Company lists · Data refreshed October 2026
Top 25 I/o fieldbus devices suppliers worldwide
RevenueBase identified 124 company matches for i/o fieldbus devices suppliers worldwide as of October 2026 and tracks 1,828 professional contacts across them, including 485 with verified work emails. Istanbul is the largest hub.
This list covers company matches for i/o fieldbus devices suppliers worldwide, 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 26, 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 i/o fieldbus devices suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 116 contacts → | ||||
Exact match “For 50 years, OEMs, machine builders, system integrators, and IT and operations personnel have looked to Opto 22 for innovative automation products at an affordable price.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 2 | 112 contacts → | ||||
Exact match “KEB America is a leading manufacturer of industrial automation products, including industrial PCs, HMIs, I/O modules, VFDs, servo and induction motors, integral gearmotors, and…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 3 | 74 contacts → | ||||
Exact match “Solutions Geared for Industrial Applications® Since 1983, Spectrum Controls has continued to be the premier provider of hardware and related software products for the industrial…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 4 | 58 contacts → | ||||
Exact match “HESCO is the leading industrial automation solutions and industrial networking services provider in Connecticut.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 5 | 49 contacts → | ||||
Exact match “Seit der Gründung im Jahr 1991 zählen industrielle Netzwerke und Feldbussysteme zu unseren Kernkompetenzen und führten schnell zum heutigen Kerngeschäft, einer breiten…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “CASON is a producer and supplier of products and technologies for wide area industrial systems.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “Murrelektronik is a global leader in the development, manufacture and distribution of automation solutions.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 8 | 38 contacts → | ||||
Exact match “UNA EMPRESA DE SOLUCIONES GLOBALES PARA LA INDUSTRIA.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 9 | 33 contacts → | ||||
Exact match “Beckhoff toimittaa PC-pohjaisia automaatiojärjestelmiä.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “System Electronics is the technological center for the design and production of electronic products such as industrial PCs, I/O modules and industrial controllers suitable for…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 11 | 29 contacts → | ||||
Exact match “Software services Consulting Communication Protocols Infrastructure Components Gateways, Routers Fieldbus Systems BACnet Since 1987 MBS provides communication solutions in…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 12 | 28 contacts → | ||||
Exact match “Murrelektronik tekee teollisuuden automaatiosta yksinkertaista, saumatonta ja kustannustehokasta.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 13 | 25 contacts → | ||||
Exact match “With over 35 years manufacturing in the industrial automation field, SENECA has grown to be a major force in the signal conditioning and “ModBUS” I/O arenas.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “About Murrelektronik: Making industrial automation as simple, seamless and cost-efficient as possible with smart solutions: Murrelektronik is the forerunner in decentralized…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 15 | 24 contacts → | ||||
Exact match “Working closely with world's leading manufacturers, Alvasta provide high quality industrial networking products for system integrators and value added resellers.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 16 | 23 contacts → | ||||
Exact match “Online Development Inc.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “Contemporary Controls is a leading manufacturer of unique and innovative products for the industrial and building automation industries leveraging technologies such as BACnet…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “Murrelektronik est un leader mondial dans le développement, la fabrication et la distribution de solutions d'automatisation.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 19 | 16 contacts → | ||||
Exact match “Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “Electronic Proximity Switch, industrial network (ASI, DeviceNet and Profibus).” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “Kabel Group S.A.C.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “ControlByWeb™ Ethernet I/O products provide an easy and reliable way to monitor and control devices over a network.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “Hilscher specializes in products, technologies and services at the leading edge of industrial communications.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Solutions for industrial control and comunications.” Recorded in the RevenueBase company graph · Oct 26, 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 “i/o fieldbus devices suppliers”. 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 124 i/o fieldbus devices suppliers worldwide
See the full list, filter by size, metro and specialty, and access 485 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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I/o fieldbus devices suppliers worldwide at a glance
As of Oct 26, 2026Companies by employee count
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 124 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 worldwide whose business descriptions match “i/o fieldbus devices suppliers” 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. 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 485 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 26, 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 “i/o fieldbus devices suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many i/o fieldbus devices suppliers are there worldwide?
