Who are the top companies winning NAICS 811310 contracts?

Top contractors winning awards under NAICS 811310 include L3HARRIS MARITIME SERVICES INC, VITAL LINK, INC., HII MISSION TECHNOLOGIES CORP, GENERAL ELECTRIC COMPANY, and KBR SERVICES, LLC. These companies have received the highest contract values in this NAICS code over the last 12 months. View the full contractor list .

Which agencies award the most NAICS 811310 contracts?

The agencies awarding the most contracts under NAICS 811310 include Department Of Defense, Mschq Norfolk, Department Of Veterans Affairs, Navsup Flt Logistics Ctr Norfolk, and Department Of Homeland Security. These agencies represent the largest sources of procurement activity for Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.

How do I find government contracts for NAICS 811310?

To find government contracts for NAICS 811310 (Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance), start by searching on CLEATUS where you can filter by NAICS code, agency, set-aside type, and more. Register your business on SAM.gov with NAICS 811310 listed in your entity profile. Monitor new solicitations, review incumbent contractors, and analyze agency spending patterns to prepare competitive proposals. Browse NAICS 811310 opportunities now .

What is the market trend for NAICS 811310?

Government spending on NAICS 811310 (Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance) has declined by 34.3% year-over-year. In the last 12 months, 2,842 contracts worth $553,547,209 were awarded to 1,479 unique contractors. Despite the decline, this remains an active procurement category with ongoing opportunities.

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NAICS Code· 811310

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

Name: Government Contract Statistics for NAICS 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Creator: CLEATUS
License: https://www.cleat.ai/terms-conditions

This industry comprises establishments primarily engaged in the repair and maintenance of commercial and industrial machinery and equipment. Establishments in this industry either sharpen/install commercial and industrial machinery blades and saws or provide welding (e.g., automotive, general) repair services; or repair agricultural and other heavy and industrial machinery and equipment (e.g., forklifts and other material handling equipment, machine tools, commercial refrigeration equipment, construction equipment, and mining machinery). Cross-References. Establishments primarily engaged in--Show more

795

Active Contracts

$553.5M

Total Obligations (12mo)

2.8K

Awarded Contracts (12mo)

1.5K

Contractors Awarded (12mo)

Median Bidders per Award

-34.3%

YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 811310.

AI Industry Description

NAICS 811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance covers the inspection, servicing, calibration, overhaul, and repair of heavy-duty mechanical systems used in industrial, manufacturing, and institutional settings. This includes maintenance of conveyors, pumps, compressors, HVAC systems, material handling equipment, textile machinery, and other non-automotive, non-electronic industrial assets. Contractors in this sector provide preventive maintenance programs, component replacement, alignment and balancing, hydraulic and pneumatic system servicing, and on-site troubleshooting to ensure operational continuity. In government contracting, this NAICS supports mission-critical infrastructure across defense, healthcare, and public works facilities, where uptime and regulatory compliance are paramount. Services are often delivered under long-term service agreements or emergency response contracts, requiring certified technicians, OEM-specific training, and adherence to federal maintenance standards. Top contractors in this space include DAP Construction Management LLC, PHOENIX GENERAL CONTRACTORS, LLC, TECH O. R., LLC, and MONTISSOL ESSENTIALS L.L.C., alongside specialized firms like LINDE GAS & EQUIPMENT INC. and C & B MATERIAL HANDLING, LLC. The competitive landscape is dominated by small businesses and mid-tier firms with niche expertise in industrial mechanical systems, often leveraging small business set-asides and 8(a) designations to compete effectively against larger primes. Primary buyers include the Department of Defense, Department of Veterans Affairs, Department of Health and Human Services, and Department of the Interior. Demand is driven by facility sustainment programs, medical equipment maintenance in VA hospitals, and industrial support at military bases, research labs, and federal warehouses. Agencies prioritize contractors with proven experience in high-reliability environments and compliance with federal maintenance protocols. The market is characterized by high opportunity density in regions with dense federal infrastructure, including military installations and VA medical centers. Contractors with certified maintenance personnel, inventory management capabilities, and experience in federal procurement compliance have a strong competitive edge. Growing emphasis on lifecycle management and predictive maintenance is increasing demand for service providers with data-driven maintenance analytics capabilities.

Top Contractors

Companies with the highest total award value under NAICS 811310, ranked by dollars won.

