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Our Qualified Data Communication and Cabling Contractors Are Here for You

As Milwaukee's most reliable and qualified low voltage cabling contractor, we take a strategic and consultative approach to your specific structured cabling, security, safety and communication needs. We'll work within your budget and vision to create an optimal solution. As employee-owners, we bring quality and craftsmanship to every project.

Low voltage systems for the future of your business.

Situated within a comprehensive suite of commercial services, our experts will ensure your low voltage network is seamlessly integrated from design to installation. Our experienced technicians and system designers are here to make sure your system is reliable and future-proof.

Complete List of Our Data Communication Services:

Security and Life Safety
  • Security Cameras
  • Door Access
  • Emergency Call Boxes
  • Nurse Call
  • Wander Management
  • Background Music/Sound-Masking
  • Fire Alarm
Data Communications
  • WIFI
  • Distributed Antennae Systems
  • Paging
  • Audio Systems
  • Video Systems
Cabling and Controls

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 – communications, 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 Department Manager

A 30-year veteran of the industry, Ernie has been the data communications department manager for Lemberg since 2008. With a team approach to leadership, he facilitates a collaborative environment for creative problem solving within his team of experienced 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 Data Communications team since 2013. Prior to joining Lemberg, she worked as a project manager for 14 years in the telecommunications installation industry. Wendy has a background in project management for low voltage projects including voice and data, security, CCTV, card access, security cameras, A/V systems, nurse call – Cornell and Vigil, mass notification, cell phone signal boosters, paging and intercom. 

In her role as project manager, Wendy emphasizes relationship management -- with her customers and her team members -- and draws from those 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  with scalable solutions that meet the needs of his customers today and into the future. 

Mike Hill
Project Manager

As an experienced technical project manager, Mike is proficient at developing solutions and solving problems quickly. Known for creating a collaborative environment, he reaches project goals and deadlines by demonstrating efficient methods and promoting a teamwork mentality.

He has a passion for serving his customers, building trusting and enduring relationships with clients through attentive care and quality results.

Paying meticulous attention to the details, he understands the critical role a technical lead plays in helping a company to achieve business objectives. 

Group 1172

"Perhaps the best compliment I could give is to say that it would be great if I could have a team, like the one at Lemberg, that I could depend on all across the country.  I know I can always count on you and your team to deliver the best each and every time."


Lawson Electric Company, Inc.

"Direct Supply uses only the most qualified contractors. Lemberg fits that requirement without question."

G. Watt

Direct Supply

"The team is absolutely fabulous! They are super knowledgeable and helpful throughout this process and just wonderful to work with!"

M. Johnson

Software One

"Overall, really nice job for Siena Catholic Schools at St. Sebastian STEM Academy."

K. Kayser

Siena Catholic Schools of Racine

Contact Us

Contact us today at (262) 781-1500 or complete an information request form online to learn more about a customized solution for your long or short term needs.