| Answer | Crossword Clue |
|---|---|
| AON | ... Center (Chicago skyscraper) |
| AON | .. Center: L.A. skyscraper |
| AON | Chicago Loop's .. Center |
| LOOP | Center of Chicago |
| LOOP | Chicago business center. |
| LOOPHALL | Downtown Chicago convention center? |
| GARY | Steel center near Chicago. |
| OTORTOISETOWER | Chicago airport control center |
| FERMIINSTITUTE | University of Chicago research center |
| AON | ... Center, second-tallest building in Chicago |
| SISKEL | Eponym of the film center at the School of the Art Institute of Chicago |
