Fire Alarm and Data Cabling Services

  • Fire Alarm Installations
  • Fire Alarm Installations
  • Fire Alarm Installations
  • Fire Alarm Installations
  • The Best in Customer Service
  • Data Cabling

Fire Alarms

From the smallest apartment or condo building to the largest factory; from hospitals to office buildings; from simple conventional systems to high-rise evacuation, Grohs Electric will install complete fire alarm systems into any building or facility to meet or exceed code requirements.

Grohs Electric works hand in hand with a quality Wisconsin based fire alarm design company to make any building or facility a safer place for the employees and the public. Contact us for new installations or retrofits.

  • Apartment Buildings
  • Condominiums
  • Office Buildings
  • Hospitals
  • Factories
  • Warehouses

Data Cabling

Grohs Electric has partnered with a premier provider of data communications technology as the cable installer. This Wisconsin based company designs and configures telecommunication services, video technology, data networks and cabling infrastuctures. Their design expertise along with our installation experience allows you to leverage communication technology as a competitive advantage.

  • Telecommunications
  • Video Technology
  • Data Networks


Grohs Electric is able to provide highly skilled service, repair and maintenance to all of your electrical systems. We have qualified technicians that can troubleshoot and repair any electrical problem. We will fix the problem correctly the first time, at a competitive price and in a timely fashion. Consider us for repairs to your interior and exterior lighting including parking lot light fixtures and signage.

  • Interior Lighting
  • Exterior Lighting
  • Parking Lot Lighting
  • Signage
  • Troubleshooting
Experience the Mark of Quality

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