CompactLogix VS IEC 61131
As of 30 October 2026, IEC 61131 is named by 233 companies and CompactLogix by 165; CompactLogix skews to companies under 200 people (19% vs 36%), IEC 61131 to companies over 1,000 (42% vs 54%).
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: CompactLogix's script and mail records show on hundreds of thousands of small sites, IEC 61131 rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- CompactLogix: 2–200 employees
- 19%
- IEC 61131: 2–200 employees
- 36%
- CompactLogix: 1,000+ employees
- 54%
- IEC 61131: 1,000+ employees
- 42%
- Postings per company, 90 days
- 2.0 · 1.9
- 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 | CompactLogix | share | IEC 61131 | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 3 | 2% | 17 | 7% | IEC 61131 |
| 11-50 employees | 11 | 7% | 21 | 9% | IEC 61131 |
| 51-200 employees | 18 | 11% | 45 | 19% | IEC 61131 |
| 201-500 employees | 29 | 18% | 28 | 12% | CompactLogix |
| 501-1000 employees | 15 | 9% | 21 | 9% | even |
| 1001-5000 employees | 43 | 26% | 38 | 16% | CompactLogix |
| 5001-10000 employees | 11 | 7% | 12 | 5% | even |
| 10,001+ employees | 35 | 21% | 49 | 21% | even |
| Self-employed | – | – | 2 | 1% | outside top 12 |
| Segment | CompactLogix | share | IEC 61131 | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 97 | 59% | 132 | 57% | CompactLogix |
| Utilities & infrastructure | 18 | 11% | 19 | 8% | CompactLogix |
| Automotive | 14 | 8% | 10 | 4% | CompactLogix |
| Commerce & trade | 11 | 7% | 8 | 3% | CompactLogix |
| Business & finance services | 7 | 4% | 20 | 9% | IEC 61131 |
| Property & construction | 6 | 4% | 12 | 5% | even |
| Technology & software | 5 | 3% | 12 | 5% | IEC 61131 |
| Agriculture & forestry | 2 | 1% | 1 | 0% | even |
| Consumer services & leisure | 2 | 1% | 2 | 1% | even |
| Media & content | 2 | 1% | 5 | 2% | even |
| Public, community & associations | 1 | 1% | 9 | 4% | IEC 61131 |
| Transport, logistics & rental | – | – | 2 | 1% | outside top 12 |
| Segment | CompactLogix | share | IEC 61131 | share | Leans |
|---|---|---|---|---|---|
| United States | 131 | 79% | 106 | 45% | CompactLogix |
| Canada | 10 | 6% | 4 | 2% | CompactLogix |
| United Kingdom | 9 | 5% | 11 | 5% | even |
| India | 4 | 2% | – | – | outside top 12 |
| Italy | 2 | 1% | 7 | 3% | even |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| AO | 1 | 1% | – | – | outside top 12 |
| Austria | 1 | 1% | 4 | 2% | even |
| Australia | 1 | 1% | 2 | 1% | even |
| Brazil | 1 | 1% | 2 | 1% | even |
| France | 1 | 1% | 8 | 3% | IEC 61131 |
| Poland | 1 | 1% | – | – | outside top 12 |
| Germany | – | – | 58 | 25% | outside top 12 |
| Switzerland | – | – | 4 | 2% | outside top 12 |
| Netherlands | – | – | 4 | 2% | outside top 12 |
| Denmark | – | – | 3 | 1% | outside top 12 |
| Segment | CompactLogix | share | IEC 61131 | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 247 | 60% | 356 | 62% | IEC 61131 |
| Skilled trades and field service | 115 | 28% | 22 | 4% | CompactLogix |
| Software engineering | 5 | 1% | 87 | 15% | IEC 61131 |
| IT operations & business systems | 3 | 1% | 5 | 1% | even |
| Sales | 3 | 1% | 13 | 2% | even |
| Construction and civil | 1 | 0% | 2 | 0% | even |
| Education & training | 1 | 0% | – | – | outside top 12 |
| Manufacturing and production | 1 | 0% | – | – | outside top 12 |
| Quality, safety & environment | – | – | 5 | 1% | outside top 12 |
| Product, program & project management | – | – | 4 | 1% | outside top 12 |
| Customer service & success | – | – | 3 | 1% | outside top 12 |
| Unclassified | – | – | 2 | 0% | outside top 12 |
| General management & consulting | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using CompactLogix →
Companies using IEC 61131 →
plc programming ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
IEC 61131 is named by 233 companies in job postings and CompactLogix by 165; 5 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/compactlogix-vs-iec-61131)
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.
CompactLogix vs IEC 61131: questions
Which is more used, CompactLogix or IEC 61131?
By companies naming it in their own job postings, IEC 61131 (233) over CompactLogix (165). By website-and-DNS footprint, IEC 61131 (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses CompactLogix?
19% of CompactLogix companies have 2 to 200 employees, against 36% for IEC 61131. 54% of CompactLogix companies have over 1,000 employees, against 42% for IEC 61131.
Do companies run both?
5 companies name both in their postings, usually CompactLogix in marketing and IEC 61131 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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