Business Details
50+ Years
experience
Emergency
services
Your Trusted Electrical Partner in Milwaukee
Dnesco Electric has been delivering exceptional electrical services since 1959, establishing itself as a trusted leader in commercial and industrial electrical solutions. Our expertise spans critical facilities, low-voltage technology, and DC power systems, supported by a management team recognized for excellence. With decades of experience, we prioritize quality installations, timely project completion, and fostering a culture where employees and clients feel valued. Our team of certified professionals, including IBEW Local 494 technicians with OSHA-10 certifications, adheres to BICSI and TIA/EIA standards to ensure precision in every project. We specialize in handling complex industrial electrical needs through a five-year Union Apprenticeship program that equips our electricians with advanced skills.Beyond technical proficiency, we emphasize community engagement, partnering with local organizations to strengthen the Milwaukee area. Our commitment to innovation is evident in our 25-year product warranty and cutting-edge solutions for data centers, electric vehicle charging, and structured cabling. Gregg Schwister, our President since 1996, leads with humility while cultivating a family-oriented workplace that attracts top talent. From backup power systems to PLC programming automation, we provide comprehensive services tailored to diverse client requirements. This combination of technical expertise, community focus, and employee-centric values has sustained our exponential growth and industry reputation for over six decades.
Services
Commercial Electrical Projects
Industrial Electrical Systems
DC Power Solutions
Backup Power Installation
Structured Cabling
Electric Vehicle Charging
Facility Maintenance
PLC Programming
Critical Facility Services
Emergency Electrical Repairs
Details
- Year established: 1959
Highlights and features
- We offer 65+ years of electrical contracting experience in Milwaukee
- Our team includes certified IBEW Local 494 technicians with OSHA-10 training
- We provide 24/7 emergency service for critical power needs
- Specialized expertise in industrial electrical systems and DC power plants
- Committed to community partnerships and local economic growth
Services
Commercial Electrical Projects
We handle complete electrical systems for commercial buildings including new construction and renovations. Our expertise covers office buildings, healthcare facilities, retail spaces, and parking lots. With specialized knowledge in data centers and electric vehicle charging infrastructure, we deliver code-compliant solutions that meet evolving business needs while maintaining strict timelines and quality standards.
Industrial Electrical Systems
Our certified electricians manage complex industrial electrical requirements with precision. We specialize in machine repair, thermography, motor control systems, and automation programming. Through a rigorous five-year apprenticeship program, our team develops expertise in handling Milwaukee's largest industrial facilities while maintaining 24/7 emergency service capabilities for critical operations.
DC Power Solutions
We design and install sophisticated DC power plants for critical facilities requiring uninterrupted power. Our solutions include battery installations, rectifiers, and high-voltage DC bus inverters. With dedicated technicians trained in both AC and DC systems, we ensure seamless integration with existing infrastructure while maintaining compliance with industry safety standards.
Structured Cabling
Our communications division provides future-proof structured cabling solutions for commercial and industrial environments. We install and certify fiber optics, security systems, and voice/data networks using state-of-the-art equipment. Backed by a 25-year product warranty, our BICSI-standard compliant installations support long-term business growth and technological advancements.
Emergency Electrical Repairs
We offer round-the-clock emergency response for critical electrical failures. Our trained technicians provide rapid diagnostics and repairs for industrial facilities, data centers, and commercial buildings. With Milwaukee's largest industrial clients relying on our 24/7 availability, we maintain immediate response capabilities to minimize operational downtime.
People
Gregg Schwister
President
With 25+ years in the electrical trade, Gregg Schwister leads Dnesco Electric with a focus on employee development and client satisfaction. He emphasizes family values in business operations while maintaining technical excellence across all service divisions.
Stacy Schwister
Vice President
Stacy Schwister oversees key operational aspects of Dnesco Electric, leveraging her extensive industry experience to maintain the company's growth trajectory and commitment to quality service delivery in commercial and industrial sectors.
Neal Schroeder
Director of Business Development
Neal Schroeder drives strategic growth initiatives while maintaining client relationships. He focuses on expanding Dnesco's market presence through innovative solutions that align with evolving industry standards and client requirements.
Steve Griffith
Operations Manager
Steve Griffith manages day-to-day operations, ensuring efficient project execution across all service lines. He maintains quality control standards while coordinating technical teams for both routine and emergency electrical projects.
Tom Strobel
Director of Procurement
Tom Strobel oversees equipment acquisition and supply chain management. He ensures timely availability of specialized materials while maintaining cost-effectiveness across Dnesco's diverse electrical contracting operations.
Questions
What types of electrical services does Dnesco Electric offer?
We provide comprehensive electrical services including commercial and industrial wiring, DC power solutions, backup power systems, structured cabling, and 24/7 emergency repairs for Milwaukee businesses.
Do you handle emergency electrical repairs?
Yes, we offer 24/7 emergency service for critical electrical issues in commercial and industrial facilities across Milwaukee and surrounding areas.
What industries do you serve?
We specialize in serving commercial buildings, manufacturing facilities, healthcare institutions, data centers, and industrial operations throughout Southeastern Wisconsin.
Are your electricians certified?
Our team includes IBEW Local 494 technicians with OSHA-10 certifications, ensuring compliance with BICSI and TIA/EIA standards for all electrical projects.
How long has Dnesco Electric been in business?
We've been serving Milwaukee's electrical needs since 1959, providing over six decades of expertise in commercial and industrial electrical contracting.
Do you offer structured cabling solutions?
Yes, our communications division provides structured cabling for data, voice, and security systems with a 25-year product warranty and BICSI-standard compliance.
Reviews (2)
Rachel Rach Gawrysiak Schwister
May 12, 2022
Report
What kind of business allows their employees to drink and drive and use drugs while using company vehicles? Very dangerous and extremely unprofessional.
Mark Naber
Dec 09, 2019
Report
Used Dnesco for many random projects at the office over the years. Always on time and professional. Recommended.
