Company lists · Data refreshed September 2026
Top 25 Plant floor systems integrators based in the United States
RevenueBase identified 2,181 plant floor systems integrators headquartered in the United States as of September 2026 and tracks 116,565 professional contacts across them, including 48,679 with verified work emails. Houston is the largest hub.
This list covers plant floor systems integrators headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 plant floor systems integrators based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 47,277 contacts → | ||||
Indirect evidence “Emerson (NYSE: EMR) is a global automation leader delivering solutions for the most demanding technology challenges.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 20,582 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,012 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,847 contacts → | ||||
Indirect evidence “Our business is automation, and we envision a future in which people can do more, try more, and be more.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,386 contacts → | ||||
Strong evidence “JR Automation is a leading global integrator of custom automated systems for manufacturing and distribution environments around the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,183 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,159 contacts → | ||||
Strong evidence “As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 942 contacts → | ||||
Indirect evidence “Convergix Automation Solutions designs, engineers and integrates hardware and software to automate its customers' operations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 938 contacts → | ||||
Indirect evidence “As a Partner Interstates is your trusted partner for electrical, automation, and operational technology needs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 879 contacts → | ||||
Indirect evidence “INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 848 contacts → | ||||
Indirect evidence “We love our customers and are committed to providing Better Automation and Controls Solutions, Products, Engineering, Services and Support to them.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 610 contacts → | ||||
Partial evidence “E Tech Group is one of the largest engineering and system integration firms in the United States.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 600 contacts → | ||||
Partial evidence “Tate’s access floor and underfloor service distribution solution is one of the best strategies for achieving high performance, sustainable commercial and data center environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 547 contacts → | ||||
Partial evidence “As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 467 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 455 contacts → | ||||
Partial evidence “Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 443 contacts → | ||||
Indirect evidence “Electroimpact is a highly experienced provider of factory automation and tooling solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 395 contacts → | ||||
Indirect evidence “Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 393 contacts → | ||||
Indirect evidence “As Rockwell Automation’s digital service arm, we bring digital solutions to product problems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 383 contacts → | ||||
Partial evidence “R&E Automated Systems is an internationally recognized leader in automation, engineering and field service management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 382 contacts → | ||||
Indirect evidence “Matrix Technologies Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 379 contacts → | ||||
Indirect evidence “From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 359 contacts → | ||||
Partial evidence “Since 1937, Paslin has been a leading innovator in the concept, design, construction and deployment of manufacturing assembly and automation systems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 304 contacts → | ||||
Indirect evidence “From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 277 contacts → | ||||
Partial evidence “Specializing in factory automation systems, Koops designs and builds innovative special machines and automated equipment for leading, world-class manufacturers across a broad…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: plant floor systems integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names plant floor systems integrators.
- Partial evidence
- Its own public description names part of plant floor systems integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name plant floor systems integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 2,181 plant floor systems integrators based in the United States
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Plant floor systems integrators based in the United States at a glance
As of Sep 29, 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 2,181 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among plant floor systems integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “plant floor systems integrators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names plant floor systems integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among plant floor systems integrators, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 48,679 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Plant floor systems integrators by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names plant floor systems integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many plant floor systems integrators are there based in the United States?
RevenueBase identified 2,181 plant floor systems integrators headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Emerson, headquartered in St. Louis, tops this list with the largest team on record.
Which city has the most plant floor systems integrators?
Houston leads with 45 headquartered companies, followed by Grand Rapids (22) and Rochester (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 48,679 verified decision-maker contacts tracked across these 2,181 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.
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