Ranked by total awards

Company	Total Awards	Contracts
L3HARRIS MARITIME SERVICES INC	$49.0M	3
VITAL LINK, INC.	$29.8M	14
HII MISSION TECHNOLOGIES CORP	$26.6M	1
GENERAL ELECTRIC COMPANY	$26.1M	1
KBR SERVICES, LLC	$24.1M	3
SANDHILLS UTILITY SERVICES, LLC	$16.9M	20
PHILLIPS CORPORATION	$12.0M	27
CHEROKEE NATION ARMORED SOLUTIONS, LLC	$11.3M	7
S.T.S. - SERVIZI TECNOLOGIE E SVILUPPO S.R.L.	$10.2M	11
NORTHROP GRUMMAN SYSTEMS CORPORATION	$9.9M	1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 811310.

Department Of Defense1,382 awards$313.6M

Mschq Norfolk3 awards$56.5M

Department Of Veterans Affairs397 awards$32.5M

Navsup Flt Logistics Ctr Norfolk5 awards$27.0M

Department Of Homeland Security167 awards$15.6M

Department Of The Interior239 awards$14.0M

Department Of Defense (dod)71 awards$13.2M

Defense Commissary Agency- Eur Area1 award$7.4M

Navair Warfare Ctr Aircraft Division1 award$6.0M

W6QM Micc-Fort Buchanan (rc)2 awards$6.0M

Competition

How many companies historically bid on federal awards in NAICS 811310, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 96,608 reported awards

Median Bidders

Per reported award, all-time

Single-Bid Awards

59%

Share of reported awards with one bidder

10+ Bidder Awards

Share of reported awards with 10+ bidders

Reported Awards

87% of 111,182 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry Family	Competition	Median Bidders	Single-Bid	Reported Awards
811310This Code Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance	Usually Single-Bid	1	59%	96,60887% of 111,182
81131NAICS Industry	Usually Single-Bid	1	59%	96,60887% of 111,182
8113Industry Group Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance	Usually Single-Bid	1	59%	96,60887% of 111,182
811Subsector	Usually Single-Bid	1	63%	412,08289% of 462,987
81Sector Other Services (except Public Administration)	Usually Single-Bid	1	64%	525,03688% of 593,719

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance, by shared sector, subsector, and industry group.

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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NAICS 811310 FAQ

Frequently Asked Questions

NAICS code 811310 covers Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. This industry comprises establishments primarily engaged in the repair and maintenance of commercial and industrial machinery and equipment. Establishments in this industry either sharpen/install commercial and industrial machinery blades and saws or provide welding (e.g., automotive, general) repair services; or repair agricultural and other heavy and industrial machinery and equipment (e.g., forklifts and other material handling equipment, machine tools, commercial refrigeration equipment, construction equipment, and mining machinery). Cross-References. Establishments primarily engaged in--

Recently Posted in Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

NAICS: 811310

New

1089 – Cafeteria freezer #1 & Cooler #4 Replacement

Solicitation # 26-137

This subcontracting opportunity for the Atterbury Job Corps Center in Edinburgh, Indiana, involves the full removal and replacement of cafeteria walk-in freezer #1 and walk-in cooler #4. The replacements are necessary due to significant frame and door damage on the freezer and a sagging ceiling and operational failures in the cooler. Additionally, the project includes correcting the exit door of the main electrical room to ensure compliance with NEC 2020 110.26.C (3) by installing required panic hardware for equipment rated 800A or more. This is a small business set-aside solicitation requiring a single lump sum bid. Prospective vendors must attend a mandatory site visit on September 3, 2026, at 2:30 PM to be considered for the award, with proposals due by September 11, 2026, at 3:00 PM. Award decisions will be based on best value, weighing price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Requirements include a valid Indiana contractor's license, adherence to Davis-Bacon Act wage determinations, and compliance with EPA and OSHA regulations. Contractors must provide a sequenced construction schedule within 10 days of the Notice to Proceed and start work within 14 days. The contract includes a one-year workmanship guarantee and requires specific automobile and workers' compensation insurance naming Adams and Associates, Inc. as an additional insured.

Adams & Associates, Inc.

POSTED

DEADLINE

Replace Ice-machine in café

Solicitation # 26-138

Adams and Associates, Inc. is soliciting proposals for the removal and replacement of the existing ice maker in the Atterbury Job Corps Center cafeteria located in Indiana. The current unit requires a new evaporator coil and extensive repairs to remain operational, necessitating a full replacement. This solicitation is open to various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned small businesses, under NAICS code 811310. A mandatory bid conference and site visit are scheduled for September 3, 2026, at 3:00 PM, and attendance is required for any vendor to be considered for the project. Final proposals must be submitted by September 11, 2026, at 3:00 PM. The scope of work includes all construction requirements, adherence to applicable codes, and specific evaluation criteria as outlined by the agency. The primary point of contact for this project is Tammy Swallows.

