NAICS 8-Digit Codes for "engineering"
Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.
Search this keyword in SIC 6-Digit codes.
Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.
| Industry | NAICS 8-Digit | U.S. companies | Add |
|---|---|---|---|
|
Parent: Engineering Services Matches: Aerospace engineering |
Extended NAICS 541330-11 | companies 11,439companies | |
|
Engineering & Architectural Services Parent: Engineering Services Matches: Structural Engineering |
Extended NAICS 541330-04 | companies 57companies | |
|
Parent: Colleges, Universities, and Professional Schools Matches: Aerospace engineering |
Extended NAICS 611310-02 | companies 93companies | |
|
Engineering Equipment & Supplies (Wholesale) Parent: Other Professional Equipment and Supplies Merchant Wholesalers Matches: Computer hardware and software for engineering design and analysis |
Extended NAICS 423490-07 | companies 156companies | |
|
Parent: Engineering Services Matches: Engineering-Job Shops is a subdivision of the Engineering Services industry that provides custom... |
Extended NAICS 541330-05 | companies 40companies | |
|
Parent: Surveying and Mapping (except Geophysical) Services Matches: Engineering Surveys is a specialized field within the Surveying and Mapping industry that focuses on... |
Extended NAICS 541370-04 | companies 69companies | |
|
Contractors-Engineering General Parent: Engineering Services Matches: Contractors-Engineering General is a subdivision of the Engineering Services industry that involves the... |
Extended NAICS 541330-03 | companies 385companies | |
|
Engineering Equipment & Supplies (Manufacturing) Parent: All Other Miscellaneous Manufacturing Matches: Engineering Equipment & Supplies (Manufacturing) is a subdivision of the NAICS Code 339999 that involves... |
Extended NAICS 339999-20 | companies 18companies | |
|
Parent: Architectural Services Matches: Structural engineering |
Extended NAICS 541310-14 | companies 127companies | |
|
Parent: Engineering Services Matches: Concrete design and engineering |
Extended NAICS 541330-02 | companies 10companies | |
|
Parent: Engineering Services Matches: Aerospace engineering |
Extended NAICS 541330-06 | companies 9,623companies | |
|
Parent: Engineering Services Matches: Aircraft systems engineering |
Extended NAICS 541330-08 | companies 95companies | |
|
Parent: Engineering Services Matches: Railway engineering |
Extended NAICS 541330-14 | companies 2,424companies | |
|
Parent: Engineering Services Matches: Geotechnical engineering |
Extended NAICS 541330-15 | companies 153companies | |
|
Parent: Engineering Services Matches: Structural engineering design |
Extended NAICS 541330-16 | companies 5,075companies | |
|
Parent: Engineering Services Matches: Aerospace cost engineering |
Extended NAICS 541330-19 | companies 4companies | |
|
Parent: Engineering Services Matches: Structural engineering design |
Extended NAICS 541330-20 | companies 138companies | |
|
Parent: Engineering Services Matches: Geotechnical engineering |
Extended NAICS 541330-28 | companies 33companies | |
|
Parent: Engineering Services Matches: Earthquake Engineering |
Extended NAICS 541330-29 | companies 328companies | |
|
Parent: Engineering Services Matches: Traffic engineering |
Extended NAICS 541330-30 | companies 10companies | |
|
Parent: Engineering Services Matches: Marine engineering consulting |
Extended NAICS 541330-39 | companies 45companies | |
|
Parent: Engineering Services Matches: Water treatment plant engineering |
Extended NAICS 541330-44 | companies 2companies | |
|
Parent: Engineering Services Matches: Reservoir engineering |
Extended NAICS 541330-46 | companies 21companies | |
|
Engineers-Petroleum Refining & Trans Parent: Engineering Services Matches: Pipeline engineering |
Extended NAICS 541330-47 | companies 19companies | |
|
Parent: Engineering Services Matches: Transmission line engineering |
Extended NAICS 541330-50 | companies 33companies | |
|
Parent: Engineering Services Matches: Structural engineering |
Extended NAICS 541330-52 | companies 2,142companies | |
|
Parent: Engineering Services Matches: Aerospace engineering |
Extended NAICS 541330-54 | companies 76companies | |
|
Parent: Engineering Services Matches: Aerospace engineering |
Extended NAICS 541330-59 | companies 86companies | |
|
Engineers-Traffic & Transportation Parent: Engineering Services Matches: Railway engineering |
