Company lists · Data refreshed November 2026

Top 25 Operator interfaces suppliers worldwide

RevenueBase identified 261 company matches for operator interfaces suppliers worldwide as of November 2026 and tracks 6,655 professional contacts across them, including 2,117 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for operator interfaces 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 November 6, 2026. Country and city lists for operator interfaces suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
261Companies
6,655Contacts tracked
2,117Verified emails
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The 25 largest operator interfaces suppliers worldwide

Ranked by team size
Top 25 of 261 company matches for operator interfaces suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLippstadt, GermanyHQ recorded Nov 6, 20261,001-5,000835 contacts →

Exact match

“We've moved!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBerg, GermanyHQ recorded Nov 6, 20261,001-5,000526 contacts →

Exact match

“RAFIs has been one of the world's leading suppliers of human-machine communication solutions since 1900.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHuman-machine Interfaces, FranceHQ recorded Nov 6, 20261,001-5,000390 contacts →

Exact match

“At APEM, we are able to design and manufacture any Human Machine Interface, whatever your requirements may be.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchEverett, WA, United StatesHQ recorded Nov 6, 2026201-500364 contacts →

Exact match

“Korry has been a trusted name in human-machine interface (HMI) solutions for over 85 years, when the company created the first lighted cockpit controls for the developing military…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLa Grange, IL, United StatesHQ recorded Nov 6, 2026501-1,000306 contacts →

Exact match

“GRAYHILL, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOlten, SwitzerlandHQ recorded Nov 6, 2026501-1,000297 contacts →

Exact match

“Human Machine Interfaces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchShenzhen, ChinaHQ recorded Nov 6, 2026501-1,000180 contacts →

Exact match

“FocalTech Systems Co, Ltd (FocalTech for short), found in the USA in 2005 and went public in Taiwan in 2013, is a global leading HMI solutions supplier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Giovanni Lupatoto, ItalyHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“EXOR International, an Italian company operating globally, has been designing, developing and manufacturing solutions in HMI, control and Industrial IoT for nearly half a century.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 2026201-500144 contacts →

Exact match

“NKK Switches is a global manufacturer of innovative electromechanical switches and programmable displays, setting the standard for quality and reliability in human-machine…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchShakopee, MN, United StatesHQ recorded Nov 6, 202651-200117 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMariano Comense, ItalyHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“ESA Automation is a leading global company specializing in HMI with SoftPLC, IPC (Panel IPC, Box IPC and Industrial Monitor), I/O, ROUTER e the innvoative SCADA software Crew with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 202651-20076 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCoeur D'alene, ID, United StatesHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“For over 40 years, AIS has been a global provider of Human Machine Interface products for the medical, commercial and industrial markets and applications; where innovative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Founded in Costa Mesa in 1958, Staco Systems is the preeminent designer and manufacturer of dependable, high precision Human to Machine Interface (HMI) solutions that assure the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“VCC, an American, privately held company founded in 1976, has developed into one of the world’s leading manufacturers of HMI Components.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNewfields, United StatesHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“A global leader in the development, design and manufacture of Human Machine Interface (HMI) products and components.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEverett, WA, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“Maple Systems, Your Industrial Control Solution Since 1983, Maple Systems has been a leading provider of HMIs (human machine interfaces) in North America for industrial, OEM, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMexicoHQ recorded Nov 6, 2026201-50052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Strongarm specializes in customized, ergonomic and environmentally protected operator interface terminal systems, workstations, mountings, enclosures, and displays for the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVillingen-schwenningen, GermanyHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Our core competence lies in the development, production & provision of excellent electronic solutions for demanding industries and specific customer requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMeridian, ID, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“We are an industry-leading designer, developer, and manufacturer of advanced, innovative user interface systems, primarily in the medical, industrial, avionics, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCernusco Sul Naviglio, ItalyHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“EFA Automazione S.p.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTaipei City, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“For more than 35 years Promate Solutions and its parent company Promate Electronics have been dedicated to bringing our customers product visions to life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Mimic Crafts was started in 1971 as a manufacturer of electronic and mimic displays.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGranarolo Dell'emilia, ItalyHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“OXI Group opera da anni nel campo della progettazione e produzione di tastiere, pannelli touch e sistemi HMI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 261 operator interfaces suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operator interfaces suppliers worldwide at a glance

As of Nov 6, 2026
31.8%Verified-email coverage
25.5Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
83
11-50
91
51-200
50
201-500
17
501-1,000
11
1,001-5,000
7
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for operator interfaces suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “operator interfaces 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 2,117 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 November 6, 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.

Operator interfaces suppliers by location

2 lists · largest first

Every Operator interfaces suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “operator interfaces suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operator interfaces suppliers are there worldwide?

RevenueBase identified 261 company matches for operator interfaces suppliers worldwide as of November 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?

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

Which country has the most operator interfaces suppliers?

The United States leads with 54 companies, followed by Germany (27). Every operator interfaces suppliers list by country and city is linked on this page.

Which city has the most operator interfaces suppliers?

Houston leads with 4 company records, followed by Shenzhen (4) and Mumbai (3).

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 2,117 professional contacts with verified work emails tracked across these 261 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 November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.