Amazon MSK VS Java Message Service
As of 30 October 2026, Java Message Service is named by 425 companies and Amazon MSK by 242; Amazon MSK skews to companies under 200 people (31% vs 42%), Java Message Service to companies over 1,000 (31% vs 40%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Amazon MSK's script and mail records show on hundreds of thousands of small sites, Java Message Service rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Amazon MSK: 2–200 employees
- 31%
- Java Message Service: 2–200 employees
- 42%
- Amazon MSK: 1,000+ employees
- 40%
- Java Message Service: 1,000+ employees
- 31%
- Postings per company, 90 days
- 2.7 · 2.7
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Amazon MSK | share | Java Message Service | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 0% | 6 | 1% | even |
| 2-10 employees | 10 | 4% | 24 | 6% | even |
| 11-50 employees | 21 | 9% | 65 | 15% | Java Message Service |
| 51-200 employees | 43 | 18% | 90 | 21% | Java Message Service |
| 201-500 employees | 39 | 16% | 69 | 16% | even |
| 501-1000 employees | 31 | 13% | 39 | 9% | Amazon MSK |
| 1001-5000 employees | 45 | 19% | 51 | 12% | Amazon MSK |
| 5001-10000 employees | 16 | 7% | 18 | 4% | Amazon MSK |
| 10,001+ employees | 36 | 15% | 63 | 15% | even |
| Segment | Amazon MSK | share | Java Message Service | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 125 | 52% | 257 | 60% | Java Message Service |
| Business & finance services | 52 | 21% | 91 | 21% | even |
| Health care | 20 | 8% | 3 | 1% | Amazon MSK |
| Manufacturing & industry | 8 | 3% | 23 | 5% | Java Message Service |
| Transport, logistics & rental | 7 | 3% | 5 | 1% | even |
| Utilities & infrastructure | 7 | 3% | 8 | 2% | even |
| Media & content | 5 | 2% | 6 | 1% | even |
| Automotive | 4 | 2% | 1 | 0% | even |
| Public, community & associations | 4 | 2% | 7 | 2% | even |
| Consumer services & leisure | 4 | 2% | 10 | 2% | even |
| Commerce & trade | 3 | 1% | 9 | 2% | even |
| Property & construction | 2 | 1% | 5 | 1% | even |
| Segment | Amazon MSK | share | Java Message Service | share | Leans |
|---|---|---|---|---|---|
| United States | 157 | 65% | 255 | 60% | Amazon MSK |
| United Kingdom | 21 | 9% | 26 | 6% | Amazon MSK |
| Canada | 10 | 4% | 8 | 2% | Amazon MSK |
| Germany | 5 | 2% | 13 | 3% | even |
| France | 5 | 2% | 17 | 4% | even |
| India | 5 | 2% | 21 | 5% | Java Message Service |
| Australia | 4 | 2% | 4 | 1% | even |
| Brazil | 3 | 1% | – | – | outside top 12 |
| Switzerland | 3 | 1% | 7 | 2% | even |
| Singapore | 3 | 1% | 5 | 1% | even |
| Bulgaria | 2 | 1% | – | – | outside top 12 |
| China | 2 | 1% | – | – | outside top 12 |
| Sweden | – | – | 8 | 2% | outside top 12 |
| Poland | – | – | 6 | 1% | outside top 12 |
| Belgium | – | – | 4 | 1% | outside top 12 |
| Segment | Amazon MSK | share | Java Message Service | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 283 | 36% | 1,594 | 73% | Java Message Service |
| Data & AI | 201 | 26% | 28 | 1% | Amazon MSK |
| Healthcare clinical | 118 | 15% | – | – | outside top 12 |
| IT operations & business systems | 69 | 9% | 214 | 10% | even |
| Product, program & project management | 9 | 1% | 8 | 0% | even |
| Sales | 7 | 1% | 7 | 0% | even |
| Engineering (non-software) | 4 | 1% | 22 | 1% | even |
| Marketing & communications | 4 | 1% | – | – | outside top 12 |
| Business development & strategy | 3 | 0% | – | – | outside top 12 |
| Customer service & success | 3 | 0% | 4 | 0% | even |
| Social care and community | 3 | 0% | – | – | outside top 12 |
| Finance & accounting | 2 | 0% | 3 | 0% | even |
| Public safety and protective services | – | – | 5 | 0% | outside top 12 |
| Logistics warehouse and transport | – | – | 4 | 0% | outside top 12 |
| Construction and civil | – | – | 3 | 0% | outside top 12 |
| Design & UX | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using Amazon MSK →
Companies using Java Message Service →
message brokers streaming ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Java Message Service is named by 425 companies in job postings and Amazon MSK by 242; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/amazon-msk-vs-jms)
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 career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- 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.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Amazon MSK vs Java Message Service: questions
Which is more used, Amazon MSK or Java Message Service?
By companies naming it in their own job postings, Java Message Service (425) over Amazon MSK (242). By website-and-DNS footprint, Java Message Service (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Amazon MSK?
31% of Amazon MSK companies have 2 to 200 employees, against 42% for Java Message Service. 40% of Amazon MSK companies have over 1,000 employees, against 31% for Java Message Service.
Do companies run both?
0 companies name both in their postings, usually Amazon MSK in marketing and Java Message Service in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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