TL;DR: Family run business with two brothers who have been doing this for 18+ years. They know what they are doing, and are clearly passionate about their work. These guys are as thorough, competent, and honest as anyone you can find. You really couldn't ask for better mechanics. They are definitely what you're looking for and I cannot recommend them enough. I came to Chicago out-of-state looking for a used Mercedes Sprinter Van. Found Burdi based on Google reviews and asked them if they would do some pre-purchase inspections for me. I brought them a van I was feeling good about, and even though they were clearly busy and stressed, they were friendly, patient and thorough in checking every inch of the vehicle. They really took the time to make sure all of my questions were answered, and slowed down to explain their no-nonsense thinking on every inch of their comprehensive write-up. Even though I was completely ready to seal the deal and commission their service in tightening up the used van (and they knew it!) they pressed forward with additional elective diagnosis of the engine and found subtle information which they used to warn me against buying the vehicle. They were calm and respectful in the face of a flustered, argumentative seller after that, too. That, to me, represents a business with a lot of integrity. They had me in their pocket. Superficially, their incentive was to give me the green light and get the work, the problem with the vehicle (poor compression in one of the cylinders) might not have bared its head until a year or two down the line when it would've compromised the engine. But they didn't hold it back. They gave me uncensored information that helped me make the best decision for me. It's clear to me from the experience that these guys are in business to do every job right and keep loyal customers, not to milk out every sucker who walks in the door. They definitely have my business next time I need a mechanic in Chicago.