Extended NAICS 541330-61 | companies 77companies | |
|
Parent: Engineering Services Matches: Railway engineering |
Extended NAICS 541330-62 | companies 13companies | |
|
Parent: Engineering Services Matches: Marine engineering consulting |
Extended NAICS 541330-68 | companies 42companies | |
|
Parent: Engineering Services Matches: Aerospace engineering |
Extended NAICS 541330-70 | companies 29companies | |
|
Parent: Engineering Services Matches: Structural engineering |
Extended NAICS 541330-72 | companies 2companies | |
|
Parent: Engineering Services Matches: Biomedical engineering |
Extended NAICS 541330-75 | companies 23companies | |
|
Engineers-Training & Publishing Parent: Engineering Services Matches: Engineering textbooks |
Extended NAICS 541330-76 | companies 4companies | |
|
Parent: Computer Systems Design Services Matches: Control Systems Engineering |
Extended NAICS 541512-13 | companies 66companies | |
|
Foundation-Exploration & Test Borings Parent: Architectural Services Matches: Geotechnical engineering |
Extended NAICS 541310-16 | companies 6companies | |
|
Parent: Landscape Architectural Services Matches: Chemical engineering research |
Extended NAICS 541320-09 | companies 14companies | |
|
Parent: Testing Laboratories and Services Matches: Aerospace engineering |
Extended NAICS 541380-28 | companies 11companies | |
|
Parent: Other Business Service Centers (including Copy Shops) Matches: Engineering blueprinting |
Extended NAICS 561439-01 | companies 364companies | |
|
University/College-Graduate Schools Parent: Colleges, Universities, and Professional Schools Matches: Engineering Programs |
Extended NAICS 611310-17 | companies 249companies | |
|
Parent: Site Preparation Contractors Matches: Civil engineering terracing |
Extended NAICS 238910-67 | companies 1companies | |
|
Parent: All Other Specialty Trade Contractors Matches: Engineering services |
Extended NAICS 238990-27 | companies 207companies | |
|
Parent: Saw Blade and Handtool Manufacturing Matches: Precision engineering |
Extended NAICS 332216-07 | companies 3companies | |
|
Parent: Commercial and Service Industry Machinery Manufacturing Matches: Engineering companies |
Extended NAICS 333310-06 | companies 2companies | |
|
Parent: Other Professional Equipment and Supplies Merchant Wholesalers Matches: Aerospace engineering |
Extended NAICS 423490-17 | companies 3companies | |
|
Parent: Wholesale Trade Agents and Brokers Matches: Wellpoint system design and engineering consultancy services |
Extended NAICS 425120-67 | companies 12companies | |
|
Book Dealers-Pro Technical & Trade (Retail) Parent: Book Retailers and News Dealers Matches: Engineering manuals |
Extended NAICS 459210-04 | companies 3companies | |
|
Parent: Process, Physical Distribution, and Logistics Consulting Services Matches: Engineering Design Specifications |
Extended NAICS 541614-09 | companies 6companies | |
|
Parent: Other Scientific and Technical Consulting Services Matches: Geotechnical engineering |
Extended NAICS 541690-14 | companies 216companies | |
|
Matches: Aerospace engineering |
Extended NAICS 541715-13 | companies 83companies | |
|
Matches: Biomedical engineering research |
Extended NAICS 541715-18 | companies 864companies | |
|
Parent: Photography Studios, Portrait Matches: Engineering analysis |
Extended NAICS 541921-23 | companies 3companies | |
|
Parent: Office Administrative Services Matches: Engineering project bidding |
Extended NAICS 561110-05 | companies 10companies | |
|
Parent: Office Administrative Services Matches: Engineering services |
Extended NAICS 561110-06 | companies | |
|
Aerospace Support Services-Technical Parent: Facilities Support Services Matches: Avionics engineering and design |
Extended NAICS 561210-01 | companies 44companies | |
|
Parent: Other Business Service Centers (including Copy Shops) Matches: Engineering schematics |
Extended NAICS 561439-05 | companies 3companies | |
|
Schools-Universities & Colleges Academic Parent: Colleges, Universities, and Professional Schools Matches: Engineering Programs |
Extended NAICS 611310-09 | companies 1,499companies | |
|
Parent: Agents and Managers for Artists, Athletes, Entertainers, and Other Public Figures Matches: Sound engineering |
Extended NAICS 711410-10 | companies 14companies | |
|
Parent: Regulation of Agricultural Marketing and Commodities Matches: Food engineering consulting for pet food manufacturers |
