List of companies from research coverage that are profiled in the study
- Validity (United States)
- SendGrid (United States)
- SparkPost (United States)
- Litmus Software Inc. (United States)
- SocketLabs (United States)
- Twilio SendGrid Marketing Campaigns (United States)
- MailerLite (United States)
- MailUp (Italy)
- SendForensics (Singapore)
- 250ok (United States)
Additional players considered in the study are as follows:
Mailchimp (United States)
,
GlockApps (United States)
,
Constant Contact (United States)
,
Interseller (United States)
,
Sendinblue (France)
,
Inboxable (Canada)