Skip to content
NAICS 336412, industry

NAICS 336412: Aircraft engine and engine parts manufacturing

NAICS 336412 is the industry code for aircraft engine and engine parts manufacturing. Use it on loan applications, tax forms and registrations. Explore financing for manufacturing and start your application when you are ready.

What 336412 covers

This code covers makers of aircraft engines and engine parts, including turbine and piston engines and engine overhaul on a factory basis.

Included in this code

  • Turbofan and turbojet engines
  • Piston aircraft engines
  • Aircraft engine parts
  • Engine overhaul and rebuild

Businesses that use 336412

Engine overhaul shopTurbine component makerPiston engine producer

Financing for this trade

Engine makers use asset based lines, term loans and equipment financing. Lenders look at certifications, aerospace contracts and inventory controls.

Apply for funding with AI

Is 336412 the right code for an aircraft engine manufacturer?

Yes, if you make aircraft engines or engine parts, or overhaul engines on a production basis. Power generation turbines belong in 333611, and missile propulsion in 336415. Other aircraft parts belong in 336413. Pick the code that matches the work bringing in most of your revenue, since lenders compare it to your tax return.

What is the SBA size standard for 336412?

Under 13 CFR 121.201, a business classified under NAICS 336412 is small if it averages no more than 1,500 employees, counting affiliates, over the prior 24 months. SBA uses that number for loan eligibility and federal agencies use it for small business set asides. A firm above it can still qualify for SBA 7(a) and 504 loans under the alternative standard of $15 million tangible net worth and $5 million average net income.

How do aircraft engine overhaul shops finance inventory?

Overhaul shops carry expensive parts and engines, so they rely on inventory and receivables lines, sometimes with aircraft parts specialty lenders. Equipment loans finance test cells and machining. Lenders look at FAA certifications, customer contracts and parts traceability. Current financial statements and a receivables aging report speed up any of these approvals.

What does NAICS 336412 cover?

Aircraft engine and engine parts manufacturing. Industry level code in NAICS 2022, under 31-33 Manufacturing, 336 Transportation equipment manufacturing, 3364 Aerospace product and parts manufacturing, 33641 Aerospace product and parts manufacturing.

What financing do NAICS 336412 businesses use?

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

Where do I put NAICS 336412?

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.