Company lists · Data refreshed October 2026

Top 25 Chemical plant control system integrators based in the United States

RevenueBase identified 1,457 company matches for chemical plant control system integrators associated with the United States as of October 2026 and tracks 30,557 professional contacts across them, including 13,332 with verified work emails. Houston is the largest hub.

This list covers company matches for chemical plant control system integrators 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 9, 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 9, 2026 How this list was built
1,457Companies
30,557Contacts tracked
13,332Verified emails
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The 25 largest chemical plant control system integrators based in the United States

Ranked by team size
Top 25 of 1,457 company matches for chemical plant control system integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 matchAurora, OH, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
3Exact matchLewisville, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
4Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
5Exact matchStafford, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
6Exact matchEden Prairie, MN, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
7Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
9Exact matchLa Porte, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
10Exact matchMaumee, OH, United StatesHQ recorded Oct 9, 2026201-500401 contacts →

Exact match

“From concept through commissioning and optimization, Matrix Technologies delivers integrated engineering, construction, automation, and information solutions that keep industry…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchLong Beach, CA, United StatesHQ recorded Oct 9, 2026201-500394 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 · Oct 9, 2026 · View company records in RevenueBase
12Exact matchColumbus, OH, United StatesHQ recorded Oct 9, 20261,001-5,000331 contacts →

Exact match

“We are a leading provider of process flow control solutions and products to a variety of process industries.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchSacramento, CA, United StatesHQ recorded Oct 9, 2026201-500303 contacts →

Exact match

“Tesco Controls, a UFT Company, is a full service systems integrator and original equipment manufacturer specializing in the WATER/WASTEWATER, TRANSPORTATION and ELECTRIC UTILITY…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchChesterfield, MO, United StatesHQ recorded Oct 9, 2026201-500254 contacts →

Exact match

“Experitec has served the industry for over 100 years, partnering with its customers to gain competitive advantages and unlock the hidden potential in their facilities.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchRoyersford, PA, United StatesHQ recorded Oct 9, 2026201-500254 contacts →

Exact match

“For over 75 years, Proconex has been a leading provider of Process Automation Control Systems, Valves and Control Devices, and related technologies and services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchNewark, DE, United StatesHQ recorded Oct 9, 2026201-500240 contacts →

Exact match

“Since 1991, Applied Control Engineering (ACE) has prioritized close collaboration with our customers to design, implement, and support advanced control, automation, and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchSuwanee, GA, United StatesHQ recorded Oct 9, 202651-200232 contacts →

Exact match

“Control Southern is an integrated solutions provider helping manufacturing plants in the Southeast run better, faster, and smarter through automation and customized valve…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchLewisville, TX, United StatesHQ recorded Oct 9, 2026201-500230 contacts →

Exact match

“Vinson Process Controls is the leading provider for industrial automation solutions for Oil and Gas, Chemical and Petro-Chemical, Pulp and Paper, Power Generation, Refining and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchElgin, IL, United StatesHQ recorded Oct 9, 2026201-500222 contacts →

Exact match

“MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchLawrence, PA, United StatesHQ recorded Oct 9, 2026201-500221 contacts →

Exact match

“Founded in 1956, ECI specializes in providing best-in-class process control systems, automation products, pumps, and related solutions for manufacturing and industrial customers…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchExton, PA, United StatesHQ recorded Oct 9, 202651-200221 contacts →

Exact match

“Avanceon, under VINCI Energies brand Actemium, is a systems integrator company that develops, executes, and supports automation/information solutions for manufacturing and utility…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchShrewsbury, PA, United StatesHQ recorded Oct 9, 2026201-500215 contacts →

Exact match

“MDI is a one stop shop for all of your automation needs.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchHoover, AL, United StatesHQ recorded Oct 9, 2026201-500213 contacts →

Exact match

“We are an Automation EPC providing turn-key control system integration solutions for discrete and process applications in multiple industries, including municipal clean water…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchPhoenix, AZ, United StatesHQ recorded Oct 9, 2026201-500205 contacts →

Exact match

“Vertech is an industrial control systems integration firm providing a complete range of engineering and technical services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchCentennial, CO, United StatesHQ recorded Oct 9, 2026201-500196 contacts →

Exact match

“Applied Control comes alongside you as a partner who understands your plant, your processes, and the pressure you face to deliver performance without interruption.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 1,457 chemical plant control system integrators based in the United States

See the full list, filter by size, metro and specialty, and access 13,332 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Chemical plant control system integrators based in the United States at a glance

As of Oct 9, 2026
43.6%Verified-email coverage
21.0Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
676
11-50
545
51-200
182
201-500
37
501-1,000
10
1,001-5,000
6

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 1,457 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 “chemical plant control system integrators” 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 13,332 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 9, 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.

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

How many chemical plant control system integrators are there based in the United States?

RevenueBase identified 1,457 company matches for chemical plant control system integrators 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?

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

Which city has the most chemical plant control system integrators?

Houston leads with 57 company records, followed by Baton Rouge (11) and Indianapolis (9).

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 13,332 professional contacts with verified work emails tracked across these 1,457 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 9, 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.