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Welcome to Circle-Prosco, Inc.

“Providing innovative products with a total commitment to quality and customer satisfaction”

Circle-Prosco, Inc. (CPI) is a leading manufacturer of specialty chemicals for the metal finishing industry. For over 40 years, we've been designing, manufacturing and supporting products such as conversion coatings, aqueous cleaners, lubricants and rust preventatives.

If you need a conversion coating for aluminum or steel, an aqueous cleaner for difficult soils, a novel vanishing / stamping oil, or a resilient rust preventative, you've come to the right place. We offer a full line of products and services for the metal stamping and finishing industry.

Check out the "Our Products" link for information on our many products. To request additional detailed information from our knowledgeable staff about our products and services, click the "Contact Us" link.

Circle-Prosco, Inc. | 401 N. Gates Drive, Bloomington, IN 47404 | 812-339-3653

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