Company lists · Data refreshed October 2026

Top 25 Contract manufacturing maintenance providers based in the United States

Name: Contract manufacturing maintenance providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 1,182 companies tracked

RevenueBase identified 1,182 company matches for contract manufacturing maintenance providers associated with the United States as of October 2026 and tracks 29,458 professional contacts across them, including 7,798 with verified work emails. Houston is the largest hub.

This list covers company matches for contract manufacturing maintenance providers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 10, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 10, 2026 How this list was built

1,182Companies

29,458Contacts tracked

7,798Verified emails

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The 25 largest contract manufacturing maintenance providers based in the United States

Ranked by team size

Top 25 of 1,182 company matches for contract manufacturing maintenance providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	2,282 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Aviation Technical Services	Exact match	Everett, WA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	786 contacts →
	Exact match “For more than 50 years, ATS (Aviation Technical Services) has been providing industry-leading, comprehensive MRO and supply chain support services for aircraft operators, asset…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	USA Debusk	Exact match	Deer Park, TX, United StatesHQ recorded Oct 10, 2026	1,001-5,000	678 contacts →
	Exact match “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Maclellan Integrated Services, INC	Exact match	Lexington, KY, United StatesHQ recorded Oct 10, 2026	1,001-5,000	674 contacts →
	Exact match “MacLellan Integrated Services provides critical process cleaning services, process equipment and robotics maintenance, production line side support, sludge and wastewater…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Airborne Maintenance And Engineering Services	Exact match	Wilmington, OH, United StatesHQ recorded Oct 10, 2026	501-1,000	669 contacts →
	Exact match “Airborne Maintenance & Engineering Services is your first stop for maintenance when performance, delivery, and quality matter.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	IH Services, INC	Exact match	Sebastian, FL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	651 contacts →
	Exact match “Where Facility Excellence Meets Defense Standards Ready • Secure • Lean We serve operators who cannot afford a facility failure: defense primes, secure federal installations…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Feam Aero	Exact match	Miami Springs, FL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	643 contacts →
	Exact match “FEAM AERO is an MRO (Maintenance, Repair, Overhaul) company providing aircraft line maintenance and A-check services to domestic and international air carriers flying transport…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Facilities Maintenance Management, Llc. FMM	Exact match	Denham Springs, LA, United StatesHQ recorded Oct 10, 2026	n/a	635 contacts →
	Exact match “Facilities Maintenance Management is a company comprised of a team of professionals dedicated to uncompromising quality, responsive service, value and integrity.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Accumed Corp	Exact match	Mocksville, NC, United StatesHQ recorded Oct 10, 2026	1,001-5,000	573 contacts →
	Exact match “AccuMED Corp is a contract manufacturing partner to major medical device companies, providing exceptional, customer-centric solutions of the highest quality on time and at…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	CAM Industrial Solutions LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	5,001-10,000	447 contacts →
	Exact match “With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Allied Reliability	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	201-500	409 contacts →
	Exact match “Allied Reliability provides reliability and maintenance solutions across the lifecycle of your assets to deliver required throughput at lowest operating cost.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Msr-Fsr, LLC	Exact match	Chandler, AZ, United StatesHQ recorded Oct 10, 2026	501-1,000	407 contacts →
	Exact match “MSR-FSR, Materials Support Resources and Field Support Resources, provides on-site services with certified FSEs, and off-site programs with regional service centers, that are…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Debra-Kuempel	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 10, 2026	1,001-5,000	352 contacts →
	Exact match “With more than 70 years of experience, DeBra-Kuempel is a leading provider of mechanical, electrical, and plumbing services to Cincinnati, Dayton, Columbus, Evansville, Lexington…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Triangle Services	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	344 contacts →
	Exact match “Triangle Services specializes in providing facility and equipment operations management, maintenance and support services specifically designed to meet our customers' needs.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	Tech24	Exact match	Greenville, SC, United StatesHQ recorded Oct 10, 2026	501-1,000	298 contacts →
	Exact match “Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Defender Services, INC	Exact match	Hopkins, SC, United StatesHQ recorded Oct 10, 2026	1,001-5,000	279 contacts →
	Exact match “Defender Services is a national provider of facility maintenance services: Ranging from Janitorial, Industrial Housekeeping, Security, Landscaping, Grounds Maintenance…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	GEM Incorporated	Exact match	Walbridge, OH, United StatesHQ recorded Oct 10, 2026	1,001-5,000	277 contacts →
	Exact match “Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Quest International INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 10, 2026	201-500	277 contacts →
	Exact match “Quest partners with Healthcare & Life science Original Equipment Manufacturers globally to provide world-class ISO accredited aftermarket technical services such as field…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	MC Assembly	Exact match	Melbourne, FL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	257 contacts →
	Exact match “MC Assembly® is a leader in the contract manufacturing industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Industrial Service Solutions	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	1,001-5,000	245 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Velociti Services	Exact match	Atlanta, GA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	212 contacts →
	Exact match “Our Mission: To be the most respected facilities services company in the world.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	AIR Force ONE	Exact match	Dublin, OH, United StatesHQ recorded Oct 10, 2026	201-500	192 contacts →
	Exact match “Our approach puts you and your needs first.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	Sack Company	Exact match	Statesboro, GA, United StatesHQ recorded Oct 10, 2026	501-1,000	191 contacts →
	Exact match “With offices in Statesboro, GA, Savannah, GA, Atlanta, GA, Charlotte, NC, and Lexington, SC, The Sack Company is one of the largest industrial mechanical, electrical, plumbing…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Greenwood, INC	Exact match	Greenville, SC, United StatesHQ recorded Oct 10, 2026	501-1,000	187 contacts →
	Exact match “GreenWood, Inc, headquartered in Greenville, SC; is a WBENC Certified, fully licensed Industrial General Contractor.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Acme Industries	Exact match	Elk Grove Village, IL, United StatesHQ recorded Oct 10, 2026	51-200	186 contacts →
	Exact match “Acme Industries is a full-service, contract manufacturing company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “contract manufacturing maintenance providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,182 contract manufacturing maintenance providers based in the United States

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Contract manufacturing maintenance providers based in the United States at a glance

As of Oct 10, 2026

26.5%Verified-email coverage

24.9Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

413

11-50

408

51-200

251

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,182 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “contract manufacturing maintenance providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 7,798 professional contacts with verified work emails across the full matched dataset. 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 October 10, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Contract manufacturing maintenance providers by metro

Contract manufacturing maintenance providers in Houston27

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “contract manufacturing maintenance providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contract manufacturing maintenance providers are there based in the United States?

RevenueBase identified 1,182 company matches for contract manufacturing maintenance providers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Advanced Technology Services ATS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most contract manufacturing maintenance providers?

Houston leads with 27 company records, followed by Atlanta (16) and New York (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,798 professional contacts with verified work emails tracked across these 1,182 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 10, 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 SmartSearch, 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.