A breakdown of the 35 companies running Rubberduck CMS.
Top industries
Construction and building6
Professional and business services4
Education and training3
Industrial and manufacturing3
Information technology and services3
Real estate and home services3
Art, sports and recreation2
Health and wellness2
No industry recorded: 2
Company size
1–1019 (70%)
11–506 (22%)
51–2502 (7%)
Share of companies with a recorded size, by employees.
No size recorded: 8
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Frequently asked questions
About the Rubberduck CMS data on this page.
How many companies use Rubberduck CMS?
Firmable holds confirmed Rubberduck CMS detections for 35 distinct companies, 34 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Rubberduck CMS?
Regal Confections, Medialo and Bl Nk are among the most prominent in the current set.
What industries use Rubberduck CMS?
Construction and building, professional and business services and education and training lead the set, across 17 industries in total.
What size companies use Rubberduck CMS?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Rubberduck CMS users based?
Canada and the United States account for most detections, across 2 countries.
How current is this data?
34 companies were confirmed in the last 90 days. Last detection 13 October 2026.
