- DocuSign Inc.
- Adobe Inc.
- ZorroSign Inc.
- Nintex Group Pty Ltd.
- Namirial S.P.A
- HelloSign Inc. (DropBox)
- OneSpan Inc.
- eOriginal Inc.
- Kofax Inc.
- ThinkSmart LLC (Mitratech)
- AssureSign LLC
- Topaz Systems Inc.