Felix Lock Service | Door & Gate Operating Devices

Feb 13, 2026 4:36 PM

4637 North Clark Street
Chicago, IL (Illinois) 60640-4619
(773) 561-7****

Business Details

99 years Since 1916 David Hartung (Owner)

Serving the Areas:	Serving Chicago
Products:	American, Locks, Keys, Hardwre, Door Closers, Closers, Operators
Services:	Locks, Keys, Door Closers, American, Door Closures, Master Systems
Brands:	Schlage, Kwikset, Yale, Norton, Segal, Ilco, Arrow, Master, Keys
Certifications:	Master
General Content:	Since 1916
Sales Volume:	1M - 2M
Employee Size Range:	1 (appx)

Additional Categories

Felix Lock Service is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Door & Gate Operating Devices
Door Closers & Checks
Locks & Locksmiths

North American Industry Classification System (NAICS) Categories:

Hardware Stores > Locksmiths Equipment & Supplies Retail > Locks
Other Building Material Dealers > Garage, Door & Window Products > Door & Gate Operating Devices
Other Building Material Dealers > Garage, Door & Window Products > Door Closers & Checks
Locksmiths

Standard Industry Classification (SIC) Categories:

Lumber & Other Building Materials > Garage, Door & Window Products > Door & Gate Operating Devices
Lumber & Other Building Materials > Garage, Door & Window Products > Door Closers & Checks
Hardware Stores > Locksmiths Equipment & Supplies Retail > Locks
Repair Shops And Related Services, Nec > Locksmiths

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