Who We Are

Since 1953, Grunwell-Cashero has been a family-owned and operated business. We started in Detroit, expanded to Toledo and Cleveland, and we take great pride in not only preserving the historic buildings across the Midwest, but preserving history as well. It’s not just business to us, it’s in our blood. The great care and extreme quality of work that Fidell Cashero Sr. devoted to each job has been passed down from generation to generation, and still acts as our North Star on each and every project we take on — no matter the size. 

We treat our customers like family, so here’s a little Grunwell-Cashero history to help you get to know us a little better. 


  • Fidell Sr. purchased the business from Roy Grunwell, who had been in business for nearly 40 years. 
  • Fidell Sr. takes over Grunwell’s clients, including Fort Shelby Hotel and numerous downtown Detroit buildings.


  • Awarded project on Fisher Building to restore the decorative golden tower. 
  • Expanded workforce through hiring of skilled tradespeople.
  • Fidell Sr.’s expertise of historic restoration and preservation grows.


  • The Toledo office officially opens! 
  • Grunwell-Cashero wins large contract for work on City County Building (now Coleman A. Young Building). 
  • Work includes removing all of the marble veneer, replacing structural steel, and resetting marble panels.


  • A significant 4-year project was undertaken on the Levin Courthouse to remove the top third of the limestone veneer and replace the structural steel.
  • Substantial high-rise projects include the restoration of Detroit Towers and the Fisher Building.
  • Our crews completely dismantled the historic Firestone farm in Columbiana, OH and reconstructed at Greenfield Village.


  • The Cleveland office opens and wins a large restoration project at Severance Hall.
  • Extensive structural steel and limestone renovation is completed at The Free Press building in Detroit.
  • Scott Cashero is named President of Grunwell-Cashero.


  • A massive project at The Henry Ford/Greenfield Village is completed in a short period of time, far exceeding client expectations.
  • The historic terra cotta clad Pease Auditorium at EMU is completely restored.
  • Jelane Cashero-Raycraft joins the management team.


  • Fidell Cashero Sr. (1922-2017) is inducted into the Michigan Construction Hall of Fame for his lifetime contribution to the construction industry.
  • Business thrives with the revitalization of downtown Detroit and includes restoration of iconic Detroit landmarks such as the David Stott, Metropolitan and Wurlitzer.


  • Completed the intricate Guastavino Tile ceiling restoration in the waiting room of the historic Michigan Central Station.
  • Navigate through the challenges of working through a pandemic.
  • Stay tuned for more!