Founded in 1971, Circle-Prosco, Inc. is a full service specialty chemical company. We research, develop, manufacture, and support a broad range of products used in the metal finishing industry. We specifically design the vast majority of our products to be environmentally friendly, while providing improved performance, and increased safety.
Our products include zirconium-based pretreatments for steel and aluminum, iron phosphate conversion coatings for steel applications, aqueous cleaners, including low temperature aqueous cleaners, as well as lubricants and rust preventatives.
We differentiate ourselves from our competition by providing in-depth service and support. Sales people are backed by experienced technical personnel and a fully equipped lab. When a customer has challenging problems, we can (and often do) custom formulate products that provide better performance, are less expensive and more environmentally friendly.
Because of our excellent products as well as our strong sales and technical staff, CPI has grown significantly in the past few years, more than doubling our personnel. We achieved and maintain IATF - 16949 certification to guarantee quality products that perform under demanding conditions.
Tenneco Automotive, Inc.
Unverferth Mfg. Co., Inc.
HVAC and R
Metal Fabrication / Welding
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Circle-Prosco, Inc. | 401 N. Gates Drive, Bloomington, IN 47404 | 812-339-3653