There are a number of companies out there, you could check any motorcycle add at e-bay there is some advertising by movers an almost everyone.
Moving companies will sometime have extra room and give you a good price.
A forum community dedicated to Suzuki Burgman motorcycle owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all 200, 400, and 650 models!