Servicing Southeast Wisconsin and Northern Illinois with Quality and Excellence

Phone: 262-514-2014


  • Kenosha County, WI
  • Milwaukee County, WI
  • Racine County, WI
  • Walworth County, WI
  • Lake County, IL
  • McHenry County, IL

GROHS ELECTRIC, LLC was founded by Mark J. Grohs, a master electrician who has twenty four years experience including a five year Wisconsin state apprenticeship to his credit.

Grohs Electric has proven to be an honest, hard working electrical contractor that stands behind their name. They provide their customers quality and excellence through a thorough understanding of state electrical code and electrical applications including commercial, residential, industrial, design / build, fire alarm systems, data installations and repair services.

Grohs Electric employees are union qualified electricians who have had over a thousand hours of classroom training and a minimum of five years supervised, on-the-job training.

Employees have completed an OSHA 10 class for safety, are drug tested and participate in on-going training and education which will continue throughout their tenure. Grohs Electric has a strict safety program that is followed each and every day.

Some of the electrical services offered include:

  • Industrial machine wiring and relocation, conveyor systems, HVAC electrical, industrial ovens and high voltage systems
  • Installation & repair of commercial electrical panel boards, transformers including 24 volt, 120/208-240 volt and 277/480 volt systems, outdoor lighting & signage
  • Installation & repair of residential electrical panels, receptacles, fans, lighting, generators and design / build
  • Telecommunications - data, computer and phone wiring

Grohs Electric provides quality service and honest pricing while instilling confidence in their customers.

Thank you for considering Grohs Electric for your electrical contractor needs. Grohs Electric is fully licensed, insured and bonded in Wisconsin and Illinois.

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