A breakdown of the 231 companies running The Work Number.
Top industries
Financial services33
Health and wellness28
Professional and business services26
Industrial and manufacturing23
Education and training22
Hospitality and travel15
Information technology and services15
Construction and building12
No industry recorded: 8
Company size
1–107 (3%)
11–5023 (10%)
51–25035 (16%)
251–50024 (11%)
501–1,00016 (7%)
1,001–5,00063 (28%)
5,001–10,00017 (8%)
10,001+39 (17%)
Share of companies with a recorded size, by employees.
No size recorded: 7
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Frequently asked questions
About the The Work Number data on this page.
How many companies use The Work Number?
Firmable holds confirmed The Work Number detections for 231 distinct companies, 14 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use The Work Number?
Arctic Slope Regional Corporation, Napa Transportation, Inc. and Cesar Chavez Foundation are among the most prominent in the current set.
What industries use The Work Number?
Financial services, health and wellness and professional and business services lead the set, across 18 industries in total.
What size companies use The Work Number?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are The Work Number users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
14 companies were confirmed in the last 90 days. Last detection 6 September 2026.
