Welcome to Elmer & Son Locksmiths

Featured Services


Elmer & Son Locksmiths has been securing the Chicago Southland and Northwest Indiana communities since 1941. From basic locksmithing including duplicating keys, rekeying locks, installing deadlocks and lock out service, to more advanced things such as master key systems, safe openings, high security keys and access control locks.

With 5 fully equipped service vehicles we can take care of all your residential or commercial needs. All of our employees are registered with the State of Illinois and carry “PERC” cards which require background checks and fingerprinting. This means you can entrust Elmer & Son with all your security needs.

About ESL Contractors Hardware Supply

ESL Contractors Hardware supplies hollow metal doors and frames, commercial wood doors, and hardware for construction companies needing “Division 8” material.


If you are a contractor and in need of a quote, please contact one of our estimators. Whether its 1 door or 200 you’ll find that ESL has competitive pricing and customer service second to none.

  • Elmer & Son Locksmiths is a Licensed / bonded / insured company.
  • We are proud members of the following associations.


  • Lockout
  • Lost or Stolen Keys
  • Rekeying of Door & Ignition Locks
  • Programming of Transponder Keys
  • Keys by Code
  • Broken Keys Removed from Lock

Access Control

  • Stand Alone
  • Multi Door Networked Systems
  • Wireless Entry Systems
  • Audit Trails
  • Magnetic Locks
  • Keypad & Proximity Readers
  • If your company would like to open up a line of credit, download our credit application here:
  • Elmer & Son Locksmiths Since 1941 ESL Contractors Hardware is always looking for qualified people. If you are interested in a position with our company, please download the attached application for employment and fax it back to us.