Skip to content
NAICS 213111, industry

NAICS 213111: Drilling oil and gas wells

NAICS 213111 is the industry code for drilling oil and gas wells. Use it on loan applications, tax forms and registrations. Explore financing for energy services and start your application when you are ready.

What 213111 covers

Businesses classified here drill oil and gas wells for operators on a contract or fee basis, including spudding, drilling and redrilling.

Included in this code

  • Contract oil and gas well drilling
  • Directional and horizontal drilling
  • Offshore drilling rigs
  • Workover and redrilling

Not this code

Businesses that use 213111

Land drilling contractorOffshore drilling company

Financing for this trade

Oilfield service companies use equipment loans and sale leasebacks on rigs, trucks and pumping units, asset based lines on receivables and invoice factoring to bridge long operator payment terms. Lenders look at customer concentration among operators, rig counts and equipment appraisals.

Apply for funding with AI

Is 213111 the right code for a drilling contractor for oil and gas wells?

Yes, if your business drills oil or gas wells for operators under contract. The code for well servicing and other oilfield support is 213112. Pick the code that matches the activity earning most of your revenue, and use that same code on your tax return, loan applications and SBA forms so lenders see one consistent picture.

What is the SBA size standard for 213111?

The SBA size standard for 213111 is 1,000 employees. A business at or under that headcount, counting affiliates, is small for SBA loans such as 7(a) and 504 and for federal contracting set asides. Employees are averaged across all pay periods over the past 24 months, including part time and temporary staff.

What financing do oil and gas drilling contractors use?

Oilfield service companies use equipment loans and sale leasebacks on rigs, trucks and pumping units, asset based lines on receivables and invoice factoring to bridge long operator payment terms. Lenders look at customer concentration among operators, rig counts and equipment appraisals. Lenders that already fund this trade move faster because they know how to read its cash cycle.

What does NAICS 213111 cover?

Drilling oil and gas wells. Industry level code in NAICS 2022, under 21 Mining, quarrying, and oil and gas extraction, 213 Support activities for mining, 2131 Support activities for mining, 21311 Support activities for mining.

What financing do NAICS 213111 businesses use?

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

Where do I put NAICS 213111?

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.