1. D & I Electronics, Inc.

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Plainfield, IL

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D & I Electronics, Inc.

3.5 (8 reviews)

Services - D & I Electronics, Inc.

Security system installation

Security system repair

Security monitoring services

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1 year ago

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10 years ago

Small company - any installation work we have completed by them is done quickly and efficiently. Prices are great!

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Umbrella Security Systems

Umbrella Security Systems

(2 reviews)

Having quality security was a major priority when we established our new Headquarters in Evanston…read moreIllinois- as our team serves more the 1,600 youth and reaches more than 4,000 family members each year through afterschool and summer learning programs, clinical counseling, street outreach, and parent engagement programs. We required a system that was easy-to-use but delivered quality surveillance footage. The system was designed with panoramic or 360-degree cameras which reduced the total amount of cameras needed to cover key areas and allowed for the beauty of our facility to shine in which we were awarded Excellence in Design for New Construction at the 2017 Design Evanston Awards. Having Umbrella Technologies on the construction and planning team was of great value to our organization and after the system was turned over to our administrative team they were responsive and continued to answer all of our questions. We have on-going training planned with them & are very thankful for the video surveillance system they designed which serves to keep our staff, children and families focused on what matters. Kelli-Ann Alcott Operations Manager Youth & Opportunity United (Y.O.U.) Evanston, IL

I've been working with Umbrella Technologies for nearly 2 years. Whenever I need something I email…read moreor call the COO and Founder Thomas Carnevale. He has always taken the time to help us with whatever we needed. On multiple occasions he took the time to do online demonstrations on their products and answer any questions that we may have had. They also provide advice on camera placement and what materials will be needed to make them operational. Thomas also does not try to up-sell or try to sell you things you don't need. He is honest with his evaluations and his quotes. Umbrella Technologies and Thomas have earned our business for all future camera purchases and I'd recommend them to other colleges or universities for Campus Security Services. Andrew Davis- Director of Campus Safety Monmouth College

A Windy City Lock & Safe - Help, we lost the keys to our Jewelry Safe that Noone else seems to be able to help!

A Windy City Lock & Safe

(15 reviews)

My task in progress because my application is more complicated than normal. I needed an automotive…read moreremote key card. I shopped around but the most value was ordering it online from an automotive remote site. I interacted with Adam and he was able to show up on the early weekend morning. His text are professional and clear, & he included pictures. Mazda even as far back as 2005 (car was delayed as released as an 2006) used a key card. There is a chip in the card and one in the valet key. Mazda blank metal doesn't have all the slots cut into the blank either. Getting the car to go into reprogram mode didn't work because the console said I need two "keys." However there is a chip in both the medal key and card. So one transmitter set will work, or should have. He drove an hour back and forth to get the other generic key and had to modify it with a Dremel rotary tool so that the key would have tolerance to get through the tabs on the ignition. That didn't work and he is coming back next week to try again with just another chipped key. Didn't charge a trip fee for making a round trip, nor for the generic key that didn't work. I will spread the word within the MazdaSpeed group so they can get help if the elect to get the Mazda key card instead of generic. At least have one original card and one generic real key. At this point I elected to tow it to Mazda DG for them to try with my key. Because if I buy theirs, its considered an "installed electronic part," and they won't accept returns. Too risky for $400. If they can do it I just pay for 1/2 hour of programming. Worst case I have to buy their key, mine is also OEM (not eBay/Amazon). His company slogan should be either 'The Locksmith from Lockport,' or 'The Lockport Locksmith.'

If you need anything with keys or locks to be fixed, look no further! After having gone to TWO…read moredifferent ace hardwares to make copies of a house key (unsuccessfully!! They didn't work and I spent HOURS driving back and forth to have them try again, and ultimately to return them), Mark made copies of the key quickly and they worked! and when we needed some springs in our lock fixed, Mark was responsive! He told me he would arrive in about an hour, and about ten minutes out gave me a courtesy call to let me know he was close by. He not only fixed the lock, he also tightened up the screws and the screen door (that would slam shut previously). Mark was courteous, kind, professional and knowledgeable throughout the whole experience. Definitely going with Mark again anytime we have any key/lock needs! Thank you!

Chicago Locksmiths - Chicago Locksmiths

Chicago Locksmiths

(863 reviews)

Logan Square

I called to request a locksmith to unlock my friend's apartment because my luggage was inside, and…read moreI had a train to catch in about two hours. None of his roommates were home, awake, or answering their phones, so I was starting to panic a little. From the start, the staff were incredibly patient and kind. They gave me a reasonable quote right away and said they could have a technician there within an hour. The technician called me as soon as he was on his way, and his ETA was only 15 minutes! In the meantime, we found out that one of the roommates could come let us in. I called back to cancel, fully expecting to still pay a $89 service fee since the technician was already on his way and almost there. To my surprise, they told me not to worry about it and canceled everything at no charge! The entire experience was so easy, and every interaction was quick, friendly, and professional. Even though I ended up not needing their services, I was genuinely impressed by their kindness and customer service. Truly night and day compared to other locksmiths I've dealt with in the past. I would absolutely recommend them and will definitely be calling them again if I ever need a locksmith!

I was in desperate need of a new keyfob and I sent out quotes to multiple companies via yelp -…read moreChicago Locksmiths was the first to call and they quickly set up a same day appointment within 1.5 hrs. Robert was in touch with me and quickly/efficiently set me up with a new keyfob. He was extremely nice, professional and knowledgeable. The whole ordeal couldn't have went smoother and he came to my apartment. He also went over specifics with the key fob, how to replace battery and other smaller details. Great experience and would do business again!

D & I Electronics, Inc. - securitysystems - Updated November 2026

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