24/7 Lightning Locksmith Chicago is the best locksmith in Chicago IL. We’re available 24 hours a day, 7 days a week, 365 days a year. When you call us, our friendly customer service representatives can answer all your questions and help you get in touch with the best locksmith. Our team of professional locksmiths has experience working with all brands of security systems and can easily provide the solution for any problem or issue that arises. We have been serving this city for many years now and have gained quite a reputation for ourselves among our customers who trust us with their home security needs. Our technicians are well-trained professionals who are capable of handling any type of emergency that comes up while they are working on any type of project around their homes or businesses. We have become a popular choice among residents in the area because of our prompt response time and quality workmanship.