RevenueBase identified 124 company matches for i/o fieldbus devices suppliers worldwide 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?
Opto 22 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most i/o fieldbus devices suppliers?
Istanbul leads with 3 company records, followed by Singapore (3) and Sao Paulo (2).
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 485 professional contacts with verified work emails tracked across these 124 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 26, 2026.
Ready to reach these companies? Verified emails and direct dials for all 124 i/o fieldbus devices suppliers worldwide. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 i/o fieldbus devices suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 124 matching company records for i/o fieldbus devices suppliers worldwide, with 1,828 tracked contacts and 485 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: October 26, 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 i/o fieldbus devices suppliers worldwide
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 |  Opto 22opto22.comHQ: Temecula, CA, United StatesReported employees: 201-500 | Temecula, CA, United States | 201-500 | Exact match | 116 contacts → |
“For 50 years, OEMs, machine builders, system integrators, and IT and operations personnel have looked to Opto 22 for innovative automation products at an affordable price.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | KEB America, INCkebamerica.com HQ: Shakopee, MN, United StatesReported employees: 51-200 | Shakopee, MN, United States | 51-200 | Exact match | 112 contacts → |
“KEB America is a leading manufacturer of industrial automation products, including industrial PCs, HMIs, I/O modules, VFDs, servo and induction motors, integral gearmotors, and…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Spectrum Controlslanding.spectrumcontrols.comHQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 74 contacts → |
“Solutions Geared for Industrial Applications® Since 1983, Spectrum Controls has continued to be the premier provider of hardware and related software products for the industrial…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hesco Industrial Automation & Networkinghesconet.com HQ: Rocky Hill, CT, United StatesReported employees: 51-200 | Rocky Hill, CT, United States | 51-200 | Exact match | 58 contacts → |
“HESCO is the leading industrial automation solutions and industrial networking services provider in Connecticut.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Griesheim, GermanyReported employees: 51-200 | Griesheim, Germany | 51-200 | Exact match | 49 contacts → |
“Seit der Gründung im Jahr 1991 zählen industrielle Netzwerke und Feldbussysteme zu unseren Kernkompetenzen und führten schnell zum heutigen Kerngeschäft, einer breiten…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cason Engineering PLCcason.huHQ: Érd, HungaryReported employees: 51-200 | Érd, Hungary | 51-200 | Exact match | 46 contacts → |
“CASON is a producer and supplier of products and technologies for wide area industrial systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Murrelektronik North Americamurrinc.com HQ: Suwanee, GA, United StatesReported employees: 201-500 | Suwanee, GA, United States | 201-500 | Exact match | 43 contacts → |
“Murrelektronik is a global leader in the development, manufacture and distribution of automation solutions.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Intertronicintertronic.esHQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 38 contacts → |
“UNA EMPRESA DE SOLUCIONES GLOBALES PARA LA INDUSTRIA.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Beckhoff Automation Finlandbeckhoff.comHQ: Hyvinkää, FinlandReported employees: 11-50 | Hyvinkää, Finland | 11-50 | Exact match | 33 contacts → |
“Beckhoff toimittaa PC-pohjaisia automaatiojärjestelmiä.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | System Electronics, A Coesia Brandsystemelectronics.com HQ: Fiorano Modenese, ItalyReported employees: 51-200 | Fiorano Modenese, Italy | 51-200 | Exact match | 30 contacts → |
“System Electronics is the technological center for the design and production of electronic products such as industrial PCs, I/O modules and industrial controllers suitable for…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  MBS Gmbh, Krefeldmbs-solutions.deHQ: Krefeld, GermanyReported employees: 51-200 | Krefeld, Germany | 51-200 | Exact match | 29 contacts → |
