Yahoo Mail
41,693 sites detectedWebmail · #8 of 13Updated October 2026
Companies using Yahoo Mail
| # | Company | Industry | Location | First seen | Evidence |
|---|---|---|---|---|---|
| 1 | E-commerce & Retail | Cary, US | May 2026 | MX record | |
| 2 | E-commerce & Retail | – | Sept 2026 | MX record | |
| 3 | Cybersecurity | – | Apr 2026 | MX record | |
| 4 | Healthcare & Life Sciences | – | Sept 2026 | MX record | |
| 5 | Hospitality & Travel | Laguna Niguel, US | Sept 2026 | MX record | |
| 6 | Education & Learning | – | Sept 2026 | MX record | |
| 7 | E-commerce & Retail | – | Sept 2026 | MX record | |
| 8 | Professional Services | Oklahoma City, US | Sept 2026 | MX record | |
| 9 | Healthcare & Life Sciences | Barneveld, US | Sept 2026 | MX record | |
| 10 | Professional Services | – | Sept 2026 | MX record |
See all 41,693 sites detected using Yahoo Mail
Showing 10 of 41,693 sites detected. The customer list has every company, the new customers this month, filters and downloads.
Who uses Yahoo Mail
New customers per week
Companies we saw start using it, from 21 September 2026.
By sector
39% of 145 sampled customers have a known sector.
By country
Country is known for 10% of 145 sampled customers.
Also used by these customers
Share of sampled Yahoo Mail customers running each tool.
Webmail: share by companies
Yahoo Mail is #8 of 13, with 0% of companies running a tool in this category.
How we found them
Share of sampled customers by where the evidence was.
Every company in the list shows which kind of evidence we found and when. Data quality
Every company using Yahoo Mail
The customer list shows who they are, the evidence for each one and who started this month.