As per your request here I am providing you the list of some of the best coaching institutes which is located in Atlanta from where you can take the GMAT classes. Please check the below list of institutes along with their contact details:

The list includes:

GMAT Prep Classes Morehouse College - GMAT Classes in Atlanta
830 Westview Dr SW
+1 404-351-4955

20/20 Prep - GMAT Prep
57 Forsyth St NW #5e
+1 404-919-2020

Success Prep
929 Charles Allen Dr NE
+1 404-351-4955

Manhattan Review
800 Spring St NW
+1 404-410-4981

The Princeton Review - North Druid Hills
2250 N Druid Hills Rd Suite 130
+1 888-300-7787

Georgia Institute of Technology
Technology-focused research university
North Ave NW
+1 404-894-2000

Kaplan Professional Insurance & Securities School
3565 Piedmont Rd NE #100
+1 800-824-8742

Emory University's Goizueta Business School
1300 Clifton Rd
+1 404-727-6270

Scheller College of Business
800 West Peachtree NW
+1 404-894-2600

GRE Prep
6605 Arbor Gate Dr SW
+1 404-351-4955

The Princeton Review Biltmore/Midtown
817 West Peachtree Street Northwest #115
+1 888-300-7787