According to our records, this business is located at 2113 Merced St. in Fresno (in Fresno County), California 93721, the location GPS coordinates are: 36.738044 (latitude), -119.792394 (longitude). Global Drug Testing Service is categorized under Testing Laboratories (SIC code 8071). Known organization manager is Jeremy Moyer. Current estimates show that the unit has a sales volume of $423,000 and staff of approximately 3 people. You can contact the company by phone at (559) 266-8029; the following fax number is also provided: (559) 266-8031.