Bed bugs are a pesky problemacross the nation. Pest control professionals are reporting the number of cases for bed bugs was up more than 30 percent in 2012 compared to the previous year, according to Orkin. The team at Orkin did more bed bug treatments in Chicago than any other city last year.

Here are the top 10 cities where Orkin responded to bed bugs last year.

1. Chicago
2. Detroit
3.Los Angeles
4. Denver
5. Cincinnati
6. Columbus, Ohio
7. Washington, D.C.
8. Cleveland/Akron/Canton, Ohio
9. Dallas/Fort Worth, Texas
10.New York City

To see numbers 11-50 on Orkin's list, check out their most recent press release.

Lindsay Machak is an Assistant Editor for Multifamily Executive. Connect with her on Twitter @LMachak.