Companies that use Postmark
Postmark removes the headaches of delivering and parsing email for webapps with minimal setup time and zero maintenance.
810
companies
List of companies using Postmark
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\": [
\"postmark\"
]
}"Technology
is any of
Postmark

Employees1.5kGovernment Administration
PostmarkHigh confidence
Employees13kGovernment Administration
PostmarkHigh confidence
Employees10kHospitals and Health Care
PostmarkHigh confidence
Employees3.9kGovernment Administration
PostmarkHigh confidenceEmployees65Hospitals and Health Care
PostmarkHigh confidence
Employees2.4kGovernment Administration
PostmarkHigh confidenceEmployees4.8kIndividual and Family Services
PostmarkHigh confidence
Employees949Government Administration
PostmarkHigh confidence
Employees2.2kGovernment Administration
PostmarkHigh confidence
Employees962Public Safety
PostmarkHigh confidence
We have data on 810 companies and users that use Postmark. Our Postmark 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 Postmark 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