-type machinery and equipment.
Excludes: heavy construction, transportation, mining, and forestry machinery and equipment without operators; and office machinery and equipment.
public address system rental or leasing
1,303 U.S. business records
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541990 All Other Professional, Scientific, and Technical Services
The provision of professional, scientific, or technical services.
Excludes: legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services.
waterless fire suppression system testing and/or inspection, without sales, service, or installation
52,613 U.S. business records
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811210 Electronic and Precision Equipment Repair and Maintenance
Repairing and maintaining one or more of the following: (1) consumer electronic equipment; (2) computers; (3) office machines; (4) communication equipment; and (5) other electronic and precision equipment and instruments, without retailing these products as new.
public address system repair and maintenance services
17,293 U.S. business records
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334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
Manufacturing automatic controls and regulators for applications, such as heating, air-conditioning, refrigeration, and appliances.
…manufacturing, heating and cooling system controls, residential and commercial, manufacturing, in-built thermo…
621 U.S. business records
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Manufacturing instruments and related devices for measuring, displaying, indicating, recording, transmitting, and controlling industrial process variables.
thermometers, filled system industrial process-type, manufacturing, water quality monitoring and control syste…
788 U.S. business records
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The repair and maintenance of commercial and industrial machinery and equipment.
waterless fire suppression system repair and maintenance, without installation
13,803 U.S. business records
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334516 Analytical Laboratory Instrument Manufacturing
Manufacturing instruments and instrumentation systems for laboratory analysis of the chemical or physical composition or concentration of samples of solid, fluid, gaseous, or composite material.
819 U.S. business records
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221111 Hydroelectric Power Generation
Operating hydroelectric power generation facilities.
On Request
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221113 Nuclear Electric Power Generation
Operating nuclear electric power generation facilities.
On Request
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221114 Solar Electric Power Generation
Operating solar electric power generation facilities.
On Request
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221115 Wind Electric Power Generation
Operating wind electric power generation facilities.
On Request
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221116 Geothermal Electric Power Generation
Operating geothermal electric power generation facilities.
On Request
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336390 Other Motor Vehicle Parts Manufacturing
Manufacturing and/or rebuilding motor vehicle parts and accessories.
Excludes: motor vehicle gasoline engines and engine parts, motor vehicle electrical and electronic equipment, motor vehicle steering and suspension components, motor vehicle brake systems, motor vehicle transmissions and power train parts, motor vehicle seating and interior trim, and motor vehicle stampings.
3,596 U.S. business records
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541340 Drafting Services
Drawing detailed layouts, plans, and illustrations of buildings, structures, systems, or components from engineering and architectural specifications.
989 U.S. business records
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541350 Building Inspection Services
Providing building inspection services.
3,982 U.S. business records
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562219 Other Nonhazardous Waste Treatment and Disposal
This U.S. industry comprises establishments primarily engaged in (1) operating nonhazardous waste treatment and disposal facilities (except landfills, combustors, incinerators, and sewer systems or sewage treatment facilities) or (2) the combined activity of collecting and/or hauling of nonhazardous waste materials within a local area and operating waste treatment or disposal facilities (except landfills, combustors, incinerators, and sewer systems or sewage treatment facilities).
3,453 U.S. business records
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221112 Fossil Fuel Electric Power Generation
Operating fossil fuel powered electric power generation facilities.
On Request
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221117 Biomass Electric Power Generation
Operating biomass electric power generation facilities.
On Request
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221118 Other Electric Power Generation
Operating electric power generation facilities.
Excludes: hydroelectric, fossil fuel, nuclear, solar, wind, geothermal, biomass.
540 U.S. business records
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334418 Printed Circuit Assembly (Electronic Assembly) Manufacturing
Loading components onto printed circuit boards or who manufacture and ship loaded printed circuit boards.
On Request
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541211 Offices of Certified Public Accountants
This U.S. industry comprises establishments of accountants that are certified to audit the accounting records of public and private organizations and to attest to compliance with generally accepted accounting practices.
36,653 U.S. business records
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541430 Graphic Design Services
Planning, designing, and managing the production of visual communication in order to convey specific messages or concepts, clarify complex information, or project visual identities.
14,320 U.S. business records
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541612 Human Resources Consulting Services
Providing advice and assistance to businesses and other organizations in one or more of the following areas: (1) human resource and personnel policies, practices, and procedures; (2) employee benefits planning, communication, and administration; (3) compensation systems planning; and (4) wage and salary administration.
17,822 U.S. business records
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221330 Steam and Air-Conditioning Supply
Providing steam, heated air, or cooled air.
41 U.S. business records
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333998 All Other Miscellaneous General Purpose Machinery Manufacturing
Manufacturing general purpose machinery.
