Compare · iot platforms protocols

CAN bus VS Modbus_

As of 4 November 2026, Modbus is named by 2,067 companies and CAN bus by 1,760; CAN bus skews to companies under 200 people (49% vs 39%), Modbus to companies over 1,000 (36% vs 28%).

As of 4 November 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 bus's script and mail records show on hundreds of thousands of small sites, Modbus rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

CAN bus: 2–200 employees
49%
Modbus: 2–200 employees
39%
CAN bus: 1,000+ employees
28%
Modbus: 1,000+ employees
36%
Postings per company, 90 days
3.2 · 2.8
Website or DNS footprint
0 · 0
1,760companies name CAN bus
2,067companies name Modbus
407name both
5,610 · 5,698postings in 90 days, CAN bus · Modbus
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentCAN busshareModbusshareLeans
Self-employed342%382%even
2-10 employees19711%1748%CAN bus
11-50 employees29917%25112%CAN bus
51-200 employees36521%39119%even
201-500 employees23713%27813%even
501-1000 employees1277%1939%Modbus
1001-5000 employees21612%32416%Modbus
5001-10000 employees774%1196%even
10,001+ employees20812%29914%Modbus
By industry
SegmentCAN busshareModbusshareLeans
Manufacturing & industry80446%82140%CAN bus
Technology & software27015%27513%CAN bus
Business & finance services18711%24012%even
Automotive18410%563%CAN bus
Utilities & infrastructure613%23211%Modbus
Commerce & trade513%713%even
Transport, logistics & rental473%141%even
Property & construction402%21310%Modbus
Public, community & associations362%543%even
Media & content332%251%even
Consumer services & leisure322%442%even
Health care60%––outside top 12
Agriculture & forestry––111%outside top 12
By country
SegmentCAN busshareModbusshareLeans
United States96155%1,14455%even
Germany1619%1648%even
United Kingdom885%1055%even
France553%713%even
India513%492%even
Sweden493%––outside top 12
Netherlands432%412%even
Canada392%623%even
Italy251%311%even
Spain231%301%even
Switzerland201%251%even
Australia191%––outside top 12
Poland––271%outside top 12
Austria––241%outside top 12
Postings by team (share of each tool's postings)
SegmentCAN busshareModbusshareLeans
Software engineering2,85038%88112%CAN bus
Engineering (non-software)2,66936%3,24245%Modbus
skilled trades and field service5217%91913%Modbus
IT operations & business systems1232%4416%Modbus
Quality, safety & environment961%310%even
Sales821%1913%even
Product, program & project management571%941%even
Data & AI451%571%even
Customer service & success270%591%even
Unclassified160%70%even
logistics warehouse and transport130%40%even
construction and civil90%391%even
Education & training90%230%even
Design & UX60%––outside top 12
manufacturing and production60%30%even
research and science60%80%even
Business development & strategy40%110%even
Marketing & communications30%40%even
General management & consulting20%100%even
arts media and entertainment10%––outside top 12
Finance & accounting10%30%even
Legal, compliance & risk10%20%even
facilities cleaning and security––90%outside top 12
hospitality and food service––20%outside top 12
Administration & office––10%outside top 12
public safety and protective services––10%outside top 12
Cite this

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

Modbus is named by 2,067 companies in job postings and CAN bus by 1,760; 407 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/can-bus-vs-modbus)
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 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.
FAQ

CAN bus vs Modbus: questions

Which is more used, CAN bus or Modbus?

By companies naming it in their own job postings, Modbus (2,067) over CAN bus (1,760). By website-and-DNS footprint, Modbus (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses CAN bus?

49% of CAN bus companies have 2 to 200 employees, against 39% for Modbus. 28% of CAN bus companies have over 1,000 employees, against 36% for Modbus.

Do companies run both?

407 companies name both in their postings, usually CAN bus in marketing and Modbus 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.

Companies and people

Get either list your way

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Every company on either tool,
with the person who owns it

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