What is NAICS 811310?

NAICS 811310 is the federal industry code for Commercial & Industrial Machinery & Equipment (except Automotive & Electronic) Repair & Maintenance. The Census Bureau maintains the NAICS taxonomy; federal contracting officers use it to classify solicitations and confirm bidder eligibility.

How do I bid on federal contracts as a small business in NAICS 811310?

Register your business in SAM.gov, get a UEI, and confirm your NAICS code matches the solicitation's primary NAICS. Then write a capability statement that maps your past performance to the work in the RFP. Themis automates the matching and gives you a free AI brief for every active opportunity.

Do I need a SAM.gov registration to bid?

Yes — every federal contract award above the micro-purchase threshold requires the vendor to have an active SAM.gov registration with a Unique Entity Identifier (UEI) and the relevant NAICS codes listed on the registration.

What set-asides apply to NAICS 811310?

Common federal set-asides — Small Business (SBA), 8(a), HUBZone, SDVOSB, WOSB, EDWOSB — apply per solicitation, not per NAICS code. Each opportunity declares its own set-aside; Themis displays the eligibility class on every card so you can filter to ones you qualify for.

Federal contracts · NAICS 811310

Federal contracts for NAICS 811310 — Commercial & Industrial Machinery & Equipment (except Automotive & Electronic) Repair & Maintenance

Live federal + LA municipal opportunities under NAICS 811310, plus the contracting officers, top primes, and agencies that actually buy this work.

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4 active solicitations·3 federal agencies·Last refreshed Jul 2, 2026

Active opportunities in NAICS 811310

Refreshed continuously from SAM.gov and partner agencies. Showing the 4 most-urgent active solicitations.

Fa8571 Maint Contracting Afsc PzimServicesSmall Business Set-Aside

COMPUTER NUMERICAL CONTROL (CNC) EQUIPMENT REPAIR SERVICES

Top primes in NAICS 811310

Federal primes ranked by total obligated dollars under NAICS 811310 over the last 5 fiscal years. Source: USAspending.gov.

#1
KBR SERVICES, LLC31 contracts · Department of Defense
$442.9M
#2
KBR WYLE SERVICES, LLC10 contracts · Department of Defense
$225.8M
#3
GENERAL ELECTRIC COMPANY8 contracts · Department of Defense
$132.5M
#4
RAYTHEON COMPANY1 contract · Department of Defense
$122.3M

Agencies buying NAICS 811310

The top federal customers historically active in NAICS 811310by obligated dollars. Match your past performance to the agency that’s most likely to write your next contract.

#1
Department of Defense93 contracts
$1.6B
#2
Department of the Treasury2 contracts
$34.7M
#3
Department of Commerce2 contracts
$26.4M
#4
Department of Homeland Security2 contracts
$24.6M

Free capability statement builder for NAICS 811310 contractors

One-page PDF in proposal-grade prose. UEI, NAICS, certifications, past performance, and differentiators — the document contracting officers actually skim during sources-sought market research. No account required.

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Frequently asked questions

What is NAICS 811310?: NAICS 811310 is the federal industry code for Commercial & Industrial Machinery & Equipment (except Automotive & Electronic) Repair & Maintenance. The Census Bureau maintains the NAICS taxonomy; federal contracting officers use it to classify solicitations and confirm bidder eligibility.
How do I bid on federal contracts as a small business in NAICS 811310?: Register your business in SAM.gov, get a UEI, and confirm your NAICS code matches the solicitation's primary NAICS. Then write a capability statement that maps your past performance to the work in the RFP. Themis automates the matching and gives you a free AI brief for every active opportunity.
Do I need a SAM.gov registration to bid?: Yes — every federal contract award above the micro-purchase threshold requires the vendor to have an active SAM.gov registration with a Unique Entity Identifier (UEI) and the relevant NAICS codes listed on the registration.
What set-asides apply to NAICS 811310?: Common federal set-asides — Small Business (SBA), 8(a), HUBZone, SDVOSB, WOSB, EDWOSB — apply per solicitation, not per NAICS code. Each opportunity declares its own set-aside; Themis displays the eligibility class on every card so you can filter to ones you qualify for.

Popular industries

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