Share of companies with a recorded size, by employees.
No size recorded: 15
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Frequently asked questions
About the O-Calc data on this page.
How many companies use O-Calc?
Firmable holds confirmed O-Calc detections for 206 distinct companies, 61 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use O-Calc?
ITG Communications, LLC, Potelco Inc and American Society of Interior Designers are among the most prominent in the current set.
What industries use O-Calc?
Construction and building, media and telecommunications and professional and business services lead the set, across 15 industries in total.
What size companies use O-Calc?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are O-Calc users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
61 companies were confirmed in the last 90 days. Last detection 6 September 2026.
