Tax AirFreight, located in Milwaukee, offers a range of freight transportation services. The company offers import and export air and ocean transportation; domestic air freight surface transportation; and sort and distribution services. The company sorts more than 60,000 cartons a week and also provides hazardous materials transportation. It also offers specialized services through special delivery and exclusive-use vehicles. All of AirFreight's vehicles, tractors, straight trucks and vans are equipped with global positioning units to enable clients to keep track of their shipments. It also uses Trans-Decision software, which calculates the average amount of time it takes for a driver to make a delivery or pick up at each address.