The new partners include content delivery company Highwinds, playback technology provider Move Networks, and thePlatform, a Comcast-owned video-publishing and distribution service.
BlackArrow recently gained a new level of respectability with the naming of Larry Kramer, MarketWatch founder and former CBS Interactive head, as chairman of its board of directors.
The San Mateo, Calif.-based company also recently announced the addition of Tracy Martin, former Yahoo and Knight Ridder Digital executive, as chief financial officer.
--Gavin O'Malley