Turns out we're already a client (they purchased Register.com a little while back and they're our web registry).
Fly Communications was the agency. They were great to work with. Very open to our ideas and responsive with their own. Terrific agency.
At Asterisk, Doug Compton was the animator with additional animation and assistant work by Christina Capozzi Riley and some additional inbetweening by Liesje Kraai.
Robbie Ledoux and JZ Barrell of Hudson Sound Lab did the music.