Company lists · Data refreshed September 2026
Top 25 Control systems engineering firms based in the United States
RevenueBase identified 2,644 company matches for control systems engineering firms associated with the United States as of September 2026 and tracks 74,504 professional contacts across them, including 29,311 with verified work emails. Houston is the largest hub.
This list covers company matches for control systems engineering firms 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 September 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.
The 25 largest control systems engineering firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 20,582 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 2,012 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 1,183 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 1,159 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 942 contacts → | ||||
Exact match “Convergix Automation Solutions designs, engineers and integrates hardware and software to automate its customers' operations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 857 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 848 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 626 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 623 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 610 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 552 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 547 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 512 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 467 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 455 contacts → | ||||
Exact match “Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 443 contacts → | ||||
Exact match “Electroimpact is a highly experienced provider of factory automation and tooling solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 395 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 393 contacts → | ||||
Exact match “As Rockwell Automation’s digital service arm, we bring digital solutions to product problems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 383 contacts → | ||||
Exact match “R&E Automated Systems is an internationally recognized leader in automation, engineering and field service management.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 382 contacts → | ||||
Exact match “Matrix Technologies Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 379 contacts → | ||||
Exact match “From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 375 contacts → | ||||
Exact match “Burrow Global, LLC is a full service engineering, procurement, construction, and facility services firm with specialties in process automation, industrial buildings/architecture…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 359 contacts → | ||||
Exact match “Since 1937, Paslin has been a leading innovator in the concept, design, construction and deployment of manufacturing assembly and automation systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 304 contacts → | ||||
Exact match “From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 300 contacts → | ||||
Exact match “I.C.” Recorded in the RevenueBase company graph · Sep 16, 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 “control systems engineering firms”. 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 25 of 2,644 control systems engineering firms based in the United States
See the full list, filter by size, metro and specialty, and access 29,311 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Control systems engineering firms based in the United States at a glance
As of Sep 16, 2026Companies by employee count
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 2,644 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 systems engineering firms” 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 29,311 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 September 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.
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 systems engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many control systems engineering firms are there based in the United States?
RevenueBase identified 2,644 company matches for control systems engineering firms associated with the United States as of September 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 control systems engineering firms?
Houston leads with 66 company records, followed by San Diego (19) and San Antonio (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 29,311 professional contacts with verified work emails tracked across these 2,644 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 September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,644 control systems engineering firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Control systems engineering firms by geography
- Control systems engineering firms based in Belo Horizonte, Brazil
- Control systems engineering firms based in Campinas, Brazil
- Control systems engineering firms based in Curitiba, Brazil
- Control systems engineering firms based in Rio De Janeiro, Brazil
- Control systems engineering firms based in Sao Paulo, Brazil
- Control systems engineering firms based in Calgary, Canada
- Control systems engineering firms based in Edmonton, Canada
- Control systems engineering firms based in Toronto, Canada
- Control systems engineering firms based in Ahmedabad, India
- Control systems engineering firms based in Bangalore, India
- Control systems engineering firms based in Chennai, India
- Control systems engineering firms based in Kolkata, India
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Control systems engineering firms based in Belo Horizonte, Brazil
- Control systems engineering firms based in Campinas, Brazil
- Control systems engineering firms based in Curitiba, Brazil
- Control systems engineering firms based in Rio De Janeiro, Brazil
- Control systems engineering firms based in Sao Paulo, Brazil
- Control systems engineering firms based in Calgary, Canada
Company intelligence · public preview
Top 25 control systems engineering firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,644 matching company records for control systems engineering firms based in the United States, with 74,504 tracked contacts and 29,311 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 control systems engineering firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Rockwell Automationrockwellautomation.comHQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 20,582 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mitsubishi Electric Automation, INCmitsubishielectric.comHQ: Vernon Hills, IL, United StatesReported employees: Not recorded | Vernon Hills, IL, United States | Not recorded | Exact match | 2,012 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Englobalenglobal.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,183 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Rovisysrovisys.comHQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Convergix Automation Solutionsconvergixautomation.comHQ: Auburn Hills, MI, United StatesReported employees: 501-1,000 | Auburn Hills, MI, United States | 501-1,000 | Exact match | 942 contacts → |
