A1 Oil Tank Removal services are experienced to remove underground oil tanks. Your property will be treated with respect and your oil tank decommissioned promptly. We with oil tank removal in Indianapolis, IN offer free estimates for all of our services, so contact us today for more information regarding this exciting improvement opportunity! If your underground oil tank has been abandoned and is no longer used, it needs to be decommissioned. Many companies claim to remove the tank but very few of them can guarantee the removal will comply with all regulations.