Skip to content
NAICS 335991, industry

NAICS 335991: Carbon and graphite product manufacturing

NAICS 335991 is the industry code for carbon and graphite product manufacturing. Use it on loan applications, tax forms and registrations. Explore financing for manufacturing and start your application when you are ready.

What 335991 covers

This code covers makers of carbon and graphite products, such as electrodes, brushes for motors, graphite crucibles and specialty carbon parts.

Included in this code

  • Carbon and graphite electrodes
  • Carbon brushes for motors
  • Graphite crucibles and molds
  • Specialty carbon parts
  • Carbon fiber products for electrical use

Businesses that use 335991

Graphite electrode plantCarbon brush makerSpecialty graphite machinist

Financing for this trade

These makers finance furnaces and machining with equipment loans and use lines of credit for inventory. Lenders look at steel industry demand and energy costs.

Apply for funding with AI

Is 335991 the right code for a carbon and graphite product manufacturer?

Yes, if you make carbon or graphite electrodes, brushes, crucibles or machined graphite parts. Carbon black belongs in 325180, activated carbon in 325998 and batteries in 335910. Graphite machining shops often use 335991. If two codes seem to fit, the activity that produces the most revenue decides, and lenders will expect that same code everywhere.

What is the SBA size standard for 335991?

Under 13 CFR 121.201, a business classified under NAICS 335991 is small if it averages no more than 900 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 graphite product makers finance operations?

Graphite makers often need long term financing for baking and graphitizing furnaces and use equipment loans for machining centers. A revolving line covers inventory and receivables from steel, semiconductor and industrial customers. Lenders look at energy costs and demand cycles. Lenders move fastest when financial statements, tax returns and a debt schedule are ready to share.

What does NAICS 335991 cover?

Carbon and graphite product manufacturing. Industry level code in NAICS 2022, under 31-33 Manufacturing, 335 Electrical equipment, appliance, and component manufacturing, 3359 Other electrical equipment and component manufacturing, 33599 All other electrical equipment and component manufacturing.

What financing do NAICS 335991 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 335991?

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.