Providing truck fleet washing, building exterior cleaning, house washing, monument/statue cleaning, surface refinishing, and industrial concrete cleaning services to Michigan and surrounding Great Lakes region since 1976! Castlerock Cleaning Co. is the #1 On Site Mobile Wash Operation in the Great Lakes Region. Our company adheres to all environmental issues that relate to the mobile Pressure Washing Industry. We have deployed many mobile technicians, therefore, no job is too big or too small for us.