I will help you here to get the names of the advertising agencies situated in Cincinnati so that you have idea about them.

Here I have some names of advertising agencies situated near to Cincinnati

Northlich
720 E Pete Rose Way, Cincinnati, OH 45202, United States

Curiosity Advertising
35 E 7th St, Cincinnati, OH 45202, United States

Sunrise Advertising
700 Walnut St #500, Cincinnati, OH 45202, United States

Eric Mower + Associates
830 Main St, Cincinnati, OH 45202, United States

Creative Department
1132 Main St, Cincinnati, OH 45202, United States

Powers Agency
5th Floor, 1 W 4th St, Cincinnati, OH 45202, United States

Empower MediaMarketing
1111 St Gregory St, Cincinnati, OH 45202, United States

Barefoot Proximity
700 W Pete Rose Way # 73, Cincinnati, OH 45203, United States

POSSIBLE
302 W 3rd St #900, Cincinnati, OH 45202, United States

Rockfish
659 Van Meter St #520, Cincinnati, OH 45202 United States

Apart from Cincinnati I have some more names

Cement Marketing
15 E Gay St #2a, Columbus, OH 43215, United States

Rosenberg Advertising
12613 Detroit Ave, Lakewood, OH 44107, United States

Brokaw
1213 W 6th St, Cleveland, OH 44113, United States

Marcus Thomas LLC
Richmond Rd, Cleveland, OH 44128, United States

HGA Advertising
300 Marconi Blvd #305, Columbus, OH 43215, United States

Conrad Phillips & Vutech Inc
1398 Goodale Blvd, Columbus, OH 43212, United States

Wyse
668 Euclid Ave # 100, Cleveland, OH 44114, United States

Ologie
447 E Main St, Columbus, OH 43215, United States

RMD Advertising
6116 Cleveland Ave, Columbus, OH 43231, United States

Burkholder Flint
10 E Weber Rd #201, Columbus, OH 43202, United States