about us

Tek-CAD, LLC is an Information Technology company that is aimed at servicing the Small/Medium Office market in South Jersey and Philadelphia with affordable and professional computer, networking and consulting services.

Quality work and production is contingent upon having reliable and functional computer equipment and technology. Here at Tek-CAD that is one of our specialties. We put our customers in possession of excellent technologies and equipment at reasonable prices. Our long-term and repeat customers speak for the consistent quality of our services and our competitive rates. Let us show you how we can resolve network performance and security issues and improve your network productivity, at an extremely cost-effective price.

The world of technology is constantly changing. It is our job as your 'trusted technology advisors' to inform you of the state of technology to help keep you competitive in today's market place.

Ronald J Oppermann Jr.


Mr. Oppermann founded Tek-CAD in 2000 to service the small to medium sized business market in Southern Jersey. Over the last 17 years using his engineering experience as well as his technology knowledge, the company has grown and expanded it's service offerings. With his leadership and project management experience the company has expanded into servicing municipalities and commerical businesses within the South Jersey/Philadelphia region.

Jeremy Lehrer

IT Support Technician

Jeremy started with Tek-CAD after an internship in 2018. He is a recent graduate of the Lincoln Technical Institute, graduating in June 2018 after a lot of hard work. Jeremy is working on completing his A+ and N+ certifications. Jeremy has been a nice addition to Tek-CAD being able to handle a variety of IT related tasks straight out of school.

Ryan Sullender

Senior IT Support Technician

Ryan started with Tek-CAD straight out of the Anthem Institute back in 2011. Being a Microsoft Certified Professional as well as having A+ and N+ certifications he was a nice addition to the company. Over the past 6+ years Ryan has completed his Associates in Computer Science and has taken a lead role at Tek-CAD supporting our clients one computer problem at a time!