Milwaukee's contractor for low voltage cabling, data communications, security and integrated environmental control systems

As Milwaukee's most reliable and qualified low voltage cabling contractor, we take a strategic and consultative approach to your specific needs, budget and vision before crafting an optimal solution.

Our Complete List of Services:

  • Design & Engineering
  • Networking & Cable Installation
  • Structured Cabling
  • Warranty and Maintenance
  • Audio Systems
  • Audio Visual
  • Paging
  • Sound Masking
  • Background Music
  • Security Cameras
  • Door Access
  • Nurse Call
  • Wander Management
  • Security Cameras
  • Blue Emergency Call Boxes
  • Command Centers
  • Distributed Antennae System (DAS)
  • Building Automation Systems

Meet Your Lemberg Data Communications Team

The low voltage work of the Data Communication team is critical to the success of the businesses they serve. Their work touches every aspect of the end user experience. Whatever the system – fire alarm, voice, data, security, card access, CCTV – our team brings a level of experience and care to the customer that is unparalleled in the region.

Ernie Garza
Data Communications Division Manager
A 25-year veteran in the field, Ernie has been the data communications division manager for Lemberg since 2008. Ernie takes a team approach to leadership. He facilitates a collaborative environment for creative problem solving within his team of experienced and talented technicians and project managers. He firmly believes that open, effective communications are the key to successful project completion.

With his leadership skills and a solid background as a technician, Ernie can take a high-level view of each project. He applies specialized knowledge in fiber backbone infrastructure and planning/designing complex data centers to create customized solutions for customers.
Wendy Thorgersen
Project Manager

Wendy has been a part of the Lemberg team since 2013. She has a background in project management for low voltage voice and data as well as security to include CCTV and card access. Prior to joining Lemberg, Wendy worked as a project manager for 14 years in the telecommunications installation industry.

In her role as project manager, Wendy has managed a variety of successful projects. Her emphasis is on relationship management -- with her customers and her team members -- that she draws upon to apply different perspectives to create efficient and creative solutions.

Craig Hoppe
Project Manager

Craig joined Lemberg in 2010, and now manages Data Communications projects for businesses across southeastern Wisconsin. His background includes all aspects of low voltage, data communications and security. Craig brings a unique blend of business acumen, creative problem solving and a deep understanding of technology to his project management role.

With a rich past of BICSI certification, 20 years of experience in the field as a technician and 10 years as a business owner, Craig has the ability to see a project from all sides. He has the perspective to assist his customers in planning for future growth and building cable structures that will support those plans.

Mik Marhal
HVAC-BAS Manager

Mik joined Lemberg in 2007 and has been building a reputation ever since as a leader in the HVAC-BAS industry through innovative and sustainable solutions for his customers. For him, there’s an art to building the right team for each customer. Mik understands that on-the-job collaboration with other trades is critical to the success of any project.

Faced with the challenges of real-world situations, he is motivated to dig deep to create the right solution for his customers. This kind of value engineering is his standard. Mik has a passion for building automation systems.