CSI SAFE VS Dlubal RFEM
As of 30 October 2026, Dlubal RFEM is named by 101 companies and CSI SAFE by 416; CSI SAFE skews to companies under 200 people (36% vs 53%), Dlubal RFEM to companies over 1,000 (24% vs 43%).
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: CSI SAFE's script and mail records show on hundreds of thousands of small sites, Dlubal RFEM rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- CSI SAFE: 2–200 employees
- 36%
- Dlubal RFEM: 2–200 employees
- 53%
- CSI SAFE: 1,000+ employees
- 43%
- Dlubal RFEM: 1,000+ employees
- 24%
- Postings per company, 90 days
- 3.7 · 1.7
- 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 | CSI SAFE | share | Dlubal RFEM | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 5 | 1% | 1 | 1% | even |
| 2-10 employees | 24 | 6% | 16 | 16% | Dlubal RFEM |
| 11-50 employees | 52 | 13% | 17 | 17% | Dlubal RFEM |
| 51-200 employees | 73 | 18% | 21 | 21% | Dlubal RFEM |
| 201-500 employees | 47 | 11% | 10 | 10% | even |
| 501-1000 employees | 36 | 9% | 12 | 12% | Dlubal RFEM |
| 1001-5000 employees | 74 | 18% | 9 | 9% | CSI SAFE |
| 5001-10000 employees | 24 | 6% | 6 | 6% | even |
| 10,001+ employees | 81 | 19% | 9 | 9% | CSI SAFE |
| Segment | CSI SAFE | share | Dlubal RFEM | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 136 | 33% | – | – | outside top 12 |
| Business & finance services | 128 | 31% | 42 | 42% | Dlubal RFEM |
| Manufacturing & industry | 45 | 11% | 15 | 15% | Dlubal RFEM |
| Property & construction | 39 | 9% | 28 | 28% | Dlubal RFEM |
| Utilities & infrastructure | 17 | 4% | 4 | 4% | even |
| Commerce & trade | 12 | 3% | 1 | 1% | even |
| Public, community & associations | 9 | 2% | 1 | 1% | even |
| Media & content | 9 | 2% | 3 | 3% | even |
| Health care | 7 | 2% | – | – | outside top 12 |
| Consumer services & leisure | 5 | 1% | – | – | outside top 12 |
| Automotive | 4 | 1% | 3 | 3% | Dlubal RFEM |
| Transport, logistics & rental | 4 | 1% | 3 | 3% | Dlubal RFEM |
| Hospitality & travel | – | – | 1 | 1% | outside top 12 |
| Segment | CSI SAFE | share | Dlubal RFEM | share | Leans |
|---|---|---|---|---|---|
| United States | 219 | 53% | 7 | 7% | CSI SAFE |
| United Kingdom | 35 | 8% | 5 | 5% | CSI SAFE |
| Germany | 30 | 7% | 53 | 52% | Dlubal RFEM |
| France | 22 | 5% | 2 | 2% | CSI SAFE |
| Canada | 18 | 4% | 3 | 3% | even |
| Australia | 10 | 2% | – | – | outside top 12 |
| Switzerland | 10 | 2% | 4 | 4% | even |
| Netherlands | 10 | 2% | 7 | 7% | Dlubal RFEM |
| India | 9 | 2% | – | – | outside top 12 |
| United Arab Emirates | 6 | 1% | 1 | 1% | even |
| Denmark | 5 | 1% | – | – | outside top 12 |
| Belgium | 4 | 1% | – | – | outside top 12 |
| Poland | – | – | 7 | 7% | outside top 12 |
| Austria | – | – | 4 | 4% | outside top 12 |
| Spain | – | – | 2 | 2% | outside top 12 |
| Finland | – | – | 2 | 2% | outside top 12 |
| Segment | CSI SAFE | share | Dlubal RFEM | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 658 | 33% | 173 | 69% | Dlubal RFEM |
| Software engineering | 350 | 17% | – | – | outside top 12 |
| Product, program & project management | 317 | 16% | – | – | outside top 12 |
| IT operations & business systems | 244 | 12% | – | – | outside top 12 |
| Data & AI | 108 | 5% | – | – | outside top 12 |
| General management & consulting | 46 | 2% | – | – | outside top 12 |
| Construction and civil | 21 | 1% | 25 | 10% | Dlubal RFEM |
| Sales | 15 | 1% | 2 | 1% | even |
| Finance & accounting | 11 | 1% | – | – | outside top 12 |
| Business development & strategy | 6 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 6 | 0% | – | – | outside top 12 |
| Human resources | 5 | 0% | – | – | outside top 12 |
| Logistics warehouse and transport | – | – | 1 | 0% | outside top 12 |
| Skilled trades and field service | – | – | 1 | 0% | outside top 12 |
| Unclassified | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using CSI SAFE →
Companies using Dlubal RFEM →
structural engineering ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Dlubal RFEM is named by 101 companies in job postings and CSI SAFE by 416; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/csi-safe-vs-dlubal-rfem)
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.
CSI SAFE vs Dlubal RFEM: questions
Which is more used, CSI SAFE or Dlubal RFEM?
By companies naming it in their own job postings, CSI SAFE (416) over Dlubal RFEM (101). By website-and-DNS footprint, Dlubal RFEM (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses CSI SAFE?
36% of CSI SAFE companies have 2 to 200 employees, against 53% for Dlubal RFEM. 43% of CSI SAFE companies have over 1,000 employees, against 24% for Dlubal RFEM.
Do companies run both?
0 companies name both in their postings, usually CSI SAFE in marketing and Dlubal RFEM 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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