Tools · React · United States

Companies using React in United States_

As of 4 November 2026, 1,885,430 US companies show React: 1,876,408 on their website or in DNS records and 9,260 in their own job postings, led by San Francisco.

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

Top city
San Francisco · 31,296
In both sources
238
Most common size
11-50 employees
Team that names it most
Software engineering · 9,708 postings
Top industry, posting companies
Technology & software
1,885,430US companies show React, all sources
1,876,408on their website or in DNS records
9,260name it in job postings · 12,756 open
San Franciscocity with most React companies · 31,296
02 — Who uses it

US companies on React

Companies with 51+ employees and high-confidence evidence in their own postings; job boards and portals left out.

1,218 US companies match this filter; 1,885,430 show React in total.

Open the sales or marketing leader at each one with a verified e-mail, or get new US React users every Monday.

Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

03 — Breakdown

By city, company size, industry and team

Footprint tables first (website or DNS), then the companies whose postings name React.

Footprint by city
companiesshare
San Francisco
31,2962%
New York
11,6101%
Houston
9,9191%
Miami
7,8970%
Chicago
7,4450%
Atlanta
7,1550%
Austin
6,0930%
Dallas
5,8630%
San Diego
5,1290%
Brooklyn
4,9500%
Footprint by company size
companiesshare
Self-employed
1,221,79865%
2-10 employees
496,36226%
11-50 employees
131,9267%
51-200 employees
20,0301%
201-500 employees
4,0670%
501-1000 employees
1,1940%
1001-5000 employees
7270%
5001-10000 employees
1220%
10,001+ employees
1820%
Posting companies by city
companiesshare
New York
4144%
San Francisco
3854%
Austin
1141%
Boston
851%
Chicago
851%
Atlanta
671%
Houston
661%
Miami
591%
Dallas
581%
San Jose
501%
Posting companies by size
companiesshare
Self-employed
6597%
2-10 employees
1,51716%
11-50 employees
2,13523%
51-200 employees
1,98221%
201-500 employees
95910%
501-1000 employees
5806%
1001-5000 employees
7658%
5001-10000 employees
2142%
10,001+ employees
4495%
Posting companies by industry
companiesshare
Technology & software
5,67461%
Business & finance services
1,62218%
Manufacturing & industry
5576%
Media & content
3223%
Consumer services & leisure
2302%
Commerce & trade
1912%
Health care
1381%
Public, community & associations
1231%
Transport, logistics & rental
1021%
Utilities & infrastructure
1001%
Property & construction
831%
Hospitality & travel
541%
Postings by function
postings · companies
Software engineering
9,708 · 3,441
Data & AI
827 · 488
IT operations & business systems
349 · 241
Engineering (non-software)
249 · 181
Design & UX
174 · 132
Product, program & project management
102 · 79
Sales
56 · 47
Customer service & success
38 · 29
Unclassified
34 · 24
Quality, safety & environment
24 · 14
Finance & accounting
23 · 11
Marketing & communications
17 · 17
Cite this

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

1,885,430 US companies show React: 1,876,408 carry it on their website or in their DNS records, 9,260 name it in their own job postings, 238 do both. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/react/united-states)
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 →

  • Job postingsRead hourly from the applicant tracking systems behind US career sites. A tool counts when the employer's own text names it as the team's system.
  • CountryFrom the company's own website: imprint, address, phone prefix and language, with a confidence score. Not the posting's location.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • ExclusionsJob boards, portals and aggregators are kept out of company lists.
FAQ

React in United States: questions

Is this every US company on React?

It is every US company whose website, DNS records or own job postings show it: 1,885,430 in total. Companies that use React without any public trace are not counted.

What does "United States" mean here?

The country of the company, from its own website (imprint, address, phone prefix, language), not where the posting is located. A German company hiring in Paris still counts as German.

How do I get the US list with e-mails?

Sign up, filter companies on React and United States, and open the people you want. Counting is free; the first 1,000 records are too.

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