A breakdown of the 2.9K+ companies running OPC UA.
Top industries
Industrial and manufacturing1K+
Information technology and services803
Professional and business services231
Construction and building217
Resources, energy and utilities175
Financial services63
Media and telecommunications60
Wholesale52
No industry recorded: 98
Company size
1–10203 (8%)
11–50318 (12%)
51–250554 (21%)
251–500312 (12%)
501–1,000233 (9%)
1,001–5,000432 (16%)
5,001–10,000196 (7%)
10,001+397 (15%)
Share of companies with a recorded size, by employees.
No size recorded: 329
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Frequently asked questions
About the OPC UA data on this page.
How many companies use OPC UA?
Firmable holds confirmed OPC UA detections for 2,974 distinct companies, 1,092 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use OPC UA?
Kodiak Gas Services, NORESCO and Leeward Renewable Energy are among the most prominent in the current set.
What industries use OPC UA?
Industrial and manufacturing, information technology and services and professional and business services lead the set, across 19 industries in total.
What size companies use OPC UA?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are OPC UA users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
1,092 companies were confirmed in the last 90 days. Last detection 13 October 2026.
