About Us

A family-owned company founded by Brian Cullen, a highly experienced master electrician with over 20 years of expertise in southern Wisconsin, Cullen Enterprises is a trusted name in the electrical industry. As a proud member of the IBEW Local 890 Union, we bring professionalism, quality, and a strong work ethic to every project we undertake.

Cullen Enterprises is a recognized Focus on Energy Trade Ally, demonstrating our commitment to delivering energy-efficient and renewable energy solutions to Wisconsin residents and businesses. We are affiliated with Focus on Energy to provide valuable expertise and products that help our customers save on energy consumption and costs.

With a focus on customer satisfaction, we provide our clients peace of mind throughout the entire process. We understand the importance of transparency and integrity, which is why we are fully-insured and offer free estimates for our services. This ensures that you have a clear understanding of the scope of work and associated costs before we begin any project.

Our exceptional workmanship and attention to detail have earned us a loyal customer base in the Janesville area. Companies such as Prent, Goex, SSM Health/Dean St. Marys, Rock County Historical Society and Dedicated Fleet Services have trusted us with their electrical needs.

At Cullen Enterprises, we are dedicated to providing reliable, efficient, and top-quality electrical solutions for our clients. Trust us to handle your electrical projects with professionalism, expertise, and a commitment to excellence.