Park Tickets have been selling discounted tickets for the Florida attractions for over 10 years now and are a member of the Orlando Villas Ltd Group. They have both US and UK office, the US one being in Celebration and the UK has one in Worcestershire and Shropshire. You can contact Park Tickets on either a US or UK phone number and they pride themselves on their customer service. As authorised Disney ticket sellers you can have confidence that you are using a legitimate company and their Testimonials section has pages of happy customers.
The US office that can be used for collections is found at:
950 Celebration Blvd, Suite H
Celebration, FL 34747