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 ISO/TS16949 certification to guarantee quality products that perform under demanding conditions.

CPI has successfully launched processes to meet new customer requirements. Quality, delivery, and pricing improvements have also been realized to meet or exceed customer expectations.

Circle-Prosco Flux Operation with Automotive Heater Headers

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

The manufacturing floor space is 80,000 square feet, including warehousing of raw and finished goods.

CPI provides full logistic support for our customers, including EDI and ASN capability. CPI is also ISO/TS16949 certified. The quality system was designed to comply with this standard including electronic submission of Level 3 PPAP packages.

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Circle-Prosco has manufacturing capability in three primary areas; spray flux coating, round tube coating, and water/solvent based custom chemical blending. The coating areas are designed to assist in our customers' processes, to produce clean/coated parts ready to use in the manufacturing of aluminum heat exchangers. The chemical blending area is designed to produce custom blends to the specifications of our chemists.