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NAICS 237310, industry

NAICS 237310: Highway, street, and bridge construction

NAICS 237310 is the industry code for highway, street, and bridge construction. Use it on loan applications, tax forms and registrations. Explore financing for construction and start your application when you are ready.

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What 237310 covers

Businesses classified here build and repair highways, streets, bridges, parking lots and airport runways, including paving and striping.

Included in this code

  • Highway and street construction
  • Asphalt and concrete paving
  • Bridge construction
  • Parking lot paving
  • Road resurfacing
  • Guardrail and line striping

Not this code

Businesses that use 237310

Asphalt paving contractorDOT bridge contractorParking lot paving company

Financing for this trade

Heavy civil contractors use equipment loans and leases for excavators, dozers and trucks, working capital lines sized to backlog and invoice factoring on public and prime contractor receivables. Lenders look at bonding capacity, work in progress schedules, retainage and backlog.

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Is 237310 the right code for a road, highway or bridge contractor?

Yes, if your business builds or repaves roads, highways, bridges or parking lots. The code for driveway and sidewalk concrete work is 238990. 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 237310?

The SBA size standard for 237310 is $45 million in average annual receipts. A business at or under that figure, counting affiliates, is small for SBA loans such as 7(a) and 504 and for federal contracting set asides. Receipts are averaged over the five most recently completed fiscal years.

What financing do road and bridge contractors use?

Heavy civil contractors use equipment loans and leases for excavators, dozers and trucks, working capital lines sized to backlog and invoice factoring on public and prime contractor receivables. Lenders look at bonding capacity, work in progress schedules, retainage and backlog. Lenders that already fund this trade move faster because they know how to read its cash cycle.

What does NAICS 237310 cover?

Highway, street, and bridge construction. Industry level code in NAICS 2022, under 23 Construction, 237 Heavy and civil engineering construction, 2373 Highway, street, and bridge construction, 23731 Highway, street, and bridge construction.

What financing do NAICS 237310 businesses use?

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

Where do I put NAICS 237310?

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.