NSI Electrical Contractors

NSI Electrical Contractors services encompasses everything electric, from basic wiring repair to complex industrial installations. Our family-owned company has been in business for over 35 years in the southeast Wisconsin area. NSI designs, manages, and provides electrical solutions for residential multi-family, commercial, and industrial properties.

NSI Electrical Contractors, Inc is a full-service electrical contractor serving Southeastern Wisconsin. Businesses in Milwaukee, Madison, and the surrounding area depend on us for electrical maintenance, new construction, design-build and 24/7 emergency service. Our CAD designed industrial electrical systems have propelled us even further into the industrial space to deliver creative solutions to complex problems. With over three decades of electrical project management experience, we are committed to deliver customer-centric solutions to new and established Wisconsin businesses.

NSI Electrical Contractors performs electrical installations and maintenance for a variety of restaurants, big-box retail stores, apartment buildings, hotels, and retirement facilities. We install outlets, lighting, and wiring systems that meet the specific needs of large and small businesses. Our commercial wiring projects place an emphasis on safety and efficiency. See more information about why we are one the premier commercial and residential electrical contractors in Milwaukee and Madison.