Marks All Mechanical Inc, we are conveniently located in Baltimore, MD. We provide a complete line of car care services to keep your vehicle running at peak performance. We also provide oil, filter, and gas treatment at factory recommended intervals. All repairs carry a 2 year/ 24,000 mile warranty (whichever comes first) with an option Marks All Mechanical Inc, we are conveniently located in Baltimore, MD. We provide a complete line of car care services to keep your vehicle running at peak performance. We also provide oil, filter, and gas treatment at factory recommended intervals. All repairs carry a 2 year/ 24,000 mile warranty (whichever comes first) with an option to upgrade to 3 year/ 36,000 miles for 15% of the total repair bill! We have the expertise and certifications to service all makes and models of hybrids. ...more