Looking for a locksmith in Chicago, IL? 24/7 Lightning Locksmith Chicago is the largest and most trusted locksmith company in the city. We are a full-service company servicing residential, commercial, and automotive customers. We offer 24-hour emergency service and have a fully stocked mobile shop. Our technicians are all licensed and insured to ensure your peace of mind. We have been providing quality workmanship for many years. With years of combined experience in the locksmith industry, we have the knowledge and expertise to handle any job! Our team of highly trained technicians will respond to your call quickly and efficiently. We provide our services 24 hours/7 days a week so that you never have to wait long for help when you need it most! No matter if your issue is with vehicle keys or if you need new locks installed on your property, we can help with any situation! We work with almost every type of lock including residential deadbolts, commercial cylinders, padlocks, and more!