A breakdown of the 197 companies running Aon Hewitt.
Top industries
Information technology and services35
Industrial and manufacturing34
Professional and business services25
Financial services23
Construction and building11
Hospitality and travel9
Art, sports and recreation8
Not for profit7
No industry recorded: 7
Company size
1–1019 (10%)
11–5014 (8%)
51–25035 (19%)
251–50016 (9%)
501–1,00017 (9%)
1,001–5,00038 (21%)
5,001–10,00011 (6%)
10,001+34 (18%)
Share of companies with a recorded size, by employees.
No size recorded: 13
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Frequently asked questions
About the Aon Hewitt data on this page.
How many companies use Aon Hewitt?
Firmable holds confirmed Aon Hewitt detections for 197 distinct companies, 13 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Aon Hewitt?
Crown Auto Group Winnipeg, SHRM and Kiewit are among the most prominent in the current set.
What industries use Aon Hewitt?
Information technology and services, industrial and manufacturing and professional and business services lead the set, across 19 industries in total.
What size companies use Aon Hewitt?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are Aon Hewitt users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
13 companies were confirmed in the last 90 days. Last detection 6 September 2026.
