Shamrock Trading Corporation is the parent company for a family of brands in transportation services, finance and technology. Our brands include Ryan Transportation, RTS Financial, RTS International, RTS Carrier Services and ProTransport. Headquartered in Overland Park, KS with 10 offices across the U.S., Shamrock has been regularly named “Best Places to Work” by the Kansas City Business Journal and Crain's Chicago Business. Shamrock has also been recognized as one of Newsweek's top 100 "Most Loved Workplaces" in America.