Over the past few years, the functions of 3PLS ACHIEVE ECONOMIES OF SCALE have changed a lot. In addition to providing warehousing and transportation services, today’s 3PLs are assuming a lot more responsibility in tactical planning and operations to guide the overall supply chain efficiencies. Because of globalization they’re also shaping up quickly their customers' value chains with services like security consulting and purchase order management. ( April Terreri 2005)…