I am not sure where any of these cities are compared to Evansville, but it is a start:

Boudoir Noir
http://www.boudoirnoir.com
512 West Superior Street, Fort Wayne, IN 260-420-0557
Alternate Location: North Fort Wayne
 

Indy Pole Fitness
http://www.indypolefitness.com/
324 W. Main St. Suite 201 Greenwood, IN 46142 317-439-4945
Alternate location: Indianapolis, IN

Pole Up Fitness And Dance Studio
http://www.PoleUpIndy.com
7035 East 96th St. Suite F2 Indianapolis, IN 317-845-4286

Premier Studios
http://www.premierstudiosnwindiana.com
3161 West 84th Place, Merrillville, IN 46410 219-942-1712

Studio Venus
http://www.StudioVenusPoleFitness.com
8101 Polo Club Drive, Merrillville, IN 46410 219-7653

United Dance Arts
http://www.UnitedDanceArts.com
55 Morthland Dr. Valparaiso, IN 46383 219-617-0725