Welcome to Harvard Corporation and Constant Contamination Control^®
At Harvard, our goal is to extend the life of equipment, lubricants, coolants and oil, which can eliminate millions of gallons of hazardous liquid chemicals from the waste stream, creating a cleaner present and future for all of us. Our commitment to quality and service has always been a priority and remains unmatched in the industry.

Harvard Corporation develops, designs, manufactures and sells partial-flow filtration systems and filters that remove water and dirt from oil to produce the cleanliness level you require for applications from aerospace to mining.

You can reduce maintenance costs and the amount of liquid waste that is generated, while helping the environment by using our simple-to-operate, portable and stationary filtration systems. Constant Contamination Control^® filtration systems using Harvard brand patented filters can be found on land and sea, helping our ecology as well as your investments.