“Software services Consulting Communication Protocols Infrastructure Components Gateways, Routers Fieldbus Systems BACnet Since 1987 MBS provides communication solutions in…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Murrelektronik Power OYmurrelektronik.fiHQ: Lahti, FinlandReported employees: 1,001-5,000 | Lahti, Finland | 1,001-5,000 | Exact match | 28 contacts → |
“Murrelektronik tekee teollisuuden automaatiosta yksinkertaista, saumatonta ja kustannustehokasta.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seneca Automation Interfacesseneca.it HQ: Padua, ItalyReported employees: 51-200 | Padua, Italy | 51-200 | Exact match | 25 contacts → |
“With over 35 years manufacturing in the industrial automation field, SENECA has grown to be a major force in the signal conditioning and “ModBUS” I/O arenas.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Murrelektronik Türkiyemurrelektronik.com.trHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 24 contacts → |
“About Murrelektronik: Making industrial automation as simple, seamless and cost-efficient as possible with smart solutions: Murrelektronik is the forerunner in decentralized…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pt. Alvasta Teknologialvasta-tech.comHQ: Jakarta Barat, IndonesiaReported employees: 11-50 | Jakarta Barat, Indonesia | 11-50 | Exact match | 24 contacts → |
“Working closely with world's leading manufacturers, Alvasta provide high quality industrial networking products for system integrators and value added resellers.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Online Developmentoldi.com HQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 23 contacts → |
“Online Development Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Contemporary Controlsccontrols.com HQ: Downers Grove, IL, United StatesReported employees: 51-200 | Downers Grove, IL, United States | 51-200 | Exact match | 21 contacts → |
“Contemporary Controls is a leading manufacturer of unique and innovative products for the industrial and building automation industries leveraging technologies such as BACnet…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Murrelektronik FRmurrelektronik.frHQ: Richwiller, FranceReported employees: 1,001-5,000 | Richwiller, France | 1,001-5,000 | Exact match | 18 contacts → |
“Murrelektronik est un leader mondial dans le développement, la fabrication et la distribution de solutions d'automatisation.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Murrelektronik CHmurrelektronik.chHQ: Beringen, BelgiumReported employees: 11-50 | Beringen, Belgium | 11-50 | Exact match | 16 contacts → |
“Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Murrelektronik Austriamurrelektronik.atHQ: Schwechat, AustriaReported employees: 1,001-5,000 | Schwechat, Austria | 1,001-5,000 | Exact match | 16 contacts → |
“Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sense Eletronica Ltdasense.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 16 contacts → |
“Electronic Proximity Switch, industrial network (ASI, DeviceNet and Profibus).” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kabel Group SACkabelgroupsac.com HQ: Lima, PeruReported employees: 11-50 | Lima, Peru | 11-50 | Exact match | 15 contacts → |
“Kabel Group S.A.C.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Controlbywebcontrolbyweb.com HQ: Nibley, UT, United StatesReported employees: 11-50 | Nibley, UT, United States | 11-50 | Exact match | 14 contacts → |
“ControlByWeb™ Ethernet I/O products provide an easy and reliable way to monitor and control devices over a network.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Hilscher North America, INChilscher.comHQ: Lisle, IL, United StatesReported employees: 11-50 | Lisle, IL, United States | 11-50 | Exact match | 13 contacts → |
“Hilscher specializes in products, technologies and services at the leading edge of industrial communications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Marcom S.R.Lmarcomweb.itHQ: Verona, ItalyReported employees: 11-50 | Verona, Italy | 11-50 | Exact match | 11 contacts → |
“Solutions for industrial control and comunications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 124 company matches
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I/o fieldbus devices suppliers: dataset insights
October 26, 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
123 records in the displayed employee bands.
1 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 124 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: October 26, 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 i/o fieldbus devices suppliers?
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 i/o fieldbus devices suppliers did RevenueBase find worldwide?
