Business Details
20 Years
experience
Emergency
services
Trusted Electrical Services in Southeast Wisconsin & Northern Illinois
Grohs Electric was founded in 2006 by Mark J. Grohs, a master electrician with over 30 years of experience. Our team of union-qualified electricians undergoes rigorous training, including OSHA 10 safety certification and thousands of hours of combined classroom and on-the-job instruction. We specialize in industrial, commercial, and residential electrical systems, adhering to strict safety protocols and state electrical codes. Our services include machine wiring, fire alarm installations, data cabling, and energy-efficient lighting retrofits. We serve Southeast Wisconsin and Northern Illinois, maintaining full licensing, insurance, and bonding in both states.Our commitment to quality workmanship and customer satisfaction has earned us long-term partnerships with industrial facilities, commercial developers, and homeowners. We prioritize transparent communication, competitive pricing, and timely project completion. Our technicians provide 24/7 emergency service for critical electrical issues. Grohs Electric partners with Wisconsin-based fire alarm designers and data communications providers to deliver comprehensive solutions. We maintain ongoing training programs to ensure our team stays current with evolving electrical technologies and safety standards.
Services
Industrial Electrical Services
Commercial Electrical Systems
Residential Installations
Fire Alarm Systems
Data Cabling Services
Details
- Year established: 2006
Highlights and features
- We have over 30 years of electrical experience including industrial machine wiring
- Our union-qualified electricians complete 1,000+ hours of classroom training
- We maintain a strict daily safety program with OSHA 10 certified technicians
- We offer 24/7 emergency electrical repair services for critical systems
- Licensed in both Wisconsin and Illinois with full bonding and insurance
What people say
Terrific job
Excellent work
Prompt and courteous
Dead on schedule
Highly recommended
Services
Industrial Electrical Services
Grohs Electric specializes in industrial electrical systems for warehouses and manufacturing facilities. We install 600V to 24V systems including transformers, conveyor belt controls, and explosion-proof applications. Our team handles machine relocation, HVAC electrical systems, and 24/7 emergency repairs for production-critical equipment.
Commercial Electrical Systems
We provide complete commercial electrical solutions from 277/480V lighting systems to generator installations. Our services include panel board upgrades, isolated ground systems, and exterior lighting for office buildings, banks, and retail centers. We offer ongoing maintenance and troubleshooting for commercial properties.
Residential Installations
Grohs Electric handles residential electrical needs including service changes, kitchen/bathroom remodels, and generator installations. We specialize in code-compliant upgrades for insurance requirements and energy-efficient lighting solutions. Our services extend to agricultural buildings and pole barns.
Fire Alarm Systems
We install and retrofit fire alarm systems for apartments, offices, and industrial facilities. Partnering with Wisconsin fire alarm designers, we ensure code-compliant installations for conventional and high-rise evacuation systems. Our systems meet or exceed local fire safety regulations.
Data Cabling Services
Grohs Electric partners with telecom providers for data, video, and network cabling. We install structured cabling systems for businesses, supporting communication technology infrastructure. Our services include coaxial jacks and phone system installations for commercial clients.
People
Mark J. Grohs
Owner, Master Electrician
Mark Grohs founded Grohs Electric in 2006 after completing a five-year Wisconsin state electrician apprenticeship. With over 30 years of experience, he oversees all operations while maintaining active master electrician licenses in Wisconsin and Illinois.
Questions
What electrical services does Grohs Electric offer?
We provide industrial, commercial, and residential electrical services including machine wiring, fire alarm systems, generator installations, and data cabling throughout Southeast Wisconsin and Northern Illinois.
Do you provide emergency electrical services?
Yes, we offer 24/7 emergency repair services for critical electrical systems in industrial, commercial, and residential settings.
Are your electricians licensed and insured?
All our electricians are union-qualified with OSHA 10 certification. We maintain full licensing, insurance, and bonding in both Wisconsin and Illinois.
What areas do you service?
We serve Southeast Wisconsin including Kenosha, Milwaukee, Racine, and Walworth Counties, plus Northern Illinois areas including Lake and McHenry Counties.
Can you handle large industrial projects?
Yes, we specialize in industrial electrical systems including machine relocation, conveyor systems, and high-voltage installations for warehouses and manufacturing facilities.
Do you offer energy-efficient solutions?
We install energy-efficient lighting retrofits that reduce energy costs while maintaining proper illumination for commercial and industrial spaces.
