Contractor name Most active commercial electricians Nearly 600 electrical permits were filed with Shelby County Construction Code Enforcement during October for new, commercial work. Heres a look at the contractors that applied for the most permits during the month. Contractor name No. of permits Banks Electric 45 Otto Electric Co. 38 ADT Security Services Inc. 35 Ellendale Electric Co. 33 Paul Whitfield Electric Co. 26 Sprint Electric Co. 18 Clark Electric Inc. 17 Byrd Electric LLC 13 Murphree Electric 12 H and H Electric 11 B and R Electrical Contractors 10 Rick Davis Electric 10 Source: Electrical permits filed with Shelby County Construction Code Enforcement between Oct. 1-31, for new, non-residential work, as compiled by the Daily News Online.