Conditional Uses. The following are specifically permitted as conditional uses: tower or antennas, including the placement of additional buildings or other supporting equipment used in connection with said tower or antenna in the Light Industrial (M-1), Heavy Industrial (M-2), and Commercial-General Industrial (C-GI). A tower or antenna, including the placement of additional buildings or other supporting equipment used in connection with said tower or antenna, in the Business (B) District are also permitted as conditional uses.