Illinois’s MSP market occupies a distinctive position shaped by four powerful economic forces: financial services (Chicago is home to CME Group, the world’s largest futures exchange, and processes trillions in daily trading volume), pharmaceutical manufacturing (the Lake County corridor is North America’s largest pharma cluster with AbbVie, Abbott, and Baxter), logistics and transportation (the only state where all six Class I railroads converge), and advanced manufacturing (Caterpillar, John Deere, and a $137 billion manufacturing sector). With 1,212+ MSP companies and a market valued at over $4.8 billion, Illinois ranks as the fifth-largest MSP market in the nation.