Tools · windows os

Companies using Windows Server_

As of 4 November 2026, 5,784 companies name Windows Server in their own job postings; it leaves no trace on websites or in DNS.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Largest market
–
Companies with 51+ staff
–
Top industry
–
Team that names it most
IT operations & business systems · 13,010 postings
Hiring on it, last 30 days
4,608 companies
Most often alongside
Linux · 3,451 companies
5,784companies show Windows Server, all sources
0on their website or in DNS records
5,784name it in their own job postings
15,255postings naming Windows Server, last 90 days
02 — Two ways we see a tool

Where Windows Server shows up

Each population is counted on its own. We never add them up without saying so, because they answer different questions.

Website and DNS footprint0

Companies whose own pages load Windows Server's scripts or embeds, or whose domain's mail and hosting records (SPF, DKIM, MX, CNAME) point at Windows Server. From our crawl of 41.5M company websites and the DNS sweep behind it. Reach: the tool is in the building.

Job postings5,784

Companies whose own postings say the team works in Windows Server. Read hourly from ~70 applicant tracking systems, with the function, a quote and a date. Intent: the team that runs it is hiring.

Both0

Companies in the footprint whose postings also name Windows Server. The rest of the posting population (5,784) runs Windows Server without a public trace on the site or in DNS, which is where job data earns its place.

03 — Who uses it

Companies on Windows Server

Companies with 201+ employees and high-confidence evidence in their own postings; job boards and portals left out.

Ministère de l'Économie, des Finances et de la Souveraineté industrielle, énergétique et numériqueGovernment agencies & ministries · Paris 12, France10,001+ employeesSysteex Brandschutzsysteme GmbHFire protection services · Hanau, Germany501-1000 employeesAlabama Credit UnionCredit unions · United States201-500 employeesThe University of Texas at AustinUniversities · Austin, United States10,001+ employeesTerumo EuropeMedical device manufacturers · United States1001-5000 employeesMicronSemiconductor manufacturers · Boise, United States10,001+ employeesAndrews Federal Credit UnionCredit unions · Suitland, United States201-500 employeesİŞBANK AGRetail & commercial banks · Frankfurt am Main, Germany201-500 employeesFristam PumpsPump manufacturers · Hamburg, Germany201-500 employeesU.S. BankRetail & commercial banks · Minneapolis, United States10,001+ employeesDKBRetail & commercial banks · Berlin, Germany1001-5000 employeesTufts UniversityUniversities · Medford, United States10,001+ employeesVerathonMedical device manufacturers · Bothell, United States501-1000 employeesCustom Goods LogisticsWarehousing & fulfilment 3PL · Carson, United States501-1000 employeesWinbondSemiconductor manufacturers · United States1001-5000 employeesEaton Rapids Medical CenterGeneral hospitals · Eaton Rapids, United States201-500 employeesUnited Wholesale MortgageMortgage & property finance · Pontiac, United States5001-10000 employeesFinneganIp trademark patent firms · United States501-1000 employeesCentro Universitário UniFacensUniversities · San José, Brazil501-1000 employeesSécheronElectrical equipment manufacturers · United Kingdom501-1000 employees
5,784 companies show Windows Server; 0 of them have over 1,000 employees.

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06 — Job-posting evidence

Who runs Windows Server inside the company

The 5,784 companies whose postings name Windows Server: by country, size and the function of the role. The second number in the function table is companies.

Postings by function
postings · companies
IT operations & business systems
13,010 · 5,667
Software engineering
1,842 · 903
Engineering (non-software)
1,089 · 641
Customer service & success
599 · 380
Product, program & project management
252 · 139
Data & AI
231 · 97
skilled trades and field service
156 · 98
Sales
155 · 90
Education & training
69 · 41
Unclassified
42 · 28
Posting companies by country
companiesshare
United States
2,86950%
Germany
68612%
United Kingdom
3236%
France
2284%
Canada
1703%
Netherlands
1072%
Brazil
962%
Australia
841%
India
771%
Poland
751%
Switzerland
741%
Italy
721%
Posting companies by size
companiesshare
Self-employed
851%
2-10 employees
3526%
11-50 employees
76013%
51-200 employees
1,18120%
201-500 employees
96917%
501-1000 employees
61211%
1001-5000 employees
94616%
5001-10000 employees
2835%
10,001+ employees
59610%
Hiring on it right now
postings
Postings, last 30 days
11,797
Postings, last 90 days
15,255
All open postings
20,213

4,608 companies opened a role that names Windows Server in the last 30 days. A hiring team that names its tools is the moment to write to the person who owns the stack.

07 — Named alongside

What Windows Server teams also ask for

Tools named in the same postings as Windows Server. Office software is left out.

08 — windows os

Windows Server against the rest of its category

Ranked by companies naming each tool in postings. Whole category →

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

5,784 companies name Windows Server in their own job postings; it leaves no trace on websites or in DNS, so the posting layer is the whole picture. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/windows-server)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Website codeScripts, tags and embeds found on the company's own pages in our crawl of 41.5M sites. A tool counts once per company.
  • DNS recordsSPF includes, DKIM selectors, MX and CNAME records of the company's domain that point at Windows Server or another vendor. Swept in cycles; dedicated mail-provider and hosting facets open once coverage passes 80% per country.
  • Job postingsRead hourly from the applicant tracking systems behind company career sites. A tool counts when the employer's own text names it as the team's system; candidate wish-lists and apply boilerplate are excluded. Confidence low, medium or high per company.
  • Sending infrastructureCold-e-mail sending domains are look-alike domains on a provider's infrastructure (DNS records, certificate logs) that redirect to the company. Absence is not evidence: only companies with a found sending domain are counted.
  • CompaniesCountry, size and industry come from the company profile we build from its website; headcount from LinkedIn where known, otherwise estimated. Job boards, portals and aggregators are kept out of lists.
FAQ

Windows Server data: questions

How many companies use Windows Server?

5,784 as of 4 November 2026: 0 carry Windows Server on their website or in their DNS records and 5,784 name it in their own job postings; 0 show up in both. We keep the two counts apart because they measure different things.

What does "website or DNS" mean?

Our crawler finds Windows Server's scripts, embeds and tags on the company's own pages, and our DNS sweep reads the domain's mail and hosting records (SPF includes, DKIM selectors, MX, CNAMEs) that point at Windows Server. Either one puts the company in the footprint. The sweep is still running, so this number grows week by week.

Why is the job-posting number so much smaller?

A posting only names a tool when the team that will use it is hiring and chooses to say so. That makes it a smaller but stronger signal: it tells you which team runs Windows Server, with a quote and a date. The footprint tells you reach.

How fresh is this?

Career sites are read hourly, websites are re-crawled on a rolling schedule and DNS is re-swept in cycles. The date at the top is when these counts were computed.

Can I get the list?

Yes. The first 20 are on this page; the full 5,784 with verified e-mails and a weekly feed of new Windows Server users is in the product. Counting is free.

Companies and people

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