Companies that use Let's Encrypt
It is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG).
274
companies
List of companies using Let's Encrypt
curl --request POST \
--url "https://api.theirstack.com/v1/companies/search" \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <api_key>" \
-d "{
\"company_technology_slug_or\": [
\"lets-encrypt\"
]
}"Technology
is any of
Let's Encrypt

Employees85kRevenue$29BFinancial Services
Let's EncryptHigh confidence
Employees16kIT Services and IT Consulting
Let's EncryptHigh confidence
Employees392IT Services and IT Consulting
Let's EncryptHigh confidence
Employees3.3kSoftware Development
Let's EncryptHigh confidence
Employees194IT Services and IT Consulting
Let's EncryptHigh confidence
Employees16IT Services and IT Consulting
Let's EncryptHigh confidenceIT Services and IT Consulting
Let's EncryptHigh confidence
Employees188Software Development
Let's EncryptHigh confidence
Employees23kRevenue$957MIT Services and IT Consulting
Let's EncryptHigh confidence
Employees3.1kDefense and Space Manufacturing
Let's EncryptHigh confidence
We have data on 274 companies and users that use Let's Encrypt. Our Let's Encrypt users and customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Technology Usage Statistics and Market Share
How to target Let's Encrypt users
- How to customize this list?
You can customize this data to your needs by filtering for geography, industry, company size, revenue, technology usage, job postions and more. You can download the data in Excel or CSV format.
- How to be alerted when companies adopt this technology?
You can get alerts for this data. You can get started by selecting the technology you are interested in and then you will receive alerts in your inbox when there are new companies using that technology.
- How to import this data to my CRM?
You can export this data to an Excel file, which can be imported into your CRM. You can also export the data to an API.
Frequently asked questions