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.

More Details

NAICS Code 541330 - Engineering Services is a final level code of the “Professional, Scientific, and Technical Services” Sector. There are 44,892 companies verified as active in this industry in the USA with an estimated employment of 1,098,479 people.

Industry Sector

Professional, Scientific, and Technical Services

Total Companies


Verified Companies


Est. Employment


Annual Payroll


Total Revenue


SBA Size Standard

Annual Revenue Limit of $16,500,000

Use Data For:

  • Direct Mailing
  • Emailing
  • Calling
  • Research

Includes Free Sample & Industry Report

100% Phone-Verified, NCOA Processed, Accurate Data

Hierarchy Navigation for NAICS Code 541330

Parent Category (less specific)

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
  • 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
  • Traffic engineering consulting services

Industry Image

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. Establishments primarily engaged in:

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

For specific job title targeting, please provide details in the business list request form.

Executive Email List

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 44,892 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.