CAN FD VS OPC (OPC UA)
As of 30 October 2026, OPC (OPC UA) is named by 350 companies and CAN FD by 132; CAN FD skews to companies under 200 people (38% vs 23%), OPC (OPC UA) to companies over 1,000 (57% vs 39%).
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: CAN FD's script and mail records show on hundreds of thousands of small sites, OPC (OPC UA) rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- CAN FD: 2–200 employees
- 38%
- OPC (OPC UA): 2–200 employees
- 23%
- CAN FD: 1,000+ employees
- 39%
- OPC (OPC UA): 1,000+ employees
- 57%
- Postings per company, 90 days
- 3.5 · 3.1
- 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 | CAN FD | share | OPC (OPC UA) | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 1% | 1 | 0% | even |
| 2-10 employees | 12 | 9% | 10 | 3% | CAN FD |
| 11-50 employees | 13 | 10% | 21 | 6% | CAN FD |
| 51-200 employees | 25 | 19% | 50 | 14% | CAN FD |
| 201-500 employees | 19 | 14% | 37 | 11% | CAN FD |
| 501-1000 employees | 11 | 8% | 33 | 9% | even |
| 1001-5000 employees | 14 | 11% | 75 | 21% | OPC (OPC UA) |
| 5001-10000 employees | 7 | 5% | 33 | 9% | OPC (OPC UA) |
| 10,001+ employees | 30 | 23% | 90 | 26% | OPC (OPC UA) |
| Segment | CAN FD | share | OPC (OPC UA) | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 48 | 36% | 124 | 35% | even |
| Automotive | 31 | 23% | 15 | 4% | CAN FD |
| Technology & software | 28 | 21% | 46 | 13% | CAN FD |
| Business & finance services | 12 | 9% | 42 | 12% | OPC (OPC UA) |
| Transport, logistics & rental | 5 | 4% | 5 | 1% | CAN FD |
| Consumer services & leisure | 4 | 3% | 4 | 1% | even |
| Property & construction | 2 | 2% | 33 | 9% | OPC (OPC UA) |
| Commerce & trade | 1 | 1% | 13 | 4% | OPC (OPC UA) |
| Public, community & associations | 1 | 1% | 6 | 2% | even |
| Utilities & infrastructure | – | – | 54 | 15% | outside top 12 |
| Media & content | – | – | 4 | 1% | outside top 12 |
| Agriculture & forestry | – | – | 2 | 1% | outside top 12 |
| Segment | CAN FD | share | OPC (OPC UA) | share | Leans |
|---|---|---|---|---|---|
| United States | 73 | 55% | 191 | 55% | even |
| Germany | 11 | 8% | 23 | 7% | even |
| France | 9 | 7% | 23 | 7% | even |
| United Kingdom | 6 | 5% | 28 | 8% | OPC (OPC UA) |
| India | 5 | 4% | 5 | 1% | CAN FD |
| Canada | 4 | 3% | 12 | 3% | even |
| Sweden | 4 | 3% | 4 | 1% | even |
| Australia | 2 | 2% | – | – | outside top 12 |
| Brazil | 2 | 2% | – | – | outside top 12 |
| Italy | 2 | 2% | 5 | 1% | even |
| Poland | 2 | 2% | – | – | outside top 12 |
| Türkiye | 2 | 2% | – | – | outside top 12 |
| Netherlands | – | – | 8 | 2% | outside top 12 |
| Switzerland | – | – | 6 | 2% | outside top 12 |
| Austria | – | – | 5 | 1% | outside top 12 |
| Spain | – | – | 4 | 1% | outside top 12 |
| Segment | CAN FD | share | OPC (OPC UA) | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 233 | 39% | 77 | 6% | CAN FD |
| Engineering (non-software) | 214 | 36% | 588 | 43% | OPC (OPC UA) |
| IT operations & business systems | 21 | 4% | 158 | 11% | OPC (OPC UA) |
| Sales | 8 | 1% | 24 | 2% | even |
| Quality, safety & environment | 7 | 1% | 6 | 0% | even |
| Customer service & success | 4 | 1% | 8 | 1% | even |
| Product, program & project management | 4 | 1% | 55 | 4% | OPC (OPC UA) |
| Logistics warehouse and transport | 3 | 1% | – | – | outside top 12 |
| Skilled trades and field service | 2 | 0% | 63 | 5% | OPC (OPC UA) |
| Data & AI | 1 | 0% | 14 | 1% | even |
| Legal, compliance & risk | 1 | 0% | – | – | outside top 12 |
| Unclassified | 1 | 0% | – | – | outside top 12 |
| Construction and civil | – | – | 30 | 2% | outside top 12 |
| Administration & office | – | – | 6 | 0% | outside top 12 |
| General management & consulting | – | – | 6 | 0% | outside top 12 |
The companies behind each column
Companies using CAN FD →
Companies using OPC (OPC UA) →
iot platforms protocols ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
OPC (OPC UA) is named by 350 companies in job postings and CAN FD by 132; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/can-fd-vs-opc)
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.
CAN FD vs OPC (OPC UA): questions
Which is more used, CAN FD or OPC (OPC UA)?
By companies naming it in their own job postings, OPC (OPC UA) (350) over CAN FD (132). By website-and-DNS footprint, OPC (OPC UA) (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses CAN FD?
38% of CAN FD companies have 2 to 200 employees, against 23% for OPC (OPC UA). 39% of CAN FD companies have over 1,000 employees, against 57% for OPC (OPC UA).
Do companies run both?
0 companies name both in their postings, usually CAN FD in marketing and OPC (OPC UA) 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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