Bedbugs are on the rise again in the U.S., which means business is booming for pest control companies like Orkin.

With increased travel, both internationally and domestically, and higher bedbug resistance to existing pesticides, Orkin has seen an almost 33 percent boost in bedbug business compared to 2011.

The company has just released its rankings of U.S. cities in order of the number of bedbug treatments from January to December 2012. The “Windy City” of Chicago tops the list, followed by Detroit, Los Angeles, Denver and Cincinnati...

Read more at ABC