Company lists · Data refreshed September 2026

Top 25 Mill maintenance services based in the United States

Name: Mill maintenance services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 276 companies tracked

RevenueBase identified 276 mill maintenance services headquartered in the United States as of September 2026 and tracks 5,699 professional contacts across them, including 1,558 with verified work emails. Houston is the largest hub.

This list covers mill maintenance services 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 20, 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 20, 2026 86% judged on-target in blind review

276Companies

5,699Contacts tracked

1,558Verified emails

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The 25 largest mill maintenance services based in the United States

Ranked by team size

Top 25 of 276 mill maintenance services based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to mill maintenance services: 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 20, 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 20, 2026
2	JAY Industrial Repair	Indirect evidence	Birmingham, AL, United StatesHQ checked Sep 20, 2026	201-500	183 contacts →
	Indirect evidence “Jay Industrial Repair is an industrial service and manufacturing business focused on quality on-time solutions in electric motor and controls sales and services, and in-field…” Source: RevenueBase Database · checked Sep 20, 2026
3	Enprotech	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 20, 2026	201-500	171 contacts →
	Indirect evidence “To keep your production in motion, it takes an experienced partner dedicated to your equipment 24/7.” Source: RevenueBase Database · checked Sep 20, 2026
4	Power Services Group, INC	Partial evidence	Cape Coral, FL, United StatesHQ checked Sep 20, 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 20, 2026
5	Horner Industrial Group	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 20, 2026	201-500	102 contacts →
	Indirect evidence “For over half a century, Horner Industrial Group has been helping to power your business with industry leading service, quality and value by providing excellence in electrical…” Source: RevenueBase Database · checked Sep 20, 2026
6	Conhagen Rotating Equipment Specialist	Indirect evidence	Kenner, LA, United StatesHQ checked Sep 20, 2026	51-200	94 contacts →
	Indirect 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 20, 2026
7	HECO	Indirect evidence	Kalamazoo, MI, United StatesHQ checked Sep 20, 2026	51-200	87 contacts →
	Indirect evidence “HECO helps industrial plants utilize more dependable motors and equipment.” Source: RevenueBase Database · checked Sep 20, 2026
8	Bender Ccp, INC	Indirect evidence	Vernon, CA, United StatesHQ checked Sep 20, 2026	51-200	84 contacts →
	Indirect evidence “Bender CCP is one of the leading full service providers of engineered rotating equipment repair and machining services in the US.” Source: RevenueBase Database · checked Sep 20, 2026
9	Kiemle-Hankins	Indirect evidence	Perrysburg, OH, United StatesHQ checked Sep 20, 2026	51-200	68 contacts →
	Indirect evidence “Kiemle-Hankins is a leading industrial service and repair company.” Source: RevenueBase Database · checked Sep 20, 2026
10	Hi-Speed Industrial Service	Indirect evidence	Millington, TN, United StatesHQ checked Sep 20, 2026	51-200	67 contacts →
	Indirect evidence “Keeping your facility up to speed, every day since 1946.” Source: RevenueBase Database · checked Sep 20, 2026
11	Turbinepros	Partial evidence	Dayton, MN, United StatesHQ checked Sep 20, 2026	51-200	67 contacts →
	Partial evidence “TurbinePROs is a field service provider offering OCIC, Maintenance, Repair, Overhaul, and Upgrade of all rotating equipment including turbines, generators, pumps, and compressors…” Source: RevenueBase Database · checked Sep 20, 2026
12	Selinsky Force	Indirect evidence	Canton, OH, United StatesHQ checked Sep 20, 2026	201-500	67 contacts →
	Indirect evidence “Selinsky Force is a specialty Industrial Services supplier with market concentrations in OH, PA, KY, WV and IN.” Source: RevenueBase Database · checked Sep 20, 2026
13	Midsouth Mechanical INC	Indirect evidence	Lagrange, GA, United StatesHQ checked Sep 20, 2026	51-200	65 contacts →
	Indirect evidence “Industrial Mechanical Contractors – Process Piping, Millwrights, HVAC.” Source: RevenueBase Database · checked Sep 20, 2026
14	PSI Repair Services, INC	Indirect evidence	Livonia, MI, United StatesHQ checked Sep 20, 2026	51-200	64 contacts →
	Indirect evidence “When industrial equipment fails, every minute of downtime costs you money.” Source: RevenueBase Database · checked Sep 20, 2026
15	Prime Machine INC	Indirect evidence	Salt Lake City, UT, United StatesHQ checked Sep 20, 2026	51-200	51 contacts →
	Indirect evidence “Prime Machine, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
16	Unico Mechanical Corp	Indirect evidence	Benicia, CA, United StatesHQ checked Sep 20, 2026	51-200	48 contacts →
