For more than 60 years, Superior Carriers Inc. has been a bulk logistics company. Based in North Charleston, S.C., the company renders multi-modal transportation management system (TMS) technology solutions, onsite logistics management and bulk transloading operations. It also transports a range of liquid and dry bulk products. Superior Carriers Inc. provides bulk transportation services from 35 terminal locations across the United States, Mexico and Canada. The company supplies deep-drop tanks for viscous liquids as well as light-weight tanks for maximum payloads.