Extended NAICS 926140-05 | companies 37companies | |
|
Parent: Computer Systems Design Services Matches: Mechanical Engineering |
Extended NAICS 541512-01 | companies 171companies | |
|
Parent: Highway, Street, and Bridge Construction Matches: Geotechnical Engineering Companies |
Extended NAICS 237310-22 | companies 6companies | |
|
Parent: Other Heavy and Civil Engineering Construction Matches: Structural engineering consulting |
Extended NAICS 237990-15 | companies 745companies | |
|
Parent: Other Professional Equipment and Supplies Merchant Wholesalers Matches: Engineering slide rules |
Extended NAICS 423490-20 | companies 1companies | |
|
Parent: Other Motion Picture and Video Industries Matches: Video game sound engineering |
Extended NAICS 512199-06 | companies 17companies | |
|
Parent: Research and Development in Biotechnology (except Nanobiotechnology) Matches: Genetic engineering |
Extended NAICS 541714-21 | companies 27companies | |
|
Matches: Coastal engineering |
Extended NAICS 541715-05 | companies 11companies | |
|
Parent: Crude Petroleum Extraction Matches: Reservoir engineering |
Extended NAICS 211120-03 | companies 38companies | |
|
Parent: Kaolin, Clay, and Ceramic and Refractory Minerals Mining Matches: Civil engineering |
Extended NAICS 212323-02 | companies 4companies | |
|
Geophysical Apparatus (Wholesale) Parent: Other Professional Equipment and Supplies Merchant Wholesalers Matches: Geotechnical engineering firms |
Extended NAICS 423490-09 | companies 13companies | |
|
Blueprinting Equipment & Supplies (Wholesale) Parent: Office Equipment Merchant Wholesalers Matches: Engineering firms |
Extended NAICS 423420-07 | companies 17companies | |
|
Geotechnical Apparatus & Supplies (Wholesale) Parent: Other Professional Equipment and Supplies Merchant Wholesalers Matches: Environmental engineering firms |
Extended NAICS 423490-24 | companies 7companies | |
|
Parent: Testing Laboratories and Services Matches: Automotive engineering |
Extended NAICS 541380-36 | companies 5companies | |
|
Elevators & Moving Stairways (Manufacturing) Parent: Elevator and Moving Stairway Manufacturing Matches: The Elevators & Moving Stairways (Manufacturing) industry involves the production of elevators... |
Extended NAICS 333921-02 | companies 180companies | |
|
Parent: Engineering Services Matches: Engineers-Acoustical is a subdivision of the NAICS Code 541330 that deals with the study of sound and... |
Extended NAICS 541330-07 | companies 34companies | |
|
Parent: Engineering Services Matches: Engineers-Agricultural is a subdivision of the NAICS Code 541330, which falls under the Engineering... |
Extended NAICS 541330-09 | companies 36companies | |
|
Engineers-Air Cond Heating Ventilating Parent: Engineering Services Matches: Engineers-Air Cond Heating Ventilating is a subdivision of the NAICS Code 541330, which falls under the... |
Extended NAICS 541330-10 | companies 164companies | |
|
Parent: Engineering Services Matches: Engineers-Automotive is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-12 | companies 41companies | |
|
Parent: Engineering Services Matches: Engineers-Chemical is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-13 | companies 27companies | |
|
Parent: Engineering Services Matches: Engineers-Control Systems is a subdivision of the Engineering Services industry that specializes in... |
Extended NAICS 541330-17 | companies 22companies | |
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Parent: Engineering Services Matches: Engineers-Corrosion is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-18 | companies 22companies | |
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Parent: Engineering Services Matches: Engineers-Drainage is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-21 | companies 11companies | |
|
Parent: Engineering Services Matches: Engineers-Electronic is a subdivision of the NAICS Code 541330 that involves the application of principles... |
Extended NAICS 541330-23 | companies 378companies | |
|
Parent: Engineering Services Matches: Engineers-Energy Management is a subdivision of the Engineering Services industry that focuses on the... |
Extended NAICS 541330-24 | companies 62companies | |
|
Parent: Engineering Services Matches: Engineers-Environmental is a subdivision of the NAICS Code 541330 that involves the application of... |
