TSI is a premium service longhaul truckload carrier specializing in NAFTA frieght. Primary service areas include Ontario CAN, the Midwest U.S.A., and Mexico. Fleet consists of 600 tractors and 2000 trailers (which cross into Mexico via interchange agreements with all major Mexican carriers). TSI also provides USA/MEX Cross Border Transfer Services which allows for a true "door to door" transportation solution. Corporate office and terminal in Detroit MI; Terminals in Nashville TN; Greenville SC; Laredo, Harlingen, El Paso, Eagle Pass, Dallas TX; Sales and Support offices in Monterrey, Mexico City, Queretaro, Mexico.