Company lists · Data refreshed October 2026

Top 19 Mechanical maintenance contractors based in Cincinnati, United States

Name: Mechanical maintenance contractors based in Cincinnati, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 26 companies tracked

RevenueBase identified 26 company matches for mechanical maintenance contractors associated with Cincinnati, United States as of October 2026 and tracks 2,102 professional contacts across them, including 367 with verified work emails. Across the United States, Houston is the largest hub for this category (125 companies); Cincinnati has 26.

This list covers company matches for mechanical maintenance contractors associated with Cincinnati, 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 18, 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 18, 2026 How this list was built

26Companies

2,102Contacts tracked

367Verified emails

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The 19 largest mechanical maintenance contractors based in Cincinnati, United States

Ranked by team size

Top 19 of 26 company matches for mechanical maintenance contractors based in Cincinnati, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Debra-Kuempel	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
2	Engineering Excellence	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	123 contacts →
	Exact match “National HVACR Solutions.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Enervise, LLC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	75 contacts →
	Exact match “Enervise is your HVAC, Plumbing, Controls & Energy Solutions Company.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	Tdgfacilities	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	201-500	69 contacts →
	Exact match “The TDG Way' is to be the trusted partner in Integrated Facilities Management (IFM) services by developing and embracing innovative solutions to enable clients to thrive.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	Commercial Parts & Service, INC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	55 contacts →
	Exact match “We are Ohio's leading provider of OEM Parts and Service for Commercial Kitchen Equipment.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	Thomas J. Dyer Company	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	201-500	55 contacts →
	Exact match “The Thomas J.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	J. Feldkamp Design Build	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	49 contacts →
	Exact match “J.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	Matlock Electric Co., INC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	25 contacts →
	Exact match “Leading edge technology, state-of-the-art equipment, and unparalleled employee technical expertise have made Matlock Electric the industry leader for electrical equipment services…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Allied Technical Services, INC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	21 contacts →
	Exact match “Allied Technical Services is a full‐service contractor offering mechanical and consulting services to municipalities and industry.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Feldkamp Enterprises, INC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	25th Hour Services	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	12 contacts →
	Exact match “25th Hour Services' GOAL is To satisfy and complete with excellence every request from every client or prospect in our coverage area and sometimes beyond.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	The Cincinnati AIR Conditioning Company	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	51-200	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Jags Mechanical	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	11 contacts →
	Exact match “Jags Mechanical in Cincinnati, OH has been providing quality service and installation of commercial mechanical systems since 1989.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Jonle Heating & Cooling	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	11 contacts →
	Exact match “JonLe Heating - Cooling has always had one goal firmly in mind - to be the most reliable and accessible service provider in the area.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Quality Comfort Home Services	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	9 contacts →
	Exact match “Quality Comfort Home Services provides the services you need with the quality you can trust.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Heartland Industrial Solutions, LLC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	1-10	6 contacts →
	Exact match “Heartland Industrial Solutions is the exclusive representative for PRUFTECHNIK in the states of Indiana, Michigan, Illinois, Kentucky, Ohio, and Tennessee.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	Harrigan Refrigeration & AC	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	1-10	2 contacts →
	Exact match “Harrigan Refrigeration & Air Conditioning specializes in Commercial and Industrial Sales, Installation, Repair and Service of Refrigeration and Air Conditioning Machinery.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Valley Refrigeration Service, In	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	Diversified360	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 18, 2026	11-50	1 contacts →
	Exact match “Diversified360 provides innovative, 21st-century solutions that make complex facility management problems simple to solve.” Recorded in the RevenueBase company graph · Oct 18, 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 “mechanical maintenance contractors”. 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 19 of 26 mechanical maintenance contractors based in Cincinnati, United States

See the full list, filter by size, metro and specialty, and access 367 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mechanical maintenance contractors based in Cincinnati, United States at a glance

As of Oct 18, 2026

17.5%Verified-email coverage

80.8Average contacts per company

11-50Median size (employees)

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Cincinnati, so it is reported there. Company counts and contact totals on this page are exact for Cincinnati, over 26 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 Cincinnati, United States whose business descriptions match “mechanical maintenance contractors” 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 367 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 18, 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.

Mechanical maintenance contractors by metro in the United States

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 “mechanical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mechanical maintenance contractors are there based in Cincinnati, United States?

RevenueBase identified 26 company matches for mechanical maintenance contractors associated with Cincinnati, 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?

Debra-Kuempel tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most mechanical maintenance contractors?

Houston leads the United States with 125 company records, followed by New York (85) and Dallas (44). Cincinnati has 26.

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 367 professional contacts with verified work emails tracked across these 26 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 18, 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.