CANopen VS DDS (Data Distribution Service)
As of 30 October 2026, DDS (Data Distribution Service) is named by 194 companies and CANopen by 135; CANopen skews to companies under 200 people (44% vs 46%), DDS (Data Distribution Service) to companies over 1,000 (29% vs 31%).
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: CANopen's script and mail records show on hundreds of thousands of small sites, DDS (Data Distribution Service) rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- CANopen: 2–200 employees
- 44%
- DDS (Data Distribution Service): 2–200 employees
- 46%
- CANopen: 1,000+ employees
- 31%
- DDS (Data Distribution Service): 1,000+ employees
- 29%
- Postings per company, 90 days
- 1.9 · 2.8
- 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 | CANopen | share | DDS (Data Distribution Service) | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 13 | 10% | 26 | 13% | DDS (Data Distribution Service) |
| 11-50 employees | 17 | 13% | 26 | 13% | even |
| 51-200 employees | 29 | 21% | 38 | 20% | even |
| 201-500 employees | 23 | 17% | 23 | 12% | CANopen |
| 501-1000 employees | 11 | 8% | 23 | 12% | DDS (Data Distribution Service) |
| 1001-5000 employees | 14 | 10% | 21 | 11% | even |
| 5001-10000 employees | 8 | 6% | 5 | 3% | CANopen |
| 10,001+ employees | 20 | 15% | 30 | 15% | even |
| Self-employed | – | – | 2 | 1% | outside top 12 |
| Segment | CANopen | share | DDS (Data Distribution Service) | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 84 | 62% | 74 | 38% | CANopen |
| Technology & software | 15 | 11% | 41 | 21% | DDS (Data Distribution Service) |
| Business & finance services | 8 | 6% | 19 | 10% | DDS (Data Distribution Service) |
| Automotive | 7 | 5% | 12 | 6% | even |
| Property & construction | 6 | 4% | 11 | 6% | even |
| Commerce & trade | 3 | 2% | 6 | 3% | even |
| Utilities & infrastructure | 3 | 2% | 7 | 4% | even |
| Public, community & associations | 2 | 1% | 7 | 4% | DDS (Data Distribution Service) |
| Consumer services & leisure | 2 | 1% | 2 | 1% | even |
| Transport, logistics & rental | 2 | 1% | 7 | 4% | DDS (Data Distribution Service) |
| Agriculture & forestry | 1 | 1% | – | – | outside top 12 |
| Health care | 1 | 1% | 3 | 2% | even |
| Media & content | – | – | 4 | 2% | outside top 12 |
| Segment | CANopen | share | DDS (Data Distribution Service) | share | Leans |
|---|---|---|---|---|---|
| United States | 54 | 40% | 129 | 66% | DDS (Data Distribution Service) |
| Germany | 19 | 14% | 23 | 12% | CANopen |
| United Kingdom | 7 | 5% | 8 | 4% | even |
| France | 6 | 4% | 5 | 3% | even |
| Netherlands | 6 | 4% | 2 | 1% | CANopen |
| Sweden | 6 | 4% | – | – | outside top 12 |
| Switzerland | 4 | 3% | 3 | 2% | even |
| Spain | 4 | 3% | 2 | 1% | even |
| Austria | 3 | 2% | – | – | outside top 12 |
| Poland | 3 | 2% | – | – | outside top 12 |
| TH | 3 | 2% | – | – | outside top 12 |
| Canada | 2 | 1% | 2 | 1% | even |
| India | – | – | 3 | 2% | outside top 12 |
| Norway | – | – | 2 | 1% | outside top 12 |
| Singapore | – | – | 2 | 1% | outside top 12 |
| United Arab Emirates | – | – | 1 | 1% | outside top 12 |
| Segment | CANopen | share | DDS (Data Distribution Service) | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 136 | 40% | 170 | 22% | CANopen |
| Software engineering | 132 | 39% | 317 | 41% | even |
| Sales | 8 | 2% | 11 | 1% | even |
| Customer service & success | 5 | 1% | – | – | outside top 12 |
| IT operations & business systems | 3 | 1% | 22 | 3% | even |
| Logistics warehouse and transport | 3 | 1% | – | – | outside top 12 |
| Skilled trades and field service | 3 | 1% | 6 | 1% | even |
| Data & AI | 1 | 0% | 17 | 2% | even |
| Product, program & project management | 1 | 0% | 10 | 1% | even |
| Marketing & communications | – | – | 23 | 3% | outside top 12 |
| Finance & accounting | – | – | 14 | 2% | outside top 12 |
| Quality, safety & environment | – | – | 11 | 1% | outside top 12 |
| Construction and civil | – | – | 6 | 1% | outside top 12 |
| Design & UX | – | – | 4 | 1% | outside top 12 |
The companies behind each column
Companies using CANopen →
Companies using DDS (Data Distribution Service) →
iot platforms protocols ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
DDS (Data Distribution Service) is named by 194 companies in job postings and CANopen by 135; 4 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/canopen-vs-dds)
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.
CANopen vs DDS (Data Distribution Service): questions
Which is more used, CANopen or DDS (Data Distribution Service)?
By companies naming it in their own job postings, DDS (Data Distribution Service) (194) over CANopen (135). By website-and-DNS footprint, DDS (Data Distribution Service) (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses CANopen?
44% of CANopen companies have 2 to 200 employees, against 46% for DDS (Data Distribution Service). 31% of CANopen companies have over 1,000 employees, against 29% for DDS (Data Distribution Service).
Do companies run both?
4 companies name both in their postings, usually CANopen in marketing and DDS (Data Distribution 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.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on CANopen or DDS (Data Distribution Service). Start free, no card.