“Convergix Automation Solutions designs, engineers and integrates hardware and software to automate its customers' operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Prime Controlsprime-controls.comHQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 857 contacts → |
“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Awc, INCawc-inc.comHQ: Baton Rouge, LA, United StatesReported employees: 501-1,000 | Baton Rouge, LA, United States | 501-1,000 | Exact match | 848 contacts → |
“We love our customers and are committed to providing Better Automation and Controls Solutions, Products, Engineering, Services and Support to them.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Setpoint Integrated Solutions, INCsetpointis.comHQ: Baton Rouge, LA, United StatesReported employees: 501-1,000 | Baton Rouge, LA, United States | 501-1,000 | Exact match | 626 contacts → |
“Setpoint Integrated Solutions, a Vytl Company is a leading integrated solutions and services provider in the process control industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wunderlich-Malec Engineering, INCwmeng.comHQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 623 contacts → |
“Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  E Tech Groupetechgroup.comHQ: West Chester, OH, United StatesReported employees: 501-1,000 | West Chester, OH, United States | 501-1,000 | Exact match | 610 contacts → |
“E Tech Group is one of the largest engineering and system integration firms in the United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  W-Industriesw-industries.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 552 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Rovisys Building Technologiesrovisysbt.comHQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 547 contacts → |
“As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Contech Control Servicescontechnet.comHQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 512 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ardent Services, LLCardent.usHQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 467 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Thermo Systemsthermosystems.comHQ: East Windsor, NJ, United StatesReported employees: 201-500 | East Windsor, NJ, United States | 201-500 | Exact match | 455 contacts → |
“Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Electroimpactelectroimpact.comHQ: Mukilteo, WA, United StatesReported employees: 201-500 | Mukilteo, WA, United States | 201-500 | Exact match | 443 contacts → |
“Electroimpact is a highly experienced provider of factory automation and tooling solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Mangan INCmanganinc.comHQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 395 contacts → |
“Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Kalypso A Rockwell Automation Businesskalypso.comHQ: Milwaukee, WI, United StatesReported employees: 1,001-5,000 | Milwaukee, WI, United States | 1,001-5,000 | Exact match | 393 contacts → |
“As Rockwell Automation’s digital service arm, we bring digital solutions to product problems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  R&e Automatedreautomated.comHQ: Bruce Township, MI, United StatesReported employees: 501-1,000 | Bruce Township, MI, United States | 501-1,000 | Exact match | 383 contacts → |
“R&E Automated Systems is an internationally recognized leader in automation, engineering and field service management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Matrix Technologies, INCmatrixti.comHQ: Maumee, OH, United StatesReported employees: 201-500 | Maumee, OH, United States | 201-500 | Exact match | 382 contacts → |
“Matrix Technologies Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  PAR Systemspar.comHQ: Shoreview, MN, United StatesReported employees: 501-1,000 | Shoreview, MN, United States | 501-1,000 | Exact match | 379 contacts → |
“From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Burrow Global, LLCburrowglobal.comHQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 375 contacts → |
“Burrow Global, LLC is a full service engineering, procurement, construction, and facility services firm with specialties in process automation, industrial buildings/architecture…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Paslinpaslin.comHQ: Warren, MI, United StatesReported employees: 501-1,000 | Warren, MI, United States | 501-1,000 | Exact match | 359 contacts → |
“Since 1937, Paslin has been a leading innovator in the concept, design, construction and deployment of manufacturing assembly and automation systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ermco, INCermco.comHQ: Greenwood, IN, United StatesReported employees: 201-500 | Greenwood, IN, United States | 201-500 | Exact match | 304 contacts → |
“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  I.C. Thomasson Associates, Inc., A Salas O'brien Companyicthomasson.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 300 contacts → |
“I.C.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,644 company matches
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Control systems engineering firms: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,641 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 2,644 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for control systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many control systems engineering firms did RevenueBase find based in the United States?
The saved snapshot records 2,644 matching company records, 74,504 tracked contacts and 29,311 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Control systems engineering firms by geography
- Control systems engineering firms based in Belo Horizonte, Brazil
- Control systems engineering firms based in Campinas, Brazil
- Control systems engineering firms based in Curitiba, Brazil
- Control systems engineering firms based in Rio De Janeiro, Brazil
- Control systems engineering firms based in Sao Paulo, Brazil
- Control systems engineering firms based in Calgary, Canada
- Control systems engineering firms based in Edmonton, Canada
- Control systems engineering firms based in Toronto, Canada
- Control systems engineering firms based in Ahmedabad, India
- Control systems engineering firms based in Bangalore, India
- Control systems engineering firms based in Chennai, India
- Control systems engineering firms based in Kolkata, India
Cite this list
RevenueBase Data Team. Top 25 control systems engineering firms based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/control-systems-engineering-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Control systems engineering firms based in Belo Horizonte, Brazil
- Control systems engineering firms based in Campinas, Brazil
- Control systems engineering firms based in Curitiba, Brazil
- Control systems engineering firms based in Rio De Janeiro, Brazil
- Control systems engineering firms based in Sao Paulo, Brazil
- Control systems engineering firms based in Calgary, Canada
Company intelligence · public preview
Top 25 control systems engineering firms based in the United States
