A breakdown of the 1.3K+ companies running Serv-U.
Top industries
Information technology and services235
Industrial and manufacturing199
Professional and business services182
Financial services109
Construction and building82
Media and telecommunications81
Health and wellness70
Transport59
No industry recorded: 88
Company size
1–1075 (6%)
11–50175 (14%)
51–250329 (26%)
251–500220 (17%)
501–1,000129 (10%)
1,001–5,000220 (17%)
5,001–10,00047 (4%)
10,001+65 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 120
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
15.5.4323
2026.3.0315
15.5.359
15.5.0.10756
15.4.2.15742
15.130
15.4.227
15.5.2.10227
15.5.024
15.5.1.10423
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Frequently asked questions
About the Serv-U data on this page.
How many companies use Serv-U?
Firmable holds confirmed Serv-U detections for 1,380 distinct companies, 1,360 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Serv-U?
Prosperity Life, KLR and Lanter Delivery Systems, LLC are among the most prominent in the current set.
What industries use Serv-U?
Information technology and services, industrial and manufacturing and professional and business services lead the set, across 19 industries in total.
What size companies use Serv-U?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Serv-U users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
1,360 companies were confirmed in the last 90 days. Last detection 14 October 2026.
