24hr Emergency Service

24h

Emergency Service

414-761-4660

Celebrating 35 years in business

Milwaukee Commercial Electricians & Contractors

NSI Electrical Serves Residential, Commercial & Industrial Clients

Data-Com Services for Southeast Wisconsin

NSI Electrical Contractors services encompasses everything electric, from basic wiring repair to data-com network installation. 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, commercial, and industrial properties.

Our Services Include:

24-Hour Emergency Service

Maintenance & Upgrades

Construction & Remodeling

Relamping & Lighting

PLC & MCC Programming

Intercom & Alarm System Installation

UPS Installation

Electrical Fix & Repair

Contact our licensed NSI electricians today for services at your Milwaukee area home or business.
Join the Team

Join Our Growing Team

Want to join the NSI team? NSI was founded on principles of customer service, integrity, and hard work. We continue to instill them into each and every one of our employees.

Join Our Growing Team

Want to join the NSI team? NSI was founded on principles of customer service, integrity, and hard work. We continue to instill them into each and every one of our employees.