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About Commonwealth Oil
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Commonwealth Oil Corporation has been in business since 1978 and is a privately owned Canadian corporation headquartered in Harrow, Ontario. Harrow is a small rural community centrally located in the heartland of industrial North America, south of Detroit, Michigan.

Commonwealth Oil blends and sells high performance metalworking & specialty fluids to a broad range of industrial sectors throughout the United States, Canada, Mexico, Central America and the United Kingdom. We are registered to the ISO 9001 - 2000 Quality Standard.

Our product lines include:
  • high performance metalworking coolants
  • lubricants
  • nuclear approved metalworking fluids & cleaners
  • custom designed cutting fluids, honing & grinding oils
  • rust inhibitors
  • cleaner/degreasers
  • concrete form release oils
  • fluid conditioners
  • glass production lubricants
  • readily biodegradable lubricants
  • toll blend for many of our competitors
     

     
Fred Herdman

We are a leading supplier to the Aerospace, Screw Machine, Tube & Pipe, and Electric Discharge Machining (EDM) sectors.

R & D is conducted in our laboratory facilities with full time product development chemists and support staff. A main focus of Commonwealth Oil Research & Development relates to health & safety as well as improving performance of metal removal processes.

We are an official sponsor and fluid supplier to McMaster Manufacturing Research Institute (MMRI), a leading industrial manufacturing research center, located at McMaster University in Hamilton, Ontario as well as the Ford Centre for Excellence in Manufacturing at St. Clair College in Windsor, Ontario. Many equipment manufacturers purchase or specify our fluid products to ensure their equipment performs to maximum capability.
 




 

 
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Commonwealth Oil | 2080 Ferriss Rd. N. Harrow, ON N0R 1G0 | 1-800-265-3689