Commercial Door & Frame Systems

Tri County Lock provides and installs a wide range of quality commercial steel man doors and frames for any and all types of buildings. Specializing in hollow metal door & frame replacement, we can fabricate any custom size door or frame for any opening. All our steel doors & frames come fire rated from 60 min to 3 hr rating, Same goes for our commercial wood doors. We also supply commercial door locks & ADA door hardware that can be installed by any of our professional locksmiths and door installers. We are your one stop shop, let Tri County Lock give you a FREE QUOTE on replacing your commercial doors and hardware today! one of our service professionals will come out to your property to survey your lock and door issues and take all the correct measurements we need to provide you with the best accurate quote. Show us a lower estimate and we will BEAT IT!

Tri County Lock is Aurora IL, St Charles IL and West Chicago land trusted commercial door installers for safety and peace of mind. Looking for a professional locksmith and commercial door specialist? 

YOU'VE COME TO THE RIGHT PLACE ! here is a few of our services offered.




. Commercial Hollow Metal Doors & Frames


. Wood Doors & Fire Rated Doors 


. Custom Fabricated Doors and Frames 


. Complete Door and Frame Replacements


. Single or Double Door Frame Installations


. Full Surface / Piano Hinges


. Pivot Hinges

. Hinge Repair

. Metal Door / Frame Repair


. Door Window Kits Installed


. Mailbox Slots Installed


. Commercial Door Hardware  





Tri County Lock Inc

206 Lilac Ln

North Aurora IL 60542

(By Appointment Only)

Tel: 1630-669-7110

Tri County Lock Inc 

1 N 526 Macqueen Dr

West Chicago IL 60185

Tel: 1331-240-1806

Tri County Lock Inc

707 Colomba Ct #102

St. Charles IL 60174

Tel: 1630-485-9084

Local Service Areas:

Aurora IL Locksmith                         

Naperville IL Locksmith 

Batavia IL Locksmith  

Geneva IL Locksmith 
St Charles IL Locksmith 

Yorkville IL Locksmith  

Sugar Grove IL Locksmith 

Wheaton IL Locksmith 

Locksmith West Chicago IL 

Locksmith Elburn IL

Locksmith Maple Park IL

Locksmith Montgomery IL

Locksmith Elgin IL

Locksmith Bartlett IL

Locksmith Streamwood IL

Locksmith Carol Stream IL

Locksmith Oswego IL 

Locksmith Glen Ellyn IL

Locksmith Glendale Heights IL

Locksmith Warrenville IL 

Locksmith Bloomingdale IL 

Locksmith Hanover Park IL

Locksmith Cortland IL

Locksmith Big Rock IL

Locksmith Winfield IL |

Locksmith North Aurora IL  

Locksmith Oakbrook IL

Locksmith Pingree Grove IL

Locksmith West Dundee IL 

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