About Us at On Site Mechanical

Our History

Founded in 2004, On Site Mechanical has been a trusted name in heavy-duty truck repair and maintenance in Chicago, IL, for nearly two decades. As a family-owned business, we pride ourselves on delivering top-notch service and building strong relationships with our customers. With a focus on reliability and quality, we’ve become a go-to resource for heavy-duty truck and fleet services.

Our Mission

At On Site Mechanical, our mission is simple: to keep your trucks and fleets on the road. We specialize in mobile fleet maintenance, emergency breakdown services, and liftgate repairs. With mobile services accounting for 70% of our business, we come to you to save time and ensure convenience for fleet managers and truck drivers.

Meet the Team

Under the leadership of Ashley McGinley, our owner, and Ed Mazan, our general manager, On Site Mechanical combines technical expertise with a commitment to customer care. Our team is dedicated to diagnosing and resolving issues quickly, ensuring your vehicles get back on the road with minimal disruption. Whether it’s preventive maintenance or 24/7 roadside assistance, you can always trust us to deliver reliable results.

Call us today at 708-670-5566 to learn more about our services or to schedule your next repair. Let us show you why On Site Mechanical has been a trusted partner for heavy-duty truck drivers and fleet managers since 2004.