Striving to serve our local community with excellence and professionalism.  Locally owned.  Locally invested.

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About Cornerstone Group

Cornerstone Group provides expert mobile services to the Industrial and Agricultural sectors nationwide. Established in 2010, Cornerstone Pressure Washing is owned and operated by the Belanger family. Both Pat and Robin Belanger were born and raised in Lambton County, and have been married for almost 20 years. After ending a decade long career in the Trucking Industry, Pat and Robin started CPW. Initially focusing on cleaning heavy equipment, it was not long before the company had grown itself to include bridge and large structure washing. By 2013, CPW was the industry leader in turbine washing. Owners, Pat and Robin, attribute the success of their company to the high level of service CPW employees provides their clients. Paying close attention to detail, the aim of CPW is to ensure the finished product is rejuvenated – looking the best it possibly can. Based in Lambton County area. In 2020 Cornerstone Pressure Washing was renamed to Cornerstone Group because of the emergence of 2 unique focuses; the Industrial Sector and the Agricultural Sector. Our expertly trained teams are friendly, professional and fully insured.