ELK GROVE VILLAGE, ILL. — Prologis and Skybox Datacenters have completed a 189,000-square-foot data center at 800 E. Devon Ave. in Elk Grove Village, a suburb of Chicago. Named Skybox Chicago I, the speculative facility sits on a 10-acre site. The project can accommodate a single tenant or several users. Leasing efforts are underway. The project was the conversion of a vacant distribution center.