The saved snapshot records 124 matching company records, 1,828 tracked contacts and 485 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: October 26, 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.
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Cite this list
RevenueBase Data Team. Top 25 i/o fieldbus devices suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/i-o-fieldbus-devices-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- New lists
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Company intelligence · public preview
Top 25 i/o fieldbus devices suppliers worldwide
RevenueBase records 124 matching company records for i/o fieldbus devices suppliers worldwide, with 1,828 tracked contacts and 485 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: October 26, 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 i/o fieldbus devices suppliers worldwide
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 | Opto 22opto22.com HQ: Temecula, CA, United StatesReported employees: 201-500 | Temecula, CA, United States | 201-500 | Exact match | 116 contacts → |
“For 50 years, OEMs, machine builders, system integrators, and IT and operations personnel have looked to Opto 22 for innovative automation products at an affordable price.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | KEB America, INCkebamerica.com HQ: Shakopee, MN, United StatesReported employees: 51-200 | Shakopee, MN, United States | 51-200 | Exact match | 112 contacts → |
“KEB America is a leading manufacturer of industrial automation products, including industrial PCs, HMIs, I/O modules, VFDs, servo and induction motors, integral gearmotors, and…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Spectrum Controlslanding.spectrumcontrols.com HQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 74 contacts → |
“Solutions Geared for Industrial Applications® Since 1983, Spectrum Controls has continued to be the premier provider of hardware and related software products for the industrial…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hesco Industrial Automation & Networkinghesconet.com HQ: Rocky Hill, CT, United StatesReported employees: 51-200 | Rocky Hill, CT, United States | 51-200 | Exact match | 58 contacts → |
“HESCO is the leading industrial automation solutions and industrial networking services provider in Connecticut.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Griesheim, GermanyReported employees: 51-200 | Griesheim, Germany | 51-200 | Exact match | 49 contacts → |
“Seit der Gründung im Jahr 1991 zählen industrielle Netzwerke und Feldbussysteme zu unseren Kernkompetenzen und führten schnell zum heutigen Kerngeschäft, einer breiten…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cason Engineering PLCcason.hu HQ: Érd, HungaryReported employees: 51-200 | Érd, Hungary | 51-200 | Exact match | 46 contacts → |
“CASON is a producer and supplier of products and technologies for wide area industrial systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Murrelektronik North Americamurrinc.com HQ: Suwanee, GA, United StatesReported employees: 201-500 | Suwanee, GA, United States | 201-500 | Exact match | 43 contacts → |
“Murrelektronik is a global leader in the development, manufacture and distribution of automation solutions.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Intertronicintertronic.es HQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 38 contacts → |
“UNA EMPRESA DE SOLUCIONES GLOBALES PARA LA INDUSTRIA.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Beckhoff Automation Finlandbeckhoff.com HQ: Hyvinkää, FinlandReported employees: 11-50 | Hyvinkää, Finland | 11-50 | Exact match | 33 contacts → |
“Beckhoff toimittaa PC-pohjaisia automaatiojärjestelmiä.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | System Electronics, A Coesia Brandsystemelectronics.com HQ: Fiorano Modenese, ItalyReported employees: 51-200 | Fiorano Modenese, Italy | 51-200 | Exact match | 30 contacts → |
“System Electronics is the technological center for the design and production of electronic products such as industrial PCs, I/O modules and industrial controllers suitable for…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MBS Gmbh, Krefeldmbs-solutions.de HQ: Krefeld, GermanyReported employees: 51-200 | Krefeld, Germany | 51-200 | Exact match | 29 contacts → |
“Software services Consulting Communication Protocols Infrastructure Components Gateways, Routers Fieldbus Systems BACnet Since 1987 MBS provides communication solutions in…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Murrelektronik Power OYmurrelektronik.fi HQ: Lahti, FinlandReported employees: 1,001-5,000 | Lahti, Finland | 1,001-5,000 | Exact match | 28 contacts → |
“Murrelektronik tekee teollisuuden automaatiosta yksinkertaista, saumatonta ja kustannustehokasta.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seneca Automation Interfacesseneca.it HQ: Padua, ItalyReported employees: 51-200 | Padua, Italy | 51-200 | Exact match | 25 contacts → |
