Business Details
50+ Years
experience
Emergency
services
Trusted Electrical Solutions Since 1959
Dnesco Electric has been delivering quality electrical services since 1959, specializing in commercial and industrial projects, low voltage technology, and DC power solutions for critical facilities. Our management team combines decades of expertise with a commitment to exceptional service, fostering a workplace culture where employees and clients feel valued. With a focus on growth and community involvement, we partner with local organizations to support regional development. Our president, Gregg Schwister, leads with humility and prioritizes team cohesion, ensuring our skilled professionals maintain industry-leading standards.We serve diverse sectors including healthcare, manufacturing, education, and data centers, offering design/build services and 24/7 emergency support. Our technicians adhere to OSHA-10 certification and BICSI standards, providing structured cabling, fiber optics, and security systems with a 25-year warranty. Through state-certified apprenticeships, we train electricians to handle complex industrial projects while maintaining a collaborative approach that integrates AC/DC specialties. Our reputation for reliability and high-quality installations has made us a trusted partner for critical power needs across Milwaukee and beyond.
Services
Commercial Electrical
DC Power Solutions
Industrial Electrical
Sound & Communications
Backup Power
Details
- Year established: 1959
Highlights and features
- We offer 60+ years of electrical contracting experience
- Our team includes state-certified union apprenticeship graduates
- We provide 24/7 emergency service with rapid response
- We maintain 25-year product warranties through manufacturers
- Our technicians follow BICSI and TIA/EIA standards
Associations and certifications
- OSHA-10
- BICSI
Services
Commercial Electrical
Dnesco Electric handles diverse commercial projects from office buildings to retail spaces. Our expertise includes data centers, healthcare facilities, and electric vehicle charging installations. We guarantee timely completion with high-quality standards through experienced project managers and state-certified electricians.
DC Power Solutions
Our DC Power division specializes in uninterrupted power solutions for critical facilities. We install and maintain DC power plants, battery systems, and rectifiers for data centers and industrial operations. Our technicians ensure clean power delivery through ladder rack systems and DC bus inverters while maintaining 25-year manufacturer warranties.
Industrial Electrical
We manage complex industrial electrical projects requiring specialized training. Our services include PLC programming, motor control systems, thermography maintenance, and backup power solutions. All technicians complete five-year union apprenticeships to handle Milwaukee's largest industrial facilities with precision and safety compliance.
Sound & Communications
Dnesco Communications designs and installs structured cabling systems for commercial growth. We provide security surveillance, fiber optics, fire alarms, and sound masking solutions. Our IBEW-certified technicians use advanced equipment from Panduit and CommScope while following BICSI standards for future-proof infrastructure.
Backup Power
We install and maintain comprehensive backup power systems including generators, UPS units, and transfer equipment. Our 24/7 emergency service ensures continuous operation for critical facilities through thermography testing and preventive maintenance programs tailored to industrial and commercial needs.
People
Gregg Schwister
President
With over 25 years in the trade since 1996, Gregg leads with humility and prioritizes team cohesion. He considers employees as extended family and has built a culture of belonging and professional growth.
Stacy Schwister
Vice President
Supporting strategic operations as Vice President, Stacy contributes to Dnesco's exponential growth while maintaining focus on community partnerships and employee development programs that strengthen our organizational culture.
Neal Schroeder
Director of Business Development
Neal drives business expansion initiatives with industry connections and market expertise. He focuses on developing strategic partnerships while maintaining Dnesco's reputation for technical excellence in electrical contracting services.
Steve Griffith
Operations Manager
As Operations Manager, Steve oversees daily project execution ensuring timely delivery and quality standards across commercial and industrial electrical installations while coordinating between technical teams and clients.
Tom Strobel
Director of Procurement
Tom manages supply chain operations with focus on sourcing high-quality materials for DC power solutions and industrial projects while maintaining cost-efficiency and adherence to technical specifications.
Questions
What electrical services does Dnesco Electric offer?
We provide commercial and industrial electrical services, DC power solutions, structured cabling, fiber optics, security systems, backup power, and 24/7 emergency support for critical facilities.
How long has Dnesco Electric been in business?
We've delivered quality electrical services since 1959, with our president Gregg Schwister leading since 1996 and maintaining industry expertise across six decades.
Do you handle industrial electrical projects?
Yes, our electricians complete state-certified union apprenticeships to manage complex industrial projects including PLC programming, motor control systems, and thermography maintenance.
What areas do you serve?
While based in Milwaukee, we serve commercial and industrial clients nationwide with a focus on critical facility power solutions and infrastructure development.
Are your technicians certified?
Our team includes OSHA-10 certified technicians who follow BICSI standards and TIA/EIA building telecommunications wiring requirements for all communication technology projects.
Do you offer emergency electrical services?
Yes, we provide 24/7 emergency service with trained technicians available for immediate response to critical power issues in commercial and industrial facilities.
