International Specialty Products Inc. (ISP) has announced the expansion of the T.H. Hilson Company's sales territory for ISP's BIOTREND Industrial Biocides to include Minnesota, Wisconsin, North and South Dakota, Northern Illinois, and the greater Chicago area. This expansion is an addition to T.H. Hilson's current territory of Southern Illinois, Missouri, Iowa, Kansas and Nebraska. T.H. Hilson, based in Chicago, sells specialty raw materials to the coatings, graphic arts, adhesives, lubricants, industrial and institutional, and personal care markets.

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