“With over 35 years manufacturing in the industrial automation field, SENECA has grown to be a major force in the signal conditioning and “ModBUS” I/O arenas.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Murrelektronik Türkiyemurrelektronik.com.tr HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 24 contacts → |
“About Murrelektronik: Making industrial automation as simple, seamless and cost-efficient as possible with smart solutions: Murrelektronik is the forerunner in decentralized…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pt. Alvasta Teknologialvasta-tech.com HQ: Jakarta Barat, IndonesiaReported employees: 11-50 | Jakarta Barat, Indonesia | 11-50 | Exact match | 24 contacts → |
“Working closely with world's leading manufacturers, Alvasta provide high quality industrial networking products for system integrators and value added resellers.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Online Developmentoldi.com HQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 23 contacts → |
“Online Development Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Contemporary Controlsccontrols.com HQ: Downers Grove, IL, United StatesReported employees: 51-200 | Downers Grove, IL, United States | 51-200 | Exact match | 21 contacts → |
“Contemporary Controls is a leading manufacturer of unique and innovative products for the industrial and building automation industries leveraging technologies such as BACnet…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Murrelektronik FRmurrelektronik.fr HQ: Richwiller, FranceReported employees: 1,001-5,000 | Richwiller, France | 1,001-5,000 | Exact match | 18 contacts → |
“Murrelektronik est un leader mondial dans le développement, la fabrication et la distribution de solutions d'automatisation.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Murrelektronik CHmurrelektronik.ch HQ: Beringen, BelgiumReported employees: 11-50 | Beringen, Belgium | 11-50 | Exact match | 16 contacts → |
“Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Murrelektronik Austriamurrelektronik.at HQ: Schwechat, AustriaReported employees: 1,001-5,000 | Schwechat, Austria | 1,001-5,000 | Exact match | 16 contacts → |
“Die industrielle Automatisierung durch geschickte Lösungen so einfach, nahtlos und kosteneffizient wie möglich machen: Murrelektronik ist der Vorreiter der dezentralen…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sense Eletronica Ltdasense.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 16 contacts → |
“Electronic Proximity Switch, industrial network (ASI, DeviceNet and Profibus).” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kabel Group SACkabelgroupsac.com HQ: Lima, PeruReported employees: 11-50 | Lima, Peru | 11-50 | Exact match | 15 contacts → |
“Kabel Group S.A.C.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Controlbywebcontrolbyweb.com HQ: Nibley, UT, United StatesReported employees: 11-50 | Nibley, UT, United States | 11-50 | Exact match | 14 contacts → |
“ControlByWeb™ Ethernet I/O products provide an easy and reliable way to monitor and control devices over a network.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hilscher North America, INChilscher.com HQ: Lisle, IL, United StatesReported employees: 11-50 | Lisle, IL, United States | 11-50 | Exact match | 13 contacts → |
“Hilscher specializes in products, technologies and services at the leading edge of industrial communications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Marcom S.R.Lmarcomweb.it HQ: Verona, ItalyReported employees: 11-50 | Verona, Italy | 11-50 | Exact match | 11 contacts → |
“Solutions for industrial control and comunications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 124 company matches
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I/o fieldbus devices suppliers: dataset insights
October 26, 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
123 records in the displayed employee bands.
1 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 124 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: October 26, 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 i/o fieldbus devices suppliers?
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 i/o fieldbus devices suppliers did RevenueBase find worldwide?
The saved snapshot records 124 matching company records, 1,828 tracked contacts and 485 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: October 26, 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.
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Cite this list
RevenueBase Data Team. Top 25 i/o fieldbus devices suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/i-o-fieldbus-devices-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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