Company lists · Data refreshed October 2026

Top 25 Industrial instrumentation contractors based in the United States

RevenueBase identified 2,835 company matches for industrial instrumentation contractors associated with the United States as of October 2026 and tracks 78,446 professional contacts across them, including 28,721 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial instrumentation 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
2,835Companies
78,446Contacts tracked
28,721Verified emails
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The 25 largest industrial instrumentation contractors based in the United States

Ranked by team size
Top 25 of 2,835 company matches for industrial instrumentation 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 matchSugar Land, TX, United StatesHQ recorded Oct 16, 20265,001-10,0003,530 contacts →

Exact match

Recorded description not available.

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 matchBaton Rouge, LA, United StatesHQ recorded Oct 16, 20261,001-5,0002,920 contacts →

Exact match

“We began as a merit shop general industrial contractor back in 1979.”

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 matchSan Antonio, TX, United StatesHQ recorded Oct 16, 20261,001-5,0001,403 contacts →

Exact match

“Group, Inc.”

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 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
9Exact matchLong Beach, CA, United StatesHQ recorded Oct 16, 2026n/a778 contacts →

Exact match

“WELCOME TO OUR WEBSITE!”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact matchLive Oak, TX, United StatesHQ recorded Oct 16, 2026501-1,000615 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 · Oct 16, 2026 · View company records in RevenueBase
16Exact matchNorwalk, CT, United StatesHQ recorded Oct 16, 2026501-1,000610 contacts →

Exact match

“Omega sells more than products used to measure temperature and humidity, flow and level, and pressure.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchRaleigh, NC, United StatesHQ recorded Oct 16, 20261,001-5,000591 contacts →

Exact match

“Since 1962, Southern Industrial Constructors, Inc.(SIC) has been safely and cost effectively providing industrial construction services to the manufacturing, process and power…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchLogan, UT, United StatesHQ recorded Oct 16, 2026201-500551 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchPhoenix, AZ, United StatesHQ recorded Oct 16, 20261,001-5,000533 contacts →

Exact match

“Corbins is an industrial electrical contractor.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchFranklin, TN, United StatesHQ recorded Oct 16, 20261,001-5,000532 contacts →

Exact match

“The State Group is one of North America's leading multi-trade industrial and specialty services contractors.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchLa Porte, TX, United StatesHQ recorded Oct 16, 20261,001-5,000514 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 · Oct 16, 2026 · View company records in RevenueBase
24Exact matchCovington, LA, United StatesHQ recorded Oct 16, 202651-200474 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 · Oct 16, 2026 · View company records in RevenueBase
25Exact matchRichmond, VA, United StatesHQ recorded Oct 16, 20261,001-5,000471 contacts →

Exact match

“As a member of the TriplePoint Family of Companies, ACI plays a vital role as part of TriplePoint's platform that is enabling what comes next all across the country.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 2,835 industrial instrumentation contractors based in the United States

See the full list, filter by size, metro and specialty, and access 28,721 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial instrumentation contractors based in the United States at a glance

As of Oct 16, 2026
36.6%Verified-email coverage
27.7Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Houston
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
985
11-50
1,104
51-200
527
201-500
144
501-1,000
36
1,001-5,000
30
5,001-10,000
3
10001+
3

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 2,835 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 “industrial instrumentation 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 28,721 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.

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

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

RevenueBase identified 2,835 company matches for industrial instrumentation 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?

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

Which city has the most industrial instrumentation contractors?

Houston leads with 87 company records, followed by Baton Rouge (19) and Phoenix (18).

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 28,721 professional contacts with verified work emails tracked across these 2,835 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.