Excludes: ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; and fluid power pumps and motors.
2,597 U.S. business records
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332912 Fluid Power Valve and Hose Fitting Manufacturing
Manufacturing fluid power valves and hose fittings.
172 U.S. business records
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336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
This industry comprises establishments primarily engaged in (1) manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or (2) manufacturing and/or rebuilding carburetors, pistons, piston rings, and engine valves, whether or not for vehicular use.
25 U.S. business records
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332323 Ornamental and Architectural Metal Work Manufacturing
Manufacturing ornamental and architectural metal work, such as staircases, metal open steel flooring, fire escapes, railings, and scaffolding.
2,127 U.S. business records
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333922 Conveyor and Conveying Equipment Manufacturing
Manufacturing conveyors and conveying equipment, such as gravity conveyors, trolley conveyors, tow conveyors, pneumatic tube conveyors, carousel conveyors, farm conveyors, and belt conveyors.
351 U.S. business records
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333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
This U.S. industry comprises establishments primarily engaged in (1) manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipitation equipment, warm air furnace filters, air washers, and other dust collection equipment, and/or (2) manufacturing attic fans and industrial and commercial fans and blowers, such as commercial exhaust fans and commercial ventilating fans.
444 U.S. business records
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483212 Inland Water Passenger Transportation
Providing inland water transportation of passengers on lakes, rivers, or intracoastal waterways.
Excludes: on the Great Lakes System.
…inland waters (except on great lakes system), lake passenger transportation (except on great lakes system), pa…
157 U.S. business records
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483211 Inland Water Freight Transportation
Providing inland water transportation of cargo on lakes, rivers, or intracoastal waterways.
Excludes: on the Great Lakes System.
…inland waters (except on great lakes system), lake freight transportation (except on great lakes system), ship…
1,164 U.S. business records
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334419 Other Electronic Component Manufacturing
Manufacturing electronic components.
Excludes: bare printed circuit boards; semiconductors and related devices; electronic capacitors; electronic resistors; coils, transformers, and other inductors; connectors; and loaded printed circuit boards.
1,665 U.S. business records
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541360 Geophysical Surveying and Mapping Services
Gathering, interpreting, and mapping geophysical data.
50 U.S. business records
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481111 Scheduled Passenger Air Transportation
Providing air transportation of passengers or passengers and freight over regular routes and on regular schedules.
752 U.S. business records
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485210 Interurban and Rural Bus Transportation
Providing bus passenger transportation over regular routes and on regular schedules, principally outside a single metropolitan area and its adjacent nonurban areas.
1,022 U.S. business records
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485510 Charter Bus Industry
Providing buses for charter.
1,281 U.S. business records
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541614 Process, Physical Distribution, and Logistics Consulting Services
Providing operating advice and assistance to businesses and other organizations in: (1) manufacturing operations improvement; (2) productivity improvement; (3) production planning and control; (4) quality assurance and quality control; (5) inventory management; (6) distribution networks; (7) warehouse use, operations, and utilization; (8) transportation and shipment of goods and materials; and (9) materials management and handling.
19,729 U.S. business records
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611310 Colleges, Universities, and Professional Schools
Furnishing academic courses and granting degrees at baccalaureate or graduate levels.
10,937 U.S. business records
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624410 Child Care Services
Providing care and early learning opportunities for infants and children.
…(except part of elementary school system)
55,536 U.S. business records
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485999 All Other Transit and Ground Passenger Transportation
Providing ground passenger transportation (except urban transit systems; interurban and rural bus transportation, taxi and/or limousine services (except shuttle services), school and employee bus transportation, charter bus services, and special needs transportation).
5,529 U.S. business records
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541490 Other Specialized Design Services
Providing professional design services.
Excludes: architectural, landscape architecture, engineering, interior, industrial, graphic, and computer systems design.
4,549 U.S. business records
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541519 Other Computer Related Services
Providing computer related services.
Excludes: custom programming, systems integration design, and facilities management services.
7,107 U.S. business records
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722310 Food Service Contractors
Providing food services at institutional, governmental, commercial, or industrial locations of others based on contractual arrangements with these types of organizations for a specified period of time.
4,769 U.S. business records
Showing the first 100 matches. Refine the search to narrow the list.
More specific industry matches
Eight-digit Extended NAICS classifications provide more detailed industry segments within the six-digit NAICS framework, helping you narrow your business targeting.
- 541690-43 — Farm Management Systems23 business records companies
- 541512-13 — Engineers-Systems78 business records companies
- 541512-09 — Data Communications Systems-Networks322 business records companies
- 541614-16 — Systems Consultants24 business records companies
- 424210-01 — Abdominal Supports (Wholesale)2 business records companies
- 532283-04 — Back Supports33 business records companies