Business Details
43 Years
experience
Emergency
services
Trusted Electrical Contractors in Milwaukee, WI
NSI Electrical Contractors has been a trusted provider of electrical solutions in Southeastern Wisconsin since 1983. Our family-owned business combines decades of industry experience with a commitment to innovation and customer satisfaction. We specialize in serving commercial, industrial, and multi-family residential clients, offering comprehensive services from basic wiring repairs to complex industrial installations. Our team of certified master electricians and project managers brings technical expertise and a dedication to safety to every project. With 24/7 emergency service and a focus on continuous training, we ensure reliable solutions tailored to our clients' evolving needs. Our CAD-designed systems and design-build capabilities enable creative problem-solving for even the most challenging electrical projects.Having grown from a local operation to a leader in Wisconsin's electrical contracting industry, we maintain lasting relationships with repeat clients through personalized service and a culture of integrity. Our team includes second-generation electricians and professionals with over 35 years of experience, ensuring unmatched expertise in new construction, maintenance, and upgrades. We serve Milwaukee, Madison, and surrounding areas, supporting industries ranging from hospitality to manufacturing. This combination of technical proficiency, safety excellence, and client-focused service has established NSI as one of Wisconsin's premier electrical contractors.
Services
Electrical Installation
Maintenance Services
Emergency Repairs
New Construction
Remodeling Projects
Lighting Solutions
Industrial Projects
Residential Projects
Commercial Projects
CAD Design
Details
- Year established: 1983
Highlights and features
- We offer 24/7 emergency electrical services with rapid response times
- Our team includes master electricians with 35+ years of industry experience
- We implement CAD-designed systems for innovative industrial solutions
- Our safety training programs maintain a 0.91 workers' compensation modification rate
- Family-owned business with 40+ years serving Southeastern Wisconsin clients
What people say
Amazing job
Extra efforts
Transition success
Happy clients
Dependable service
Services
Electrical Installation
NSI Electrical Contractors provides comprehensive electrical installation services for new construction and renovation projects. Our certified electricians handle complex industrial systems, commercial buildings, and multi-family residential properties with precision and safety. We use advanced CAD design to ensure optimal system integration and compliance with current electrical codes.
Emergency Repairs
Our 24-hour emergency repair service addresses urgent electrical issues across Southeastern Wisconsin. With rapid response times and experienced technicians, we resolve critical problems in commercial, industrial, and residential settings. This service ensures minimal downtime and maintains safety standards for all property types.
Industrial Projects
We specialize in industrial electrical systems including complex installations and maintenance for manufacturing facilities. Our CAD-designed solutions optimize efficiency while meeting stringent safety requirements. The team handles projects from initial design to final implementation with minimal operational disruption.
Commercial Maintenance
Regular maintenance services keep commercial electrical systems operating safely and efficiently. Our technicians perform inspections, upgrades, and repairs for retail spaces, office buildings, and hospitality venues. Preventative maintenance plans help businesses avoid unexpected failures and extend equipment lifespan.
CAD Design
NSI's CAD design services create detailed electrical blueprints for new construction and renovation projects. This technology enables precise planning and visualization before implementation. Our designers work closely with clients to develop customized solutions that meet specific operational requirements and code standards.
People
Andrew Balthazor
President
Master Electrician with 35+ years experience, leading NSI since 2010. Expanded safety programs and professional education initiatives while maintaining family business values.
Jacob Leitzke
Vice President
25+ years in electrical contracting, progressing from apprentice to VP. Specializes in commercial projects and client relationship management while maintaining technical expertise.
Steve Marsicek
CAD Technician
1997 graduate of ITT Technical Institute with expertise in electrical design. Creates computerized visualizations for complex projects while managing estimating and project coordination tasks.
Nick Semenske
Project Manager
Master Electrician since 2008 with field experience on major projects. Transitioned to office role in 2010, combining practical knowledge with project management responsibilities.
Kyle Emrich
Service Manager
Started as apprentice in 2007, became field foreman before advancing to project management. Manages residential and commercial projects while maintaining technical certifications.
Questions
What types of electrical services does NSI offer?
NSI provides installation, maintenance, and emergency repair services for commercial, industrial, and multi-family residential properties across Southeastern Wisconsin.
Do you offer 24/7 emergency electrical services?
Yes, we provide 24-hour emergency electrical services with rapid response times for urgent issues in Milwaukee, Madison, and surrounding areas.
What industries do you serve?
We support commercial businesses, industrial facilities, and residential property managers with electrical solutions tailored to their specific operational needs.
How experienced is your team?
Our team includes master electricians with 35+ years of experience and project managers who have progressed through NSI's ranks since the 1990s.
Can you handle complex electrical projects?
Yes, our CAD-designed systems and design-build capabilities enable us to solve complex electrical challenges for industrial and commercial clients.
How do I request a consultation?
Contact us at 414-761-4660 or through our website to schedule a free consultation with our electrical experts.
