It's the latest investment in what continues to be one of the hottest sectors of Chicago's startup economy. : Logistics software companies continue to be one of the hottest sectors of Chicago's startup economy.Project44 raised another $35 million, led by Boston-based investor OpenView. The deal comes just a couple of months after Four Kites, another Chicago-based logistics software company, raised $35 million. Last summer, ShipBob, a supply-chain services and technology company for small businesses, raised $17.5 million.