Telestream - Telestream offers video capture, encoding, transcoding, and network-based delivery.
Audext - Use online audio to text converter to transcribe any voice recording in minutes.
Zencoder - Audio and video encoding/transcoding software as a service.
Sonix - Automatically convert audio & video to text in minutes
Coconut - Coconut is a cloud video encoding solution, built for developers.
HappyScribe - Happy Scribe automatically transcribes your interviews