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NAICS 541330, industry

NAICS 541330: Engineering services

NAICS 541330 is the industry code for engineering services. Use it on loan applications, tax forms and registrations. Explore financing for professional services and start your application when you are ready.

What 541330 covers

Engineering services apply engineering principles to the design and development of buildings, systems and infrastructure, including civil, structural, mechanical and electrical engineering.

Included in this code

  • Civil engineering
  • Structural engineering
  • MEP engineering
  • Environmental engineering
  • Engineering consulting

Businesses that use 541330

Civil engineering firmMEP engineering firmStructural engineer

Financing for this trade

Engineering firms use lines of credit for receivables and SBA loans for acquisitions. Lenders look at backlog and government contracts.

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Is 541330 the right code for an engineering firm?

Yes, if you provide engineering design or consulting. Surveyors use 541370, and drafting only firms use 541340. Owners in this trade most often weigh it against 541310 (architectural services) and 541340 (drafting services). The right choice is the activity that brings in the most revenue, used the same way on tax returns and loan applications.

What is the SBA size standard for 541330?

The general SBA size standard for 541330 is $25.5M in average annual receipts over the last five completed fiscal years, including affiliates. Federal contracts for military and aerospace equipment, marine engineering and Energy Policy Act work use a higher $47M standard. An engineering firm under the applicable line counts as small for SBA 7(a) and 504 loans and for federal small business contracts.

What financing do engineering firms use?

Lines of credit bridge billings, especially on government contracts, and SBA 7(a) loans fund acquisitions and partner buyouts. Lenders review backlog and receivables. Expect lenders to ask for receivables and payables agings, recent bank statements and a debt schedule, which also help a broker match the request to the right lender quickly.

What does NAICS 541330 cover?

Engineering services. Industry level code in NAICS 2022, under 54 Professional, scientific, and technical services, 541 Professional, scientific, and technical services, 5413 Architectural, engineering, and related services, 54133 Engineering services.

What financing do NAICS 541330 businesses use?

Equipment financing, working capital, SBA loans and invoice factoring are the products placed most for professional services businesses. Start an application and the AI matches the deal to lenders that fund this code.

Where do I put NAICS 541330?

On the SBA loan application, on federal Schedule C or Form 1120, on SAM.gov and state registrations, and on most lender applications. A business can report more than one code; use this one if it describes what produces most of your revenue.