Extended NAICS 541330-25 | companies 588companies | |
|
Parent: Engineering Services Matches: Engineers-Foundation is a subdivision of the NAICS Code 541330 that specializes in providing engineering... |
Extended NAICS 541330-26 | companies 54companies | |
|
Parent: Engineering Services Matches: Engineers-Gas is a subdivision of the NAICS Code 541330 that involves the provision of engineering... |
Extended NAICS 541330-27 | companies 14companies | |
|
Parent: Engineering Services Matches: Engineers-Hydraulic is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-31 | companies 18companies | |
|
Parent: Engineering Services Matches: Engineers-Industrial is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-32 | companies 59companies | |
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Parent: Engineering Services Matches: Engineers-Inspecting is a subdivision of the Engineering Services industry that involves the evaluation... |
Extended NAICS 541330-33 | companies 12companies | |
|
Parent: Engineering Services Matches: Engineers-Land Planning is a subdivision of the Engineering Services industry that specializes in the... |
Extended NAICS 541330-35 | companies 24companies | |
|
Parent: Engineering Services Matches: Engineers-Machine Design is a subdivision of the Engineering Services industry that involves the creation... |
Extended NAICS 541330-36 | companies 22companies | |
|
Parent: Engineering Services Matches: Engineers-Management is a subdivision of the Engineering Services industry that involves the management... |
Extended NAICS 541330-37 | companies 22companies | |
|
Parent: Engineering Services Matches: Engineers-Manufacturing is a subdivision of the NAICS Code 541330, which falls under the Engineering... |
Extended NAICS 541330-38 | companies 168companies | |
|
Parent: Engineering Services Matches: Engineers-Material Handling is a subdivision of the NAICS Code 541330 that involves the design... |
Extended NAICS 541330-40 | companies 21companies | |
|
Parent: Engineering Services Matches: Engineers-Mechanical is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-41 | companies 501companies | |
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Parent: Engineering Services Matches: Engineers-Metallurgical is a subdivision of the NAICS Code 541330, which falls under the Engineering... |
Extended NAICS 541330-42 | companies 23companies | |
|
Parent: Engineering Services Matches: Engineers-Mining is a subdivision of the Engineering Services industry that specializes in providing... |
Extended NAICS 541330-43 | companies 26companies | |
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Parent: Engineering Services Matches: Engineers-Nuclear is a subdivision of the Engineering Services industry that specializes in the design... |
Extended NAICS 541330-45 | companies 17companies | |
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Parent: Engineering Services Matches: Engineers-Plumbing is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-49 | companies 24companies | |
|
Parent: Engineering Services Matches: Engineers-Processing is a subdivision of the NAICS Code 541330 that involves the application of... |
Extended NAICS 541330-51 | companies 4companies | |
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Parent: Engineering Services Matches: Engineers-Refrigerating is a subdivision of the NAICS Code 541330, which falls under the Engineering... |
Extended NAICS 541330-53 | companies 15companies | |
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Parent: Engineering Services Matches: Engineers-Safety is a subdivision of the NAICS Code 541330 that involves the application of engineering... |
Extended NAICS 541330-55 | companies 14companies | |
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Parent: Engineering Services Matches: Engineers-Sanitary is a subdivision of the NAICS Code 541330 that involves the planning, design, and... |
Extended NAICS 541330-56 | companies 11companies | |
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Parent: Engineering Services Matches: Engineers-Solar is a subdivision of the NAICS Code 541330 that specializes in providing engineering... |
Extended NAICS 541330-57 | companies 15companies | |
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Parent: Engineering Services Matches: Engineers-Structural is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-58 | companies 1,392companies | |
