Welcome to A Discount Lock Co

We have been providing reliable & reputable residential & commercial Locksmith services since 1979

Commercial High Security Services

  • Master key systems
  • Panic bar installation
  • Mortise locks serviced / installed
  • Keyless door locks
  • High security and restricted key systems
  • Other business locksmith demands

Serving Cook, Lake & McHenry Counties

(312) 226-7091

Locksmithing services

Our Locksmiths are equipped with the latest technology and are available 24/7 at your request.

  • Master key systems
  • High security cylinders
  • Changing and rekeying locks
  • Keyless entry systems
  • Fast lock out service
  • Installation and repair of locks
  • Window locks
  • Deadlocks & Padlocks

Making Your Life Safer

We provide customized security solutions to help
protect your people and property.
learn more
Locks Installed
Premises Secured
Satisfied Customers

The job was done perfectly. I really appreciate how you installed my door locks!

Amy Schultz

Home Design

We ended up with the best security system in the area thanks to these guys.

Paul Jameson

Medical Group

Liked the way you guys treat your customers, the prices are pretty great too!

Mary Vinero


Thanks for the quick and professional service! I was happy to know about safety.

Romeo Sanchez

Hotels Group

Delivering the Best Security Solutions to Homeowners & Commmerical Clients

Notable Chicagoland Clients That Trust A Discount Lock