According to our records, this business is located at 401 N Michigan Ave. in Chicago (in Cook County), Illinois 60611, the location GPS coordinates are: 41.8895055 (latitude), -87.6228322 (longitude). Gra Environmental Group is categorized under Research and Development Laboratories (SIC code 8731). Current estimates show that the unit has a sales volume of $1,056,000 and staff of approximately 6 people. You can contact the company by phone at (312) 840-7968.