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Parent: Engineering Services Matches: Engineers-Testing is a subdivision of the Engineering Services industry that specializes in testing and... |
Extended NAICS 541330-60 | companies 23companies | |
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Engineers-Waste Water Treatment Parent: Engineering Services Matches: Engineers-Waste Water Treatment is a subdivision of the Engineering Services industry that specializes in... |
Extended NAICS 541330-63 | companies 132companies | |
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Parent: Engineering Services Matches: Engineers-Water Supply is a subdivision of the Engineering Services industry that specializes in the... |
Extended NAICS 541330-64 | companies 46companies | |
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Parent: Engineering Services Matches: Lighting Engineers are professionals who specialize in the design, installation, and maintenance of... |
Extended NAICS 541330-65 | companies 455companies | |
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Machine Tools-Designers & Consultants Parent: Engineering Services Matches: Machine Tools-Designers & Consultants is a subdivision of the Engineering Services industry that... |
Extended NAICS 541330-66 | companies 13companies | |
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Parent: Engineering Services Matches: Machinery-Designing is a subdivision of the Engineering Services industry that involves the creation and... |
Extended NAICS 541330-67 | companies 48companies | |
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Parent: Engineering Services Matches: Engineers-Pneumatic is a subdivision of the NAICS Code 541330, which falls under the Engineering Services... |
Extended NAICS 541330-69 | companies 3companies | |
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Parent: Engineering Services Matches: Engineers-Pulp & Paper is a subdivision of the NAICS Code 541330, which falls under the Engineering... |
Extended NAICS 541330-71 | companies 1companies | |
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Parent: Engineering Services Matches: Engineers-Plastic is a subdivision of the Engineering Services industry that specializes in the design... |
Extended NAICS 541330-73 | companies 6companies | |
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Parent: Engineering Services Matches: Engineers-Building Moving is a subdivision of the Engineering Services industry that involves the... |
Extended NAICS 541330-78 | companies 3companies | |
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Parent: Engineering Services Matches: Engineers-Pharmaceutical is a subdivision of the Engineering Services industry that specializes in... |
Extended NAICS 541330-79 | companies 8companies | |
|
Engineers Thermal & Moisture Protection Parent: Engineering Services Matches: Engineers Thermal & Moisture Protection is a subdivision of the Engineering Services industry that... |
Extended NAICS 541330-80 | companies 4companies | |
|
Parent: Engineering Services Matches: Engineers Textile is a subdivision of the Engineering Services industry that specializes in the design... |
Extended NAICS 541330-81 | companies 2companies | |
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Parent: Engineering Services Matches: Engineers-Computer is a subdivision of the Engineering Services industry, classified under NAICS Code... |
Extended NAICS 541330-82 | companies 15companies | |
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Parent: Engineering Services Matches: Engineers Fiberglass is a subdivision of the Engineering Services industry that specializes in the design... |
Extended NAICS 541330-84 | companies 7companies | |
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Engineers-Meat Packing & Food Processing Parent: Engineering Services Matches: Engineers-Meat Packing & Food Processing is a subdivision of the Engineering Services industry that... |
Extended NAICS 541330-85 | companies 8companies | |
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Parent: Engineering Services Matches: Aviation Engineers are professionals who specialize in the design, development, and maintenance of... |
Extended NAICS 541330-87 | companies 27companies | |
