NAICS Code 541330 - Engineering Services

Government Level - NAICS 6-Digit

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NAICS Code 541330 Description

This industry comprises establishments primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

NAICS Code 541330 - Engineering Services is a final level code of the “Engineering Services” Sector. There are 46,738 companies verified as active in this industry in the USA with an estimated employment of 1,098,479 people.

Industry Sector

Engineering Services

Annual Payroll


Total Revenue


SBA Size Standard

Annual Revenue Limit of $16,500,000

Parent Category - 5-digit Level (less specific)

Marketing: NAICS Codes (8-digit) for Engineering Services

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Industry Examples of NAICS 541330

Common types of examples within NAICS Code 541330 - Engineering Services are:

  • Acoustical engineering consulting services
  • Acoustical system engineering design services
  • Audio visual system engineering design services
  • Boat engineering design services
  • Chemical engineering services
  • Civil engineering services
  • Combustion engineering consulting services
  • Construction engineering services
  • Consulting engineers' offices
  • Consulting engineers' private practices
  • Electrical engineering services
  • Engineering consulting services
  • Engineering design services
  • Engineering services
  • Engineers' offices
  • Engineers' private practices
  • Environmental engineering services
  • Erosion control engineering services
  • Geological engineering services
  • Geophysical engineering services
  • Heating engineering consulting services
  • Industrial engineering services
  • Logging engineering services
  • Marine engineering services
  • Maritime technology engineering services
  • Mechanical engineering services
  • Mining engineering services
  • Petroleum engineering services
  • Robotics automation engineering services
  • Robotics engineering design and integration services
  • Traffic engineering consulting services

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Example photo for industry NAICS 541330 - Engineering Services. This image represents an activity or product found in this industry.


For some business types, there may be a similar industry to NAICS Code 541330 - Engineering Services that is a better classification match. Planning and designing computer systems that integrate computer hardware, software, and communication technologies--are classified in U.S. NAICS Code 541512 - Computer Systems Design Services; Designing and writing custom software to meet the needs of a particular customer--are classified in U.S. NAICS Code 541511 - Custom Computer Programming Services; Software design, development, and publishing, or software publishing only--are classified in NAICS Code 513210 - Software Publishers; Performing surveying and mapping services of the surface of the earth, including the sea floor--are classified in NAICS Code 541370 - Surveying and Mapping (except Geophysical] Services; Gathering, interpreting, and mapping geophysical data--are classified in NAICS Code 541360 - Geophysical Surveying and Mapping Services; Creating and developing designs and specifications that optimize the use, value, and appearance of products--are classified in NAICS Code 541420 - Industrial Design Services; Providing advice and assistance to others on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials--are classified in NAICS Code 541620 - Environmental Consulting Services; Engineering research and development--are classified in U.S. NAICS Code 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology]; and Both the design and construction of buildings, highways, and other structures or in managing construction projects--are classified in NAICS Code 23 - Construction.

Companies compiles comprehensive business data and executive contact leads for businesses within NAICS Code 541330 - Engineering Services. Some of the leading and most notable companies are listed below. To order a list of companies within NAICS Code 541330 - Engineering Services for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

Industry Executives

Would you like to email executives in NAICS Code 541330 - Engineering Services? Below are some of the common job titles available to be targeted.

  • Business Development
  • Chairman
  • C-Level
  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

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Questions & Answers

  • What is the NAICS Code for Engineering companies?

    NAICS Code 541330 – Engineering Services in the NAICS Code for engineering companies. This also encompasses various types of engineering specialties such as chemical engineering, acoustical engineering, electrical engineering, geological engineering, industrial engineering, mechanical engineering, and others.

  • What are the largest engineering companies in the USA?

    There are over 15 companies with revenue over $1 billion in the USA. Some of the largest companies include AECOM, Jacob Consultancy, Leonardo DRS, Northrop Grumman, Wood Group, Tetra Tech.

  • How many engineering companies have over 20 employees?

    There are over 7,000 engineering companies with more than 20 employees.

  • How many engineering companies have over 1,000 employees?

    There are 86 engineering companies with over 1,000 employees.

  • What states have the most engineering companies?

    In descending order, the states with the most engineering companies are California, Florida, Texas, Pennsylvania, New York, Colorado, Massachusetts, Virginia, New Jersey, Michigan, Illinois, Washington, Ohio, Georgia, North Carolina, and Maryland.

  • What is the SBA NAICS 541330 revenue limit?

    Businesses with an annual revenue under $16,500,000 are considered small businesses by SBA.

  • How many active businesses operate in NAICS Code 541330?

    There are 46,738 verified business locations operating primarily in this industry.

  • What was the total revenue for NAICS Code 541330?

    In 2017 the total revenue for Engineering Services was $242,652,164,000

  • What was the annual payroll for NAICS Code 541330?

    In 2017 the annual payroll for Engineering Services was $95,447,099,000

  • How many people work in NAICS Code 541330?

    The number of reported paid employees is 1,098,479.