Company lists · Data refreshed October 2026

Top 25 Instrumentation and control contractors based in the United States

RevenueBase identified 3,146 company matches for instrumentation and control contractors associated with the United States as of October 2026 and tracks 108,388 professional contacts across them, including 42,038 with verified work emails. Houston is the largest hub.

This list covers company matches for instrumentation and control contractors 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 16, 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 16, 2026 How this list was built
3,146Companies
108,388Contacts tracked
42,038Verified emails
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The 25 largest instrumentation and control contractors based in the United States

Ranked by team size
Top 25 of 3,146 company matches for instrumentation and control contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchMilwaukee, WI, United StatesHQ recorded Oct 16, 202610001+21,840 contacts →

Exact match

“At Rockwell Automation, we connect the imaginations of people with the potential of technology to expand what is humanly possible, making the world more intelligent, more…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 20265,001-10,0003,379 contacts →

Exact match

“At MMR we believe that no matter how much you achieve, you should never forget where you came from.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchLisle, IL, United StatesHQ recorded Oct 16, 20261,001-5,0003,020 contacts →

Exact match

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchVernon Hills, IL, United StatesHQ recorded Oct 16, 2026n/a1,777 contacts →

Exact match

“The sole mission of Mitsubishi Electric Automation Americas, is to support the factory automation needs of North and Latin American customers with combined sales, marketing…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 20261,001-5,0001,435 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 · Oct 16, 2026 · View company records in RevenueBase
6Exact matchAurora, OH, United StatesHQ recorded Oct 16, 20261,001-5,0001,267 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 · Oct 16, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 16, 2026201-5001,203 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 · Oct 16, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Oct 16, 20261,001-5,0001,088 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchSioux Center, IA, United StatesHQ recorded Oct 16, 20261,001-5,000986 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchAuburn Hills, MI, United StatesHQ recorded Oct 16, 2026501-1,000959 contacts →

Exact match

“Convergix Automation Solutions designs, engineers and integrates hardware and software to automate its customers' operations.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchLewisville, TX, United StatesHQ recorded Oct 16, 20261,001-5,000930 contacts →

Exact match

“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 16, 2026501-1,000899 contacts →

Exact match

“INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 2026501-1,000870 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 · Oct 16, 2026 · View company records in RevenueBase
14Exact matchEvansville, IN, United StatesHQ recorded Oct 16, 2026501-1,000828 contacts →

Exact match

“FLANDERS, Leverage our legacy.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchPortage, MI, United StatesHQ recorded Oct 16, 2026501-1,000782 contacts →

Exact match

“Your Possibility.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchStafford, TX, United StatesHQ recorded Oct 16, 2026501-1,000707 contacts →

Exact match

“Puffer‑Sweiven has supported process operations for over 80 years-helping facilities run safer, smarter, and more reliably.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchWest Chester, OH, United StatesHQ recorded Oct 16, 2026501-1,000701 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 · Oct 16, 2026 · View company records in RevenueBase
18Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 20261,001-5,000669 contacts →

Exact match

“The Newtron Group is one of the largest privately owned Specialty Industrial Construction companies in the United States and is among the nation's leading Industrial Electrical…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchEden Prairie, MN, United StatesHQ recorded Oct 16, 2026501-1,000664 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 · Oct 16, 2026 · View company records in RevenueBase
20Exact matchMichigan City, IN, United StatesHQ recorded Oct 16, 20261,001-5,000655 contacts →

Exact match

“DwyerOmega is a trusted global leader in sensing, instrumentation, and process control solutions, supporting HVAC, industrial, manufacturing, and research applications where…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchAurora, OH, United StatesHQ recorded Oct 16, 20261,001-5,000646 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 · Oct 16, 2026 · View company records in RevenueBase
22Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 2026501-1,000624 contacts →

Exact match

“Setpoint Integrated Solutions, a Vytl Company is a leading integrated solutions and services provider in the process control industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchAnoka, MN, United StatesHQ recorded Oct 16, 202610001+618 contacts →

Exact match

“nVent HOFFMAN leading designer and manufacturer of systems that safely and reliably protect the electronic controls and mission critical electrical systems in industrial, data…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchNorthbrook, IL, United StatesHQ recorded Oct 16, 20261,001-5,000592 contacts →

Exact match

“At F.E.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Oct 16, 2026501-1,000573 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 · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 3,146 instrumentation and control contractors based in the United States

See the full list, filter by size, metro and specialty, and access 42,038 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Instrumentation and control contractors based in the United States at a glance

As of Oct 16, 2026
38.8%Verified-email coverage
34.5Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · Houston
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
1,250
11-50
1,215
51-200
466
201-500
142
501-1,000
40
1,001-5,000
22
5,001-10,000
3
10001+
4

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 3,146 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 “instrumentation and control 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 42,038 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 16, 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.

Instrumentation and control contractors by metro

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

How many instrumentation and control contractors are there based in the United States?

RevenueBase identified 3,146 company matches for instrumentation and control contractors 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?

Rockwell Automation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most instrumentation and control contractors?

Houston leads with 114 company records, followed by Miami (21) and Indianapolis (19).

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 42,038 professional contacts with verified work emails tracked across these 3,146 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 16, 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.