About Us

Cullen Enterprises is a family-owned company founded by Brian Cullen, a master electrician with over 20 years of experience serving southern Wisconsin. We have established ourselves as a trusted name in the electrical industry, known for our unwavering commitment to quality, professionalism, and strong work ethic.

As a proud member of the IBEW Local 890 Union, we bring union-backed expertise to every project, guaranteeing that our work meets the highest industry standards. Our dedication to excellence extends to our partnership with Focus on Energy and Wisconsin Utilities, where we serve as a recognized Trade Ally. This affiliation emphasizes our commitment to providing energy-efficient and renewable energy solutions that help Wisconsin residents and businesses reduce energy consumption and costs.

Customer satisfaction is at the core of everything we do. We believe in transparency, integrity, and making sure our clients have complete peace of mind throughout the entire process. To that end, we are fully insured and offer free estimates, giving you a clear understanding of the scope of work and associated costs before any project begins.

Our extraordinary workmanship and attention to detail have earned us the trust of numerous clients in the Janesville area, including esteemed organizations like Prent, Goex, SSM Health/Dean St. Mary’s, Rock County Historical Society, and Dedicated Fleet Services.

At Cullen Enterprises, we are dedicated to delivering reliable, efficient, and top-quality electrical solutions. Trust us to handle your electrical projects with the utmost professionalism, expertise, and a steadfast commitment to excellence.