Sonora Quest Laboratories - Gilbert - 2940 E. Banner Gateway Share: Medical LaboratoriesBioscienceDrug Testing Facilities Sonora Quest Laboratories - Gilbert - 2940 E. Banner Gateway Visit Website 2940 E Banner Gateway Dr., Ste. 325 Gilbert, AZ 85234 (480) 543-2460 (480) 543-5900 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.