Company lists · Data refreshed September 2026

Top 25 Equipment maintenance outsourcing companies based in the United States

Name: Equipment maintenance outsourcing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 695 companies tracked

RevenueBase identified 695 equipment maintenance outsourcing companies headquartered in the United States as of September 2026 and tracks 13,288 professional contacts across them, including 4,178 with verified work emails. Houston is the largest hub.

This list covers equipment maintenance outsourcing companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

695Companies

13,288Contacts tracked

4,178Verified emails

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The 25 largest equipment maintenance outsourcing companies based in the United States

Ranked by team size

Top 25 of 695 equipment maintenance outsourcing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to equipment maintenance outsourcing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Advanced Technology Services ATS	Partial evidence	Peoria, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,216 contacts →
	Partial evidence “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Source: RevenueBase Database · checked Sep 28, 2026
2	USA Debusk	Indirect evidence	Deer Park, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	640 contacts →
	Indirect evidence “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Source: RevenueBase Database · checked Sep 28, 2026
3	CDS	Indirect evidence	Eatontown, NJ, United StatesHQ checked Sep 28, 2026	51-200	447 contacts →
	Indirect evidence “CDS is a global leader in Multi-Vendor Support (MVS) services, helping organizations take control of their IT infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026
4	Allied Reliability	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	201-500	402 contacts →
	Partial evidence “Allied Reliability provides reliability and maintenance solutions across the lifecycle of your assets to deliver required throughput at lowest operating cost.” Source: RevenueBase Database · checked Sep 28, 2026
5	Assetwatch	Partial evidence	Dublin, OH, United StatesHQ checked Sep 28, 2026	201-500	295 contacts →
	Partial evidence “Manufacturing facilities face common challenges including stressed equipment, unplanned downtime, and strained personnel.” Source: RevenueBase Database · checked Sep 28, 2026
6	Tech24	Indirect evidence	Greenville, SC, United StatesHQ checked Sep 28, 2026	501-1,000	290 contacts →
	Indirect evidence “Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Source: RevenueBase Database · checked Sep 28, 2026
7	Industrial Service Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	235 contacts →
	Indirect evidence “Industrial Service Solutions provides nationwide field, shop, and supply services for a diverse set of industrial markets with breadth and depth in application knowledge and…” Source: RevenueBase Database · checked Sep 28, 2026
8	Waites	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 28, 2026	201-500	227 contacts →
	Partial evidence “Waites eliminates downtime by blending advanced machine learning with hands-on human insight for industry-leading equipment management.” Source: RevenueBase Database · checked Sep 28, 2026
9	Polaris Laboratories	Partial evidence	Indianapolis, United StatesHQ checked Sep 28, 2026	201-500	199 contacts →
	Partial evidence “POLARIS Laboratories® can help you prevent maintenance failure.” Source: RevenueBase Database · checked Sep 28, 2026
10	ICR Services	Partial evidence	Warren, MI, United StatesHQ checked Sep 28, 2026	201-500	181 contacts →
	Partial evidence “Achieve world-class Overall Equipment Effectiveness (OEE) with Full-service MRO Solutions.” Source: RevenueBase Database · checked Sep 28, 2026
11	Whaley Foodservice	Strong evidence	Lexington, SC, United StatesHQ checked Sep 28, 2026	201-500	177 contacts →
	Strong evidence “Whaley Foodservice, LLC provides service and maintenance for commercial kitchen equipment in the foodservice industry.” Source: RevenueBase Database · checked Sep 28, 2026
12	Enprotech	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 28, 2026	201-500	171 contacts →
	Partial evidence “To keep your production in motion, it takes an experienced partner dedicated to your equipment 24/7.” Source: RevenueBase Database · checked Sep 28, 2026
13	Ontario Refrigeration Service, INC	Partial evidence	Ontario, United StatesHQ checked Sep 28, 2026	51-200	165 contacts →
	Partial evidence “With 10 offices serving California, Arizona, Nevada, Utah, and Texas, we are never too far to provide service assistance whenever your equipment may require it!” Source: RevenueBase Database · checked Sep 28, 2026
14	K2 Industrial Services, INC	Indirect evidence	Highland, IN, United StatesHQ checked Sep 28, 2026	1,001-5,000	150 contacts →
	Indirect evidence “K2 Industrial Services is a national provider of industrial cleaning, tank cleaning, coatings, insulation, scaffolding and more.” Source: RevenueBase Database · checked Sep 28, 2026
15	LULA	Partial evidence	Overland Park, KS, United StatesHQ checked Sep 28, 2026	51-200	122 contacts →
