According to our records, this business is located at 136 E Market St. in Indianapolis (in Marion County), Indiana 46204, the location GPS coordinates are: 39.768721 (latitude), -86.155171 (longitude). Gsa Investment Co Inc is categorized under Securities (SIC code 6211). Current estimates show that the unit has a sales volume of $2,412,000 and staff of approximately 6 people. You can contact the company by phone at (317) 916-2800.