Adams & Associates, Inc.

POSTED

DEADLINE

Field Disassembly of a WWII Tank Hull at Twentynine Palms, CA

Solicitation # M0026426Q0134

Bastion Supply & Logistics, an SDVOSB small business, is seeking a subcontractor for the field mechanical disassembly of a WWII M4A3 Sherman tank hull located at MCAGCC Twentynine Palms in San Bernardino County, California. The scope of work involves the undercarriage removal and recovery of two track chains, four bogie truck assemblies, twelve road wheels with arms, two drive sprockets, one idler, four return rollers, a bulldozer mounting arm, and a belly plate. The project requires a single oxy-acetylene torch cut on an engine deck door stop, which must be performed by a certified professional with five years of documented experience. All components must be palletized and steel-banded. The work is expected to take three to five working days, with range availability confirmed between October 31 and December 7, 2026. The contractor is responsible for providing portable sanitation and acting as the generator of record for lead-bearing waste. Bastion will provide a 35,000 lb forklift and a skid steer, though no grading or water is provided on-site. All personnel must possess DBIDS and antiterrorism awareness for base access and complete mandatory briefings on range safety, desert survival, and desert tortoises. This project is subject to the Service Contract Act and DOL Wage Determination 2015-5629, requiring certified payroll. Quotes must be firm not-to-exceed and were due by September 3, 2026. Any resulting subcontract is contingent upon the award of the prime contract under solicitation M0026426Q0134.

PURECJ HOLDING LLC dba Bastion Supply & Logistics

POSTED

DEADLINE

Joint Region Marianas Fire & Emergency Services Air Compressor Maintenance

Solicitation # N6264926QH032_Air_Comperessor_Maintenance

NAVSUP FLCY Site Marianas is seeking a commercial, firm-fixed-price contract for annual breathing air compressor maintenance, testing, calibration, assessment, and repair to support Joint Region Marianas Fire and Emergency Services. The scope of work covers six specified units from Bauer, Nuvair, and Resolve Specialty Products LLC located at Naval Base Guam and Camp Blaz. Key requirements include routine filter and oil replacements, operational testing for air quality, and specific one-time tasks such as repairs for Fixed Bauer Compressor SN 1077897 and a condition assessment for Mobile Bauer Compressor SN 1B9PE1017AN730165. This requirement is a 100 percent Small Business Set-Aside under NAICS code 811310. The period of performance consists of a base period running from September 2026 to September 2027, with four subsequent one-year option periods extending the total potential duration to 66 months. Award will be based on the lowest-priced, technically acceptable offer, with evaluations focusing on technical capability, mandatory technician certifications, and past performance verified via the Supplier Performance Risk System. Offerors must submit their quotations in two separate parts: a technical capability volume and a pricing volume. All payment requests and receiving reports must be processed electronically through the Wide Area WorkFlow system.

Navsup Flt Logistics Ctr Yokosuka

POSTED

DEADLINE

Annual Equipment Safety Tests & Inspections

Solicitation # 200987

The City of Chattanooga Business Unit in Tennessee is seeking a contractor for a four year agreement to provide annual equipment safety tests and inspections for the Public Works Fleet Management Division. This solicitation, identified by number 200987, was posted on August 30, 2026. Interested parties must submit their responses by the deadline of September 16, 2026, at 6:00 PM. The primary point of contact for this procurement is Buyer William Randall Thompson.

City of Chattanooga Business Unit

POSTED

DEADLINE

The METS Stroking Seat Mechanism system repair parts at ASTC PAX

Solicitation # N0018926QB142

The NAVSUP Fleet Logistics Center, Norfolk, intends to execute a sole-source acquisition for various repair parts required for the Stroking Seat Mechanisms and Exterior Cockpit Panels at the Aviation Survival Training Center Patuxent River. These components, which include stroke damper assemblies, thrust plates, and specific cockpit panel cutouts, are essential for maintaining the integrity of the METS device and ensuring training requirements are met. The government plans to award a firm fixed priced purchase order to Survival Systems USA, Inc. under FAR Part 12 procedures. This procurement falls under NAICS code 811310 with a size standard of 12.5 million dollars. Interested parties may contact Ronnie Allen to express their capabilities, although the final decision to compete the contract remains at the discretion of the government.

