No, really. While nominally, members can request a list of their fellow members, the DNC stalls and stonewalls and does everything it can to prevent the committee from communicating in any way they can't control. This is incredible, but it's true. Which is why Sifry has published a leaked list of all 448 members:
https://docs.google.com/spreadsheets/d/1bQKIP3W1NWChRjSbsE0O5k5s7OdgXrJi5-CMfFECIBU/edit?gid=0#gid=0
8/