Castleton Industries is a bulk transportation trailer manufacturer located in Saltcoats, SK. We manufacture grain trailers from 24' - 48', gravel belly dump trailers in three models - cross dump, clam and cross clam. These are all available in super B configurations as well. We also manufacture the full Superior line of logging trailers and jeeps. If you have a custom project give us a call as we are willing to take on custom jobs. more... See more text