Navsup Flt Logistics Ctr Norfolk

POSTED

DEADLINE

28--SEAL, PROPUL SHA, IN REPAIR/MODIFICATION OF

Solicitation # N0010425QYM42

This contract involves the repair and overhaul of the Propulsion Shaft Seal (SEAL, PROPUL SHA) for the Department of the Navy, specifically under solicitation number N0010425QYM42. The scope includes repairing four units of the specified seal, with the work to be performed in accordance with detailed technical standards, manuals, and government-approved procedures. The contract emphasizes compliance with various military standards, including marking, material requirements such as mercury-free components, and quality assurance measures, including contractor responsibility for inspection and documentation. The procurement is set as a competitive, fixed-price effort with an expected delivery turnaround of 300 days, and the contractor must submit pricing either as firm-fixed or estimated, with provisions for evaluation and potential adjustments post-teardown and assessment. The solicitation highlights specific contractual and technical requirements, including adherence to applicable standards, proper packaging and marking, and the use of authorized distributors. It also mandates the contractor's compliance with the Defense Priorities and Allocations System (DPAS) and requires detailed documentation of costs, inspection records, and technical certifications. The contract emphasizes the importance of secure handling of sensitive information, proper identification of items per military standards, and the necessity for the contractor to accept bilateral issuance of contractual documents. Interested parties are directed to submit their quotes by October 20, 2025, via email to Vincent Molesky, with additional details available through the provided SAM.gov link.

Navsup Weapon Systems Support Mech

POSTED

DEADLINE

16--DRIVE UNIT,HYDRAULI, IN REPAIR/MODIFICATION OF

Solicitation # N0038326RBB04

This contract is for the procurement of 62 units of a hydraulic drive unit under NSN 7R-1650-014525179-V2, with delivery terms set as FOB Origin. Because the item is flight critical and requires specific engineering source approval to maintain quality, the government is intending to solicit and negotiate with a single source under FAR 6.302-1. The approved sources hold essential technical data and manufacturing knowledge that are not economically available to the government. Prospective bidders who are not already approved sources must submit detailed qualification information via the NAVSUP Weapon Systems Support Source Approval Information Brochures to be considered for award. The government will evaluate responses to determine if a competitive procurement is warranted, though the final decision remains at its discretion. All proposals must be submitted by the deadline of October 13, 2026, and must meet all qualification requirements at the time of award.

Navsup Weapon Systems Support

POSTED

DEADLINE

Heavy Equipment Maintenance and Repair Services

California Department of Parks & Recreation

POSTED

DEADLINE

Post-Delivery Support and Maintenance ServicesThe City of Buffalo is seeking a subcontractor for Post-Delivery Support and Maintenance Services to ensure the operational longevity of forklift equipment. This contract covers ongoing maintenance, repairs, technical support, and the supply of necessary parts throughout the service life of the machinery, with the potential for the inclusion of preventive maintenance agreements. The solicitation is categorized under NAICS code 811310 and was posted on August 28, 2026. Interested parties must submit their responses by the deadline of September 11, 2026, at 3:00 PM. Further details and application processes are available through the official City of Buffalo bids portal.

POSTED

DEADLINE

Two-Year Maintenance and Warranty ServicesThe City of San Ramon in California is seeking a subcontractor for a two-year maintenance and warranty services contract. This agreement focuses on the upkeep of digital displays, electrical systems, and structural components, encompassing essential services such as regular cleaning, detailed inspections, and necessary repairs. The solicitation was posted on August 28, 2026, with a response deadline of September 17, 2026. The work will be performed in San Ramon, California, under NAICS code 811310.

POSTED

DEADLINE

Notice of Intent to Sole Source EVAPOR INC for Generator Repair

Solicitation # W912EQ26PA033

The U.S. Army Corps of Engineers, Memphis District, intends to award a sole-source, commercial firm-fixed-price purchase order to EVAPAR for the diagnosis and repair of a Generac generator at the Caruthersville, Missouri site. The project involves addressing a persistent overspeed/emergency-stop alarm on a Generac model QT08046AVSN. The scope of work includes traveling to the site, potentially replacing the controller with an ASSY, ENCL H100 Panel, installing necessary firmware and XML files, and performing operational testing and diagnostics. Classified under NAICS code 811310, this procurement is being conducted in accordance with FAR Part 12. While the government intends to proceed with EVAPAR, interested firms may submit documentation of their capabilities and past performance to Contract Specialist Kennetta F. Smith by 10 a.m. Central Time on September 4, 2026. The government maintains full discretion on whether to compete the requirement based on the responses received.

POSTED

DEADLINE

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

Industry Spending Overview

AI Industry Description

Top Contractors

Top Agencies

Competition

Related NAICS Codes

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All Other Automotive Repair and Maintenance

Electronic and Precision Equipment Repair and Maintenance

Transform opportunities in Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance into winning contracts

Frequently Asked Questions

Recently Posted in Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

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