Locked out? Need more security? A Discount Lock Co. is a Chicago area locksmith. Our customers know they can turn to us as full-service lock and key specialists. Commercial and residential customers have relied on us for over 35 years. A Discount Lock Co. can supply Door closers, Master key systems, Deadbolt locks, Security locks, Keying, and Desk file cabinets. We are licensed, bonded, and insured, and we sell Medeco high security locks. If you need a Loop locksmith, call A Discount Lock Co. today!