4.8 
319 
Serving Highland Park, IL and surrounding areas
Approved
Super Service Award Winner
Emergency services offered
Warranties offered
Small jobs welcome
"Great! Ezra fixed another locksmith’s terrible work. He’s precise, friendly, efficient, and best of all … knowledgeable."
+26
Serving Highland Park, IL and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"First of all Overall builders was one of the best companys I have ever hired to do work at my home. Robert is one of the best there is out there. Not only did he do everything we wished for in our kitchen, he also completed the job earlier then expected. He will be back as soon as my wife gets her vision for the bathroom. I would give an A+ if I could thanks again Robert your company is truly one of the best!!!!"
+47
Serving Highland Park, IL and surrounding areas
Approved
In business since 2008
Warranties offered
Small jobs welcome
"They got my sliding door and lock to work after a previous locksmith told me the door would have to come off and that the lock needed replacement. It was a matter of a few adjustments, so I think their understanding of locks and sliding doors together really helps."
+28
Serving Highland Park, IL and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
"I had a great experience with this company, specifically thanks to their technician, Diego. He was highly professional, efficient, and fixed my door hinge in less than an hour. What really impressed me was his expertise; he went above and beyond by giving me some incredibly helpful recommendations on how to properly restore the vintage lock and handle on my 70-year-old door. Fantastic service all around. Highly recommended!"
+19
Serving Highland Park, IL and surrounding areas
Approved (Corporate)
In business since 2010
Free estimates
Credit card accepted
""Great experience from start to finish. Quick response time, courteous technician, and affordable rates. I'll definitely use this locksmith again for any future needs.""
Serving Highland Park, IL and surrounding areas
Approved (Corporate)
In business since 2010
Free estimates
Emergency services offered
"I called Alarm Protection Group AFTER my office was burglarized. Now I feel SAFE. William is great to work with. He's neat and tidy, prompt, presentable - not a butt-crack type of guy, and he doesn't leave a mess in his wake. He's also knowledgeable about the equipment and only uses high-quality products."
+1
Serving Highland Park, IL and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1874
Free estimates
Emergency services offered
"Walter and Glen at Protect Your Home Group with ADT are the best people to talk to in terms of security alarm. Being a locksmith myself I know how important it is to deal with the right people. I referred a lot of customers to them and so far they are happy with their service. I myself got one for my house. Thank you for a consistent service and great deal."
+35
Serving Highland Park, IL and surrounding areas
Approved
In business since 2009
Emergency services offered
Warranties offered
"Door is installed. Russ did a wonderful job … over and above my expectations ‼️Will use him again ."
Serving Highland Park, IL and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Myles & his guys were great to work with. Will definitely hire them again."
Serving Highland Park, IL and surrounding areas
Approved
In business since 2009
Credit card accepted
Offers commercial services
Parker Service Group, LLC brings nearly three decades of industry experience, delivering dependable commercial services and select residential solutions with a commitment to quality, professionalism, and customer satisfaction. Known for extensive knowledge, expert craftsmanship, and attention to detail, Parker Service Group has built a strong reputation among customers who value reliable service and lasting results. Every project is approached with integrity, clear communication, and a dedication to exceeding expectations. Whether serving businesses or homeowners, the team takes pride in providing efficient solutions tailored to each client's unique needs. Contact Parker Service Group, LLC today for trusted service backed by years of proven expertise. \n \nCall today at (847) 809-2824
From average costs to expert advice, get all the answers you need to get your job done.
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