Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DECameo Systems Modeler VS IBM DOORS_
As of 4 November 2026, IBM DOORS is named by 638 companies and Cameo Systems Modeler by 401; Cameo Systems Modeler skews to companies under 200 people (47% vs 39%), IBM DOORS to companies over 1,000 (36% vs 29%).
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: Cameo Systems Modeler's script and mail records show on hundreds of thousands of small sites, IBM DOORS rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Cameo Systems Modeler: 2–200 employees
- 47%
- IBM DOORS: 2–200 employees
- 39%
- Cameo Systems Modeler: 1,000+ employees
- 29%
- IBM DOORS: 1,000+ employees
- 36%
- Postings per company, 90 days
- 11.0 · 7.6
- 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 | Cameo Systems Modeler | share | IBM DOORS | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 5 | 1% | 15 | 2% | even |
| 2-10 employees | 20 | 5% | 49 | 8% | IBM DOORS |
| 11-50 employees | 55 | 14% | 77 | 12% | even |
| 51-200 employees | 114 | 28% | 123 | 19% | Cameo Systems Modeler |
| 201-500 employees | 59 | 15% | 92 | 14% | even |
| 501-1000 employees | 31 | 8% | 54 | 8% | even |
| 1001-5000 employees | 48 | 12% | 83 | 13% | even |
| 5001-10000 employees | 14 | 3% | 37 | 6% | IBM DOORS |
| 10,001+ employees | 55 | 14% | 108 | 17% | IBM DOORS |
| Segment | Cameo Systems Modeler | share | IBM DOORS | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 170 | 42% | 275 | 43% | even |
| Technology & software | 98 | 24% | 107 | 17% | Cameo Systems Modeler |
| Business & finance services | 65 | 16% | 123 | 19% | IBM DOORS |
| Public, community & associations | 18 | 4% | 14 | 2% | Cameo Systems Modeler |
| Automotive | 14 | 3% | 48 | 8% | IBM DOORS |
| Transport, logistics & rental | 8 | 2% | 16 | 3% | even |
| Utilities & infrastructure | 8 | 2% | 12 | 2% | even |
| Consumer services & leisure | 7 | 2% | 5 | 1% | even |
| Media & content | 7 | 2% | 12 | 2% | even |
| Property & construction | 4 | 1% | 16 | 3% | even |
| Commerce & trade | 2 | 0% | 6 | 1% | even |
| Health care | – | – | 3 | 0% | outside top 12 |
| Segment | Cameo Systems Modeler | share | IBM DOORS | share | Leans |
|---|---|---|---|---|---|
| United States | 322 | 80% | 374 | 59% | Cameo Systems Modeler |
| United Kingdom | 14 | 3% | 42 | 7% | IBM DOORS |
| Germany | 13 | 3% | 56 | 9% | IBM DOORS |
| France | 13 | 3% | 32 | 5% | even |
| Canada | 6 | 1% | 19 | 3% | even |
| Austria | 3 | 1% | – | – | outside top 12 |
| Switzerland | 3 | 1% | – | – | outside top 12 |
| India | 3 | 1% | 7 | 1% | even |
| Spain | 2 | 0% | 14 | 2% | even |
| Netherlands | 2 | 0% | 7 | 1% | even |
| Poland | 2 | 0% | – | – | outside top 12 |
| Czechia | 1 | 0% | – | – | outside top 12 |
| Sweden | – | – | 10 | 2% | outside top 12 |
| Australia | – | – | 8 | 1% | outside top 12 |
| Belgium | – | – | 6 | 1% | outside top 12 |
| Italy | – | – | 6 | 1% | outside top 12 |
| Segment | Cameo Systems Modeler | share | IBM DOORS | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 3,773 | 75% | 3,911 | 68% | Cameo Systems Modeler |
| Software engineering | 414 | 8% | 608 | 11% | IBM DOORS |
| IT operations & business systems | 215 | 4% | 209 | 4% | even |
| Quality, safety & environment | 73 | 1% | 146 | 3% | even |
| Product, program & project management | 34 | 1% | 102 | 2% | even |
| Data & AI | 33 | 1% | 28 | 0% | even |
| Administration & office | 15 | 0% | 27 | 0% | even |
| Sales | 6 | 0% | 16 | 0% | even |
| arts media and entertainment | 5 | 0% | 6 | 0% | even |
| manufacturing and production | 4 | 0% | 1 | 0% | even |
| research and science | 3 | 0% | – | – | outside top 12 |
| Unclassified | 3 | 0% | – | – | outside top 12 |
| construction and civil | 2 | 0% | 8 | 0% | even |
| Education & training | 2 | 0% | – | – | outside top 12 |
| General management & consulting | 2 | 0% | 3 | 0% | even |
| Customer service & success | 1 | 0% | 8 | 0% | even |
| Design & UX | 1 | 0% | 4 | 0% | even |
| Finance & accounting | 1 | 0% | – | – | outside top 12 |
| healthcare clinical | 1 | 0% | – | – | outside top 12 |
| public safety and protective services | 1 | 0% | – | – | outside top 12 |
| skilled trades and field service | 1 | 0% | 6 | 0% | even |
| Legal, compliance & risk | – | – | 1 | 0% | outside top 12 |
| procurement and purchasing | – | – | 1 | 0% | outside top 12 |
| Travel, leisure & events | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Cameo Systems Modeler →
Companies using IBM DOORS →
requirements mbse ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
IBM DOORS is named by 638 companies in job postings and Cameo Systems Modeler by 401; 233 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/cameo-systems-modeler-vs-ibm-doors)
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.
Cameo Systems Modeler vs IBM DOORS: questions
Which is more used, Cameo Systems Modeler or IBM DOORS?
By companies naming it in their own job postings, IBM DOORS (638) over Cameo Systems Modeler (401). By website-and-DNS footprint, IBM DOORS (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Cameo Systems Modeler?
47% of Cameo Systems Modeler companies have 2 to 200 employees, against 39% for IBM DOORS. 29% of Cameo Systems Modeler companies have over 1,000 employees, against 36% for IBM DOORS.
Do companies run both?
233 companies name both in their postings, usually Cameo Systems Modeler in marketing and IBM DOORS 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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