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Parent: Engineering Services Matches: Engineers-Technology is a subdivision of the Engineering Services industry that involves the application... |
Extended NAICS 541330-88 | companies 116companies | |
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Parent: Engineering Services Matches: Engineers Naval is a subdivision of the Engineering Services industry that specializes in the design... |
Extended NAICS 541330-89 | companies 2companies | |
|
Parent: Support Activities for Forestry Matches: Engineers-Forest is a subdivision of the NAICS Code 115310, which involves providing support activities... |
Extended NAICS 115310-01 | companies 3companies | |
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Aircraft Designing (Manufacturing) Parent: Aircraft Manufacturing Matches: Aircraft Designing (Manufacturing) is a subdivision of the NAICS Code 336411 that involves the creation... |
Extended NAICS 336411-01 | companies 4companies | |
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Parent: Other Scientific and Technical Consulting Services Matches: Marine Consultants are professionals who provide expert advice and technical support to clients in the... |
Extended NAICS 541690-29 | companies 108companies | |
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Parent: Other Scientific and Technical Consulting Services Matches: Engineers-Communications is a subdivision of the NAICS Code 541690, which falls under the category of... |
Extended NAICS 541690-52 | companies 17companies | |
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Parent: Research and Development in Biotechnology (except Nanobiotechnology) Matches: Engineers-Biomedical is a subdivision of the NAICS Code 541714 that involves the application of... |
Extended NAICS 541714-17 | companies 73companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: The Culverts industry, a subdivision of the NAICS Code 237990, falls under the category of Other Heavy and... |
Extended NAICS 237990-01 | companies 63companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Construction-Heavy Projects is a subdivision of the Other Heavy and Civil Engineering Construction... |
Extended NAICS 237990-03 | companies 387companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Golf course construction is a specialized field within the heavy and civil engineering construction... |
Extended NAICS 237990-04 | companies 73companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Mine Shaft Contractors are companies that specialize in the construction, repair, and maintenance of mine... |
Extended NAICS 237990-05 | companies 4companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Tennis Court Construction is a specialized industry that involves the design, planning, and construction... |
Extended NAICS 237990-09 | companies 108companies | |
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Mobile Homes-Anchoring Service Parent: Other Heavy and Civil Engineering Construction Matches: Mobile Homes-Anchoring Service is a subdivision of the Other Heavy and Civil Engineering Construction... |
Extended NAICS 237990-10 | companies 28companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Retaining walls are a type of heavy and civil engineering construction that involves the construction of... |
Extended NAICS 237990-11 | companies 152companies | |
|
Monorail Transit Systems (Manufacturing) Parent: Overhead Traveling Crane, Hoist, and Monorail System Manufacturing Matches: Monorail Transit Systems (Manufacturing) is a subdivision of the NAICS Code 333923 that involves the... |
Extended NAICS 333923-04 | companies 5companies | |
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Parent: Other Heavy and Civil Engineering Construction Matches: Skateboard Park Construction is a subdivision of the Other Heavy and Civil Engineering Construction... |
Extended NAICS 237990-30 | companies 5companies | |
|
Industrial Process-Furnaces/Ovens (Manufacturing) Parent: Industrial Process Furnace and Oven Manufacturing Matches: Industrial Process-Furnaces/Ovens (Manufacturing) is a subdivision of the NAICS Code 333994 that involves... |
Extended NAICS 333994-05 | companies 55companies | |
|
Tape Recorders/Players-Sound (Manufacturing) Parent: Audio and Video Equipment Manufacturing Matches: Tape Recorders/Players-Sound (Manufacturing) is a subdivision of the Audio and Video Equipment... |
Extended NAICS 334310-12 | companies 2companies |