RevenueBase records 2,644 matching company records for control systems engineering firms based in the United States, with 74,504 tracked contacts and 29,311 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 control systems engineering firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Rockwell Automationrockwellautomation.com HQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 20,582 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mitsubishi Electric Automation, INCmitsubishielectric.com HQ: Vernon Hills, IL, United StatesReported employees: Not recorded | Vernon Hills, IL, United States | Not recorded | Exact match | 2,012 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Englobalenglobal.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,183 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Rovisysrovisys.com HQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Convergix Automation Solutionsconvergixautomation.com HQ: Auburn Hills, MI, United StatesReported employees: 501-1,000 | Auburn Hills, MI, United States | 501-1,000 | Exact match | 942 contacts → |
“Convergix Automation Solutions designs, engineers and integrates hardware and software to automate its customers' operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Prime Controlsprime-controls.com HQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 857 contacts → |
“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Awc, INCawc-inc.com HQ: Baton Rouge, LA, United StatesReported employees: 501-1,000 | Baton Rouge, LA, United States | 501-1,000 | Exact match | 848 contacts → |
“We love our customers and are committed to providing Better Automation and Controls Solutions, Products, Engineering, Services and Support to them.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Setpoint Integrated Solutions, INCsetpointis.com HQ: Baton Rouge, LA, United StatesReported employees: 501-1,000 | Baton Rouge, LA, United States | 501-1,000 | Exact match | 626 contacts → |
“Setpoint Integrated Solutions, a Vytl Company is a leading integrated solutions and services provider in the process control industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wunderlich-Malec Engineering, INCwmeng.com HQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 623 contacts → |
“Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | E Tech Groupetechgroup.com HQ: West Chester, OH, United StatesReported employees: 501-1,000 | West Chester, OH, United States | 501-1,000 | Exact match | 610 contacts → |
“E Tech Group is one of the largest engineering and system integration firms in the United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | W-Industriesw-industries.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 552 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rovisys Building Technologiesrovisysbt.com HQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 547 contacts → |
“As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Contech Control Servicescontechnet.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 512 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ardent Services, LLCardent.us HQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 467 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermo Systemsthermosystems.com HQ: East Windsor, NJ, United StatesReported employees: 201-500 | East Windsor, NJ, United States | 201-500 | Exact match | 455 contacts → |
“Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Electroimpactelectroimpact.com HQ: Mukilteo, WA, United StatesReported employees: 201-500 | Mukilteo, WA, United States | 201-500 | Exact match | 443 contacts → |
“Electroimpact is a highly experienced provider of factory automation and tooling solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mangan INCmanganinc.com HQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 395 contacts → |
“Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kalypso A Rockwell Automation Businesskalypso.com HQ: Milwaukee, WI, United StatesReported employees: 1,001-5,000 | Milwaukee, WI, United States | 1,001-5,000 | Exact match | 393 contacts → |
“As Rockwell Automation’s digital service arm, we bring digital solutions to product problems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | R&e Automatedreautomated.com HQ: Bruce Township, MI, United StatesReported employees: 501-1,000 | Bruce Township, MI, United States | 501-1,000 | Exact match | 383 contacts → |
“R&E Automated Systems is an internationally recognized leader in automation, engineering and field service management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Matrix Technologies, INCmatrixti.com HQ: Maumee, OH, United StatesReported employees: 201-500 | Maumee, OH, United States | 201-500 | Exact match | 382 contacts → |
“Matrix Technologies Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PAR Systemspar.com HQ: Shoreview, MN, United StatesReported employees: 501-1,000 | Shoreview, MN, United States | 501-1,000 | Exact match | 379 contacts → |
“From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Burrow Global, LLCburrowglobal.com HQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 375 contacts → |
“Burrow Global, LLC is a full service engineering, procurement, construction, and facility services firm with specialties in process automation, industrial buildings/architecture…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Paslinpaslin.com HQ: Warren, MI, United StatesReported employees: 501-1,000 | Warren, MI, United States | 501-1,000 | Exact match | 359 contacts → |
“Since 1937, Paslin has been a leading innovator in the concept, design, construction and deployment of manufacturing assembly and automation systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ermco, INCermco.com HQ: Greenwood, IN, United StatesReported employees: 201-500 | Greenwood, IN, United States | 201-500 | Exact match | 304 contacts → |
“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | I.C. Thomasson Associates, Inc., A Salas O'brien Companyicthomasson.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 300 contacts → |
“I.C.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,644 company matches
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Control systems engineering firms: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,641 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 2,644 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for control systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many control systems engineering firms did RevenueBase find based in the United States?
The saved snapshot records 2,644 matching company records, 74,504 tracked contacts and 29,311 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Control systems engineering firms by geography
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- Control systems engineering firms based in Sao Paulo, Brazil
- Control systems engineering firms based in Calgary, Canada
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- Control systems engineering firms based in Toronto, Canada
- Control systems engineering firms based in Ahmedabad, India
- Control systems engineering firms based in Bangalore, India
- Control systems engineering firms based in Chennai, India
- Control systems engineering firms based in Kolkata, India
Cite this list
RevenueBase Data Team. Top 25 control systems engineering firms based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/control-systems-engineering-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Control systems engineering firms based in Belo Horizonte, Brazil
- Control systems engineering firms based in Campinas, Brazil
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