Looking for a locksmith in Chicago IL? Need help with security issues? 24/7 Lightning Locksmith Chicago is here to help. We provide professional and reliable locksmith service 24 hours a day, 7 days a week. We can make your home safe by installing deadbolts on all your doors, replacing any broken locks, and repairing lock problems you might have. We also offer emergency lockout services, so you don’t have to worry when you lose your keys. If you own an apartment building or small business in Chicago, we can provide you with the right solutions for your needs. Our commercial locksmiths can install high-security locks, install keyless access systems and repair broken locks quickly. We also offer electronic access control system installation services that can help improve the security of your building or office space. Moreover, If you need to replace lost car keys or unlock your car door because it won’t open, our automotive locksmiths are available 24 hours a day to help!