Company lists · Data refreshed September 2026

Top 25 Isolator manufacturers worldwide

Name: Isolator manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 1,563 companies tracked

RevenueBase identified 1,563 isolator manufacturers worldwide as of September 2026 and tracks 22,286 professional contacts across them, including 5,668 with verified work emails. India is the largest market and Hyderabad the largest hub.

This list covers isolator manufacturers worldwide, 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 30, 2026. Country and city lists for isolator manufacturers follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

1,563Companies

22,286Contacts tracked

5,668Verified emails

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The 25 largest isolator manufacturers worldwide

Ranked by team size

Top 25 of 1,563 isolator manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to isolator manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SKAN	Partial evidence	Allschwil, SwitzerlandHQ checked Sep 30, 2026	1,001-5,000	966 contacts →
	Partial evidence “SKAN is a Swiss company and a global market and technological leader for isolators, cleanroom devices, and decontamination processes for the aseptic production of…” Source: RevenueBase Database · checked Sep 30, 2026
2	Pfisterer	Indirect evidence	Winterbach, FranceHQ checked Sep 30, 2026	1,001-5,000	541 contacts →
	Indirect evidence “PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.” Source: RevenueBase Database · checked Sep 30, 2026
3	Comecer	Partial evidence	Castel Bolognese, ItalyHQ checked Sep 30, 2026	201-500	443 contacts →
	Partial evidence “Comecer, an ATS company, develops and manufactures high-tech systems for Aseptic Processing and Containment in Pharmaceutical and Nuclear Medicine Industries, specialising in…” Source: RevenueBase Database · checked Sep 30, 2026
4	Daramic, LLC	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 30, 2026	1,001-5,000	440 contacts →
	Indirect evidence “For over 90 years, Daramic, LLC has led the way in developing new and innovative technology for the lead battery market.” Source: RevenueBase Database · checked Sep 30, 2026
5	VON Roll	Indirect evidence	Wesel, GermanyHQ checked Sep 30, 2026	1,001-5,000	434 contacts →
	Indirect evidence “Please note that this account is no longer being actively managed.” Source: RevenueBase Database · checked Sep 30, 2026
6	Integrated Cleanroom Technologies Limited	Indirect evidence	Hyderabad, IndiaHQ checked Sep 30, 2026	501-1,000	281 contacts →
	Indirect evidence “Largest Company in India for Clean Rooms on Turnkey Basis catering to requirements of Pharmaceuticals, Semionductor, Food & Beverage and Research Laboratories.” Source: RevenueBase Database · checked Sep 30, 2026
7	Eltaş Transformatör A.Ş	Indirect evidence	TürkiyeHQ checked Sep 30, 2026	501-1,000	270 contacts →
	Indirect evidence “We are proud to announce that in this year, our new production facility equipped with the best, modern machines and equipment at m² open area, was started the production with…” Source: RevenueBase Database · checked Sep 30, 2026
8	Modern Insulators LTD	Partial evidence	Abu Road, IndiaHQ checked Sep 30, 2026	1,001-5,000	235 contacts →
	Partial evidence “Modern Insulators ltd is India’s largest manufacturer and exporter of equipment porcelain insulators, working closely with OEMs, Indian Railways, National and Regional Utilities…” Source: RevenueBase Database · checked Sep 30, 2026
9	Sediver	Indirect evidence	Courbevoie, FranceHQ checked Sep 30, 2026	501-1,000	212 contacts →
	Indirect evidence “For 75 years Sediver has specialized in overhead line insulation technology - research, design, manufacturing, testing and supply of insulators for AC and DC applications designed…” Source: RevenueBase Database · checked Sep 30, 2026
10	Klenzaids	Partial evidence	Mumbai, IndiaHQ checked Sep 30, 2026	201-500	201 contacts →
	Partial evidence “Klenzaids manufactures benchmark Aseptic, Bioclean and Containment equipment which are elemental to plants established by the pharmaceutical, biological, life science, healthcare…” Source: RevenueBase Database · checked Sep 30, 2026
11	Entek International	Indirect evidence	Lebanon, OR, IndiaHQ checked Sep 30, 2026	1,001-5,000	190 contacts →
	Indirect evidence “ENTEK sells lead-acid separators, lithium-ion separators, extruders, and engineering services on six continents.” Source: RevenueBase Database · checked Sep 30, 2026
12	AES Cleanroom Technology	Partial evidence	Montgomeryville, PA, United StatesHQ checked Sep 30, 2026	201-500	189 contacts →
	Partial evidence “The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…” Source: RevenueBase Database · checked Sep 30, 2026
13	Airplan	Indirect evidence	Sant Fruitós De Bages, MexicoHQ checked Sep 30, 2026	51-200	163 contacts →
	Indirect evidence “TURNKEY SOLUTIONS FOR CLEANROOM FACILITIES AND PROCESS LINES AIRPLAN is a modular cleanroom and process solutions integrator.” Source: RevenueBase Database · checked Sep 30, 2026
14	Saint-Gobain India	Indirect evidence	Mumbai, IndiaHQ checked Sep 30, 2026	1,001-5,000	158 contacts →
	Indirect evidence “Saint-Gobain India – Insulation Business, as part of the global Saint-Gobain Group, carries a legacy woven from innovation and purpose.” Source: RevenueBase Database · checked Sep 30, 2026
15	Maurizio	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 30, 2026	201-500	158 contacts →
	Indirect evidence “Maurizio, fundada em 1956, consolidou-se como referência na fabricação de equipamentos de alta tensão para linhas de Distribuição, Transmissão, Subestação e Smart Grids.” Source: RevenueBase Database · checked Sep 30, 2026
16	Ritz Instrument Transformers	Indirect evidence	Hamburg, GermanyHQ checked Sep 30, 2026	501-1,000	148 contacts →
	Indirect evidence “RITZ is one of the world´s leading specialists for Instrument Transformers, Cast Resin Applications and Cast Resin Insulated Busbar Systems.” Source: RevenueBase Database · checked Sep 30, 2026
17	IAC Electricals	Indirect evidence	Kolkata, IndiaHQ checked Sep 30, 2026	51-200	144 contacts →
	Indirect evidence “IAC Electricals Pvt.” Source: RevenueBase Database · checked Sep 30, 2026
18	Johns Manville Industrial Insulation	Partial evidence	Denver, CO, United StatesHQ checked Sep 30, 2026	201-500	141 contacts →
	Partial evidence “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Source: RevenueBase Database · checked Sep 30, 2026
19	Alce Elektrik San. VE Tic. A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	501-1,000	140 contacts →
	Indirect evidence “ALCE Elektrik is a global provider in energy sector with solutions for measurement and insulation devices.” Source: RevenueBase Database · checked Sep 30, 2026
20	Germfree	Indirect evidence	Ormond Beach, FL, United StatesHQ checked Sep 30, 2026	51-200	139 contacts →
	Indirect evidence “Germfree provides controlled aseptic environments as well as primary and secondary containment to serve the rigorous demands of our clients.” Source: RevenueBase Database · checked Sep 30, 2026
21	Wilson Power Solutions	Partial evidence	Leeds, United KingdomHQ checked Sep 30, 2026	51-200	136 contacts →
	Partial evidence “Wilson Power Solutions is a power and distribution transformer manufacturer, recognised for pioneering amorphous transformer core technology, making it home to Europe's most…” Source: RevenueBase Database · checked Sep 30, 2026
22	Gruppo Bonomi	Indirect evidence	Montichiari, ItalyHQ checked Sep 30, 2026	501-1,000	134 contacts →
	Indirect evidence “Gruppo Bonomi was founded in Lumezzane in 1928 as a foundry of non-ferrous alloys and expands its production over the years thanks to the acquisition of brands such as Rebosio…” Source: RevenueBase Database · checked Sep 30, 2026
23	Isolet	Indirect evidence	Itu, BrazilHQ checked Sep 30, 2026	201-500	134 contacts →
	Indirect evidence “ISOLET is a company based out of Rod.” Source: RevenueBase Database · checked Sep 30, 2026
24	Imesa SPA	Partial evidence	Jesi, ItalyHQ checked Sep 30, 2026	51-200	131 contacts →
	Partial evidence “IMESA is a leading European manufacturer of Medium and Low Voltage electrical switchgears, medium voltage SF6-insulated switch disconnectors for indoor and outdoor, Supervisory…” Source: RevenueBase Database · checked Sep 30, 2026
25	The Baker Company	Indirect evidence	Sanford, ME, United StatesHQ checked Sep 30, 2026	51-200	124 contacts →
	Indirect evidence “For more than 60 years, Baker has helped advance science, discovery and clinical care by pioneering innovative solutions for air containment, contamination control and controlled…” Source: RevenueBase Database · checked Sep 30, 2026

