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NAICS 811310: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance is NAICS code 811310. A business is small under it with $12.5 million or less in average annual receipts. 48 federal contracts are open on SAM.gov under this code right now.

SBA size standard
$12.5 million or less in average annual receipts
Open contracts now
48
Federal spending, FY2026
$590.8 million
Share won by small businesses
37%
Small businesses registered
4,088
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Open federal contracts for commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance

See all 48 open contracts under NAICS 811310 →

What NAICS 811310 covers

The Census Bureau's NAICS index lists these kinds of work under 811310:

  • Agricultural machinery and equipment repair and maintenance services
  • Armature rewinding services (except on an assembly line or factory basis)
  • Blade sharpening, commercial and industrial machinery and equipment
  • Cargo container repair and maintenance services
  • Coil rewinding (except on an assembly line or factory basis)
  • Commercial and industrial machinery repair and maintenance services
  • Commercial gaming machine repair and maintenance services
  • Commercial refrigeration equipment repair and maintenance services
  • Construction machinery and equipment repair and maintenance services
  • Electric motor repair and maintenance services, commercial or industrial
  • Electrical generating and transmission equipment repair and maintenance services
  • Engine repair (except automotive, small engine)
  • Farm machinery and equipment repair and maintenance services
  • Fire extinguisher repair and maintenance, without installation

The index lists 41 entries for this code in all.

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 811310

To count as a small business for a contract assigned NAICS 811310, your business must have $12.5 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance

Agencies that awarded the most under NAICS 811310 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Navy$791.1 million
Department of the Army$423.1 million
Department of the Air Force$310.9 million
Department of Veterans Affairs$176.7 million
U.S. Special Operations Command$76.1 million
Defense Commissary Agency$38 million
U.S. Coast Guard$37.2 million
Defense Logistics Agency$24.8 million

Open notices right now come from Dept of Defense (41), Department of Veterans Affairs (12), Department of Homeland Security (2), Department of Energy (1), Department of the Interior (1) and Department of State (1).

Set-asides on open 811310 contracts

  • No set-aside (full and open): 35
  • Total small business set-aside: 15
  • Service-disabled veteran-owned set-aside: 8

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

4,088 businesses with active SAM.gov registrations are rated small under NAICS 811310, most of them in Texas (467), California (388), Florida (345), Virginia (174) and Maryland (158). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 811310 by year

Fiscal yearContract obligations
FY2024$776.3 million
FY2025$765.3 million
FY2026$590.8 million
FY2027 (so far)$5.9 million

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Frequently asked questions

What is NAICS code 811310?

811310 is the 2022 NAICS code for Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. The Census Bureau's index lists work such as agricultural machinery and equipment repair and maintenance services, armature rewinding services (except on an assembly line or factory basis), blade sharpening, commercial and industrial machinery and equipment under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 811310?

$12.5 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance?

Yes. 48 federal contract opportunities under NAICS 811310 are open on SAM.gov right now. Agencies obligated about $590.8 million under this code in fiscal year 2026, according to USAspending.gov.

How do I add NAICS code 811310 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.