Company lists · Data refreshed November 2026

Top 25 Diaphragm manufacturers worldwide

RevenueBase identified 129 company matches for diaphragm manufacturers worldwide as of November 2026 and tracks 1,689 professional contacts across them, including 503 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for diaphragm manufacturers 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 5, 2026. Country and city lists for diaphragm manufacturers 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 5, 2026 How this list was built
129Companies
1,689Contacts tracked
503Verified emails
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The 25 largest diaphragm manufacturers worldwide

Ranked by team size
Top 25 of 129 company matches for diaphragm manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchSchenkon, SwitzerlandHQ recorded Nov 5, 2026501-1,000430 contacts →

Exact match

“We are KNF.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSharon, MA, United StatesHQ recorded Nov 5, 2026201-500179 contacts →

Exact match

“Senior Metal Bellows was founded on a breakthrough process for creating welded diaphragm metal bellows in 1955.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSouderton, PA, United StatesHQ recorded Nov 5, 202651-200106 contacts →

Exact match

“PDC Machines is the global authority on diaphragm compression solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAmherst, NH, United StatesHQ recorded Nov 5, 202651-20056 contacts →

Exact match

“Diacom Corporation is a U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBalingen, GermanyHQ recorded Nov 5, 202651-20052 contacts →

Exact match

“Mehrer Compressors - Your partner for gas and air compression Established in 1889, Mehrer is one of the oldest and most traditional compressor manufacturers in the world and is…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202611-5045 contacts →

Exact match

“A Vallair desde 1987 é uma empresa especializada e focada em produtos que utilizam princípios de funcionamento baseados em diafragmas dos mais diversos tipos, formatos e materiais.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchOsakis, MN, IndiaHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“American made Professional Grade diaphragm pump and motor manufacturer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202651-20022 contacts →

Exact match

“Founded in 2002 and upholding quality and customer satisfaction as top priority ever since, Diapump Pompa ve Mak.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchCommack, NY, United StatesHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“At Avery Biomedical Devices, we are dedicated to improving the lives of ventilator-dependent patients through the Avery Diaphragm Pacemaker-a clinically proven, cost-effective…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchCarson City, NV, United StatesHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Aquasyn diaphragm valves have been in use since 1995 safeguarding many of the most valuable products of the world’s largest Biotechnology firms.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWilde, ArgentinaHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“INDESUR es el mayor fabricante de Bombas Neumáticas de Doble Diafragma de Sudamérica y el distribuidor en Argentina de la línea de equipos grado alimenticio y farmacéutico de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCwmbran, United KingdomHQ recorded Nov 5, 202651-20012 contacts →

Exact match

“Saunders® within the Crane ChemPharma & Energy business of Crane Company leads in diaphragm valve technology, providing solutions to critical life science applications."The…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchKollam, IndiaHQ recorded Nov 5, 20261-1012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchReading, PA, United StatesHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“Dynaflo, Inc.'s energy-efficient diaphragm vacuum pumps and air compressors are the right mix of size, weight, power, and price, and can be fully customized to give your products…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLawrence, MA, United StatesHQ recorded Nov 5, 202651-20010 contacts →

Exact match

“Custom Manufacturer of Fabric Reinforced Diaphragm Seals.+200 years of combined technical experience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchRedlands, CA, United StatesHQ recorded Nov 5, 20261-109 contacts →

Exact match

“JDA GLOBAL LLC serves as the world's largest & most experienced after-market diaphragm pump products provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchDeerfield Beach, FL, United StatesHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Accurate emissions data starts with reliable sampling.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchHolon, IsraelHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Migan Group Ltd.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBarendrecht, NetherlandsHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Sinds 1956 vervaardigen wij verdringerpompen en bieden wij technische ondersteuning aan een groot aantal industrieën zoals (bio)farmacie, water, chemie en food & beverages.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchKorntal-münchingen, GermanyHQ recorded Nov 5, 202611-507 contacts →

Exact match

“JOYNER Pneumatic GmbH ist ein hochflexibler Hersteller von Ventilen und Zylindern.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchWangs, SwitzerlandHQ recorded Nov 5, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchCharlotte, NC, United StatesHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Smartech is the North American partner for Steinbach Membranes (diaphragms, bladders, blankets, etc.) for woodworking, composites, solar, laminated glass and more.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-507 contacts →

Exact match

“A Valmaster segue uma tradição de qualidade iniciada pela CIVA em 1954, dedicando-se ao fornecimento das mais conceituadas marcas de válvulas e acessórios do mercado internacional…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchGermanyHQ recorded Nov 5, 2026501-1,0006 contacts →

Exact match

“LEWA is a worldwide leading manufacturer of diaphragm metering pumps, process pumps, complete metering systems and plants.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Originally founded in the 1950’s Charles Austen Pumps is based just outside London in the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 129 diaphragm manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 503 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diaphragm manufacturers worldwide at a glance

As of Nov 5, 2026
29.8%Verified-email coverage
13.1Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
57
51-200
25
201-500
9
501-1,000
3
1,001-5,000
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 diaphragm manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “diaphragm manufacturers” 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 503 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 5, 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.

Diaphragm manufacturers by location

1 lists · largest first

Every Diaphragm 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 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 “diaphragm manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diaphragm manufacturers are there worldwide?

RevenueBase identified 129 company matches for diaphragm manufacturers 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?

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

Which country has the most diaphragm manufacturers?

The United States leads with 26 companies. Every diaphragm manufacturers list by country and city is linked on this page.

Which city has the most diaphragm manufacturers?

Sao Paulo leads with 5 company records, followed by Chennai (3) and Istanbul (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 503 professional contacts with verified work emails tracked across these 129 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 5, 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.