	Partial evidence “Lula makes maintenance easy for property managers nationwide.” Source: RevenueBase Database · checked Sep 28, 2026
16	Maintenx	Partial evidence	Tampa, FL, United StatesHQ checked Sep 28, 2026	201-500	121 contacts →
	Partial evidence “Total Facility Maintenance & Repair Company.” Source: RevenueBase Database · checked Sep 28, 2026
17	First Service Networks	Partial evidence	Scottsdale, AZ, United StatesHQ checked Sep 28, 2026	501-1,000	119 contacts →
	Partial evidence “Multi-site maintenance and repair specialists First Service Networks is a multi-site facilities maintenance and repair specialist that partners with clients in industries ranging…” Source: RevenueBase Database · checked Sep 28, 2026
18	Power Services Group, INC	Partial evidence	Cape Coral, FL, United StatesHQ checked Sep 28, 2026	51-200	107 contacts →
	Partial evidence “Power Services Group (PSG) is the leading US-owned, independent provider of turnkey maintenance, repair, and overhaul solutions for steam and gas turbines.” Source: RevenueBase Database · checked Sep 28, 2026
19	Manufacturing Maintenance Solutions, INC MMS	Strong evidence	Pekin, IL, United StatesHQ checked Sep 28, 2026	201-500	100 contacts →
	Strong evidence “Manufacturing Maintenance Solutions, Inc (MMS) is a service organization dedicated to enhancing its customers' profitability by providing expert manufacturing equipment contract…” Source: RevenueBase Database · checked Sep 28, 2026
20	United Service Technologies, INC	Indirect evidence	Riverside, CA, United StatesHQ checked Sep 28, 2026	51-200	100 contacts →
	Indirect evidence “United Service Technologies operates in California, Nevada, and Texas.” Source: RevenueBase Database · checked Sep 28, 2026
21	Strategic Maintenance Solutions, INC	Indirect evidence	Gorham, ME, United StatesHQ checked Sep 28, 2026	51-200	97 contacts →
	Indirect evidence “SMS provides services to industrial, manufacturing, facilities, and government organizations.” Source: RevenueBase Database · checked Sep 28, 2026
22	Conhagen Rotating Equipment Specialist	Partial evidence	Kenner, LA, United StatesHQ checked Sep 28, 2026	51-200	94 contacts →
	Partial evidence “Conhagen is a comprehensive provider of industrial rotating equipment services, including engineering, field services, shop services, manufacturing, and repairs, allowing us to…” Source: RevenueBase Database · checked Sep 28, 2026
23	Arthur G Russell Company	Indirect evidence	Bristol, CT, United StatesHQ checked Sep 28, 2026	51-200	90 contacts →
	Indirect evidence “The Arthur G Russell Company goes beyond building you an automated assembly machine.” Source: RevenueBase Database · checked Sep 28, 2026
24	HECO	Partial evidence	Kalamazoo, MI, United StatesHQ checked Sep 28, 2026	51-200	87 contacts →
	Partial evidence “HECO helps industrial plants utilize more dependable motors and equipment.” Source: RevenueBase Database · checked Sep 28, 2026
25	Abco Facility Maintenance	Partial evidence	Staten Island, NY, United StatesHQ checked Sep 28, 2026	51-200	86 contacts →
	Partial evidence “ABCO Facility Maintenance has been providing Property Engineering, Preventative Maintenance, Facilities Management, and Industrial Support Services throughout New York, New…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: equipment maintenance outsourcing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names equipment maintenance outsourcing companies.
Partial evidence: Its own public description names part of equipment maintenance outsourcing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name equipment maintenance outsourcing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 695 equipment maintenance outsourcing companies based in the United States

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Equipment maintenance outsourcing companies based in the United States at a glance

As of Sep 28, 2026

31.4%Verified-email coverage

19.1Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

329

11-50

216

51-200

109

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 695 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among equipment maintenance outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “equipment maintenance outsourcing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names equipment maintenance outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among equipment maintenance outsourcing companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 4,178 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names equipment maintenance outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many equipment maintenance outsourcing companies are there based in the United States?

RevenueBase identified 695 equipment maintenance outsourcing companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Advanced Technology Services ATS, headquartered in Peoria, tops this list with the largest team on record.

Which city has the most equipment maintenance outsourcing companies?

Houston leads with 24 headquartered companies, followed by Atlanta (8) and New York (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,178 verified decision-maker contacts tracked across these 695 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.