	Indirect evidence “Unico Mechanical, a premier heavy industrial machine shop and field service company, is a leading provider of a wide range of machine services both locally in Northern California…” Source: RevenueBase Database · checked Sep 20, 2026
17	Etheredge Industrial Services	Indirect evidence	Shreveport, LA, United StatesHQ checked Sep 20, 2026	51-200	46 contacts →
	Indirect evidence “Etheredge Industrial Services has been serving the industrial market since February 1986.” Source: RevenueBase Database · checked Sep 20, 2026
18	Decatur Industrial Electric, INC	Indirect evidence	Decatur, IL, United StatesHQ checked Sep 20, 2026	51-200	41 contacts →
	Indirect evidence “Decatur Industrial Electric provides electro-mechanical repair solutions to a variety of industries throughout the Midwest.” Source: RevenueBase Database · checked Sep 20, 2026
19	Mid-Atlantic Service 360	Indirect evidence	Millstone Township, NJ, United StatesHQ checked Sep 20, 2026	51-200	39 contacts →
	Indirect evidence “We at Mid-Atlantic Service 360 pride ourselves on quality, reliability and competitive pricing.” Source: RevenueBase Database · checked Sep 20, 2026
20	Mathews Mechanical	Partial evidence	Newark, CA, United StatesHQ checked Sep 20, 2026	11-50	36 contacts →
	Partial evidence “Mathews Mechanical specializes in industrial and facilities preventative maintenance, repair, and installation.” Source: RevenueBase Database · checked Sep 20, 2026
21	Continental Field Systems, INC	Indirect evidence	Savannah, GA, United StatesHQ checked Sep 20, 2026	51-200	35 contacts →
	Indirect evidence “Continental Field Systems, Inc (CFS) is an industrial machining and welding services company delivering high-quality field and shop solutions to the power generation and heavy…” Source: RevenueBase Database · checked Sep 20, 2026
22	National Mill Maintenance	Strong evidence	Birmingham, AL, United StatesHQ checked Sep 20, 2026	11-50	33 contacts →
	Strong evidence “National Mill Maintenance is one of the leading mechanical contractors and mill services providers in the U.S.” Source: RevenueBase Database · checked Sep 20, 2026
23	Corrosion Monitoring Services	Indirect evidence	West Chicago, IL, United StatesHQ checked Sep 20, 2026	51-200	32 contacts →
	Indirect evidence “Corrosion Monitoring Services, Inc.(CMS) has been helping its customers assess, monitor, and repair air heaters since 1982.” Source: RevenueBase Database · checked Sep 20, 2026
24	Durus Industrial, LLC	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 20, 2026	51-200	28 contacts →
	Indirect evidence “Durus Industrial, LLC can keep your Industrial operation running smoothly and profitably.” Source: RevenueBase Database · checked Sep 20, 2026
25	Lavender, INC	Indirect evidence	Aliceville, AL, United StatesHQ checked Sep 20, 2026	201-500	27 contacts →
	Indirect evidence “We are excited that this year marks 36 years of providing excellence to customers.” Source: RevenueBase Database · checked Sep 20, 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: mill maintenance services. 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 mill maintenance services.
Partial evidence: Its own public description names part of mill maintenance services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name mill maintenance services. 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 276 mill maintenance services based in the United States

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Mill maintenance services based in the United States at a glance

As of Sep 20, 2026

27.3%Verified-email coverage

20.6Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Houston

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

112

11-50

51-200

201-500

501-1,000

1,001-5,000

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 276 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 mill maintenance services, 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 “mill maintenance services”. 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 mill maintenance services), 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 mill maintenance services, 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, 1,558 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 20, 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 mill maintenance services, 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 mill maintenance services are there based in the United States?

RevenueBase identified 276 mill maintenance services 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 mill maintenance services?

Houston leads with 8 headquartered companies, followed by Cleveland (5) and Birmingham (3).

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 1,558 verified decision-maker contacts tracked across these 276 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 20, 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.