interestingly there is very little info about this on DR1. I searched the archives and didn't come up with anything.. I called the highly recommended montero shipping and they only ship from NYC to the DR and not the other way.
if someone has experience in this area please post so this question gets archived for others too!
why dont you investigate shipping to PR and then to the US? Boat shipping to PR on the ferry to Mayaguez may be possible then you can mail it to yourself from PR by the USPS if its the last resort.
AB: La Rosa Del Monte- 809-685-6256 in Santo Domingo.
They moved me years ago from Santiago to Miami and it was a great experience. They came with a big truck for pick up , pack everything and unloaded in Miami without breaking or scratching anything.
They also can ship your car back to the States.
Good Luck.
Lucille