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: isolator manufacturers. 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 isolator manufacturers.
Partial evidence: Its own public description names part of isolator manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name isolator manufacturers. 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 1,563 isolator manufacturers worldwide

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Isolator manufacturers worldwide at a glance

As of Sep 30, 2026

25.4%Verified-email coverage

14.3Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Hyderabad

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

410

11-50

504

51-200

419

201-500

150

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 isolator manufacturers, 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.
Coverage: Every country. Country and city lists for isolator manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “isolator manufacturers”. 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 isolator manufacturers), 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 isolator manufacturers, and records with no verified work email.
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, 5,668 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 30, 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.

Isolator manufacturers by location

10 lists · largest first

Every Isolator manufacturers 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 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 isolator manufacturers, 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 isolator manufacturers are there worldwide?

RevenueBase identified 1,563 isolator manufacturers worldwide 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?

SKAN, headquartered in Allschwil, tops this list with the largest team on record.

Which country has the most isolator manufacturers?

India leads with 379 companies, followed by the United States (143) and the United Kingdom (82). Every isolator manufacturers list by country and city is linked on this page.

Which city has the most isolator manufacturers?

Hyderabad leads with 32 headquartered companies, followed by Bangalore (26) and Delhi (25).

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 5,668 verified decision-maker contacts tracked across these 1,563 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 30, 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.