Commercial Electrical Contractor Services
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Providing Efficient Electrical Solutions to Commercial Applications

Grohs Electric specializes in complete electrical systems from the design stage to the completed final project. We will install electrical systems from 277 / 480 volt for lighting and power equipment to 120 / 208-240 volt for lighting and receptacles.

We install distribution systems, panel boards and isolated ground panels. We also install generator system that supply power to convenience and isolated ground receptacles as well as general to specialty lighting.

We provide electrical systems for commercial applications such as schools and churches, office buildings, banks, car dealerships, airport hangars, retail stores, strip malls and grocery stores.

We also provide Thermal Imaging Reports, Level 1 ASNT-SNT-TC-1A Certified, to detect hot spots in distribution equipment and panel boards to prevent future electrical problems. Many insurance companies request infrared imaging for preventive reasons.

We will service, repair and maintain your service equipment as well as interior and exterior lighting. We can provide a service technician to troubleshoot any of your electrical problems.

Green lighting retrofits

We install lighting retrofits that lower energy costs and help the environment.

Mike Hopp
Facility Manager
Talmer Bank and Trust

Grohs Electric is an essential part in the building, remodeling and maintenance of Talmer Bank and Trust. Mark provides quality and excellence to any of our projects, large or small. Grohs Electric is prompt and courteous when working at any of our Southeast Wisconsin branches.

Talmer Bank and Trust

Mark J. Grohs - Owner, Master Electrician, licensed, insured and bonded in Wisconsin & Illinois