Company lists · Data refreshed November 2026

Top 25 Control system installers based in the United States

RevenueBase identified 2,769 company matches for control system installers associated with the United States as of November 2026 and tracks 66,824 professional contacts across them, including 28,725 with verified work emails. Houston is the largest hub.

This list covers company matches for control system installers 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 November 6, 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 Nov 6, 2026 How this list was built
2,769Companies
66,824Contacts tracked
28,725Verified emails
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The 25 largest control system installers based in the United States

Ranked by team size
Top 25 of 2,769 company matches for control system installers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNorwalk, CT, United StatesHQ recorded Nov 6, 202610001+1,493 contacts →

Exact match

“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 20261,001-5,0001,491 contacts →

Exact match

“ISC is an industrial engineering and construction company specializing in comprehensive electrical, instrumentation, and controls solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAurora, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,293 contacts →

Exact match

“As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-5001,223 contacts →

Exact match

“Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAtlanta, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,143 contacts →

Exact match

“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSioux Center, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,034 contacts →

Exact match

“As a Partner Interstates is your trusted partner for electrical, automation, and operational technology needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLewisville, TX, United StatesHQ recorded Nov 6, 20261,001-5,000967 contacts →

Exact match

“Prime Controls was established as a Main Automation Contractor (MAC) to provide customers with a sole-source solution for industrial automation, controls, and I&C construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 20261,001-5,000928 contacts →

Exact match

“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 2026501-1,000884 contacts →

Exact match

“We love our customers and are committed to providing Better Automation and Controls Solutions, Products, Engineering, Services and Support to them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWest Chester, AZ, United StatesHQ recorded Nov 6, 2026501-1,000755 contacts →

Exact match

“E Tech Group is one of the largest engineering and system integration firms in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAnkeny, IA, United StatesHQ recorded Nov 6, 20261,001-5,000731 contacts →

Exact match

“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEden Prairie, VA, United StatesHQ recorded Nov 6, 2026501-1,000685 contacts →

Exact match

“Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchEdison, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000672 contacts →

Exact match

“Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAurora, MA, United StatesHQ recorded Nov 6, 20261,001-5,000665 contacts →

Exact match

“As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLive Oak, TX, United StatesHQ recorded Nov 6, 2026501-1,000632 contacts →

Exact match

“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNorthbrook, IL, United StatesHQ recorded Nov 6, 20261,001-5,000606 contacts →

Exact match

“At F.E.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHouston, LA, United StatesHQ recorded Nov 6, 2026501-1,000583 contacts →

Exact match

“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLa Porte, TX, United StatesHQ recorded Nov 6, 20261,001-5,000533 contacts →

Exact match

“When we formed Contech in 1980, our goal was to create a specialized engineering and construction company to provide a full range of system independent services for process…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000504 contacts →

Exact match

“Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCovington, LA, United StatesHQ recorded Nov 6, 202651-200497 contacts →

Exact match

“Ardent Services, LLC (Ardent) is a leading provider of high-quality power, control, process-automation, and electrical and instrumentation (E&I) services for process industries…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSeattle, OR, United StatesHQ recorded Nov 6, 2026501-1,000454 contacts →

Exact match

“For more than 70 years Cochran has been powering the Pacific Northwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSanford, FL, United StatesHQ recorded Nov 6, 20261,001-5,000415 contacts →

Exact match

“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, IN, United StatesHQ recorded Nov 6, 2026201-500415 contacts →

Exact match

“Since we opened our doors in 1963, relationships have been are our strength by putting people before products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLong Beach, TX, United StatesHQ recorded Nov 6, 2026201-500400 contacts →

Exact match

“Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPleasanton, WA, United StatesHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“Sunbelt Controls is a leading full-service building automation contractor for new construction and retrofit projects in the Western United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,769 control system installers based in the United States

See the full list, filter by size, metro and specialty, and access 28,725 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Control system installers based in the United States at a glance

As of Nov 6, 2026
43.0%Verified-email coverage
24.1Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,126
11-50
1,066
51-200
419
201-500
98
501-1,000
29
1,001-5,000
19
10001+
2

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 2,769 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 “control system installers” 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 28,725 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 November 6, 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.

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 “control system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many control system installers are there based in the United States?

RevenueBase identified 2,769 company matches for control system installers associated with the United States as of November 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?

Emcor Group, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most control system installers?

Houston leads with 71 company records, followed by Miami (26) and New York (24).

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 28,725 professional contacts with verified work emails tracked across these 2,769 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 November 6, 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.