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ACT Services is a Saint Paul, MN-based company in the Healthcare, Pharmaceuticals, and Biotech sector.
Affitech USA is a Walnut Creek, CA-based company in the Healthcare, Pharmaceuticals, and Biotech sector.
RNL BioStar Inc. is a Germantown, MD-based company in the Healthcare, Pharmaceuticals, and Biotech sector.
Lybradyn Inc is a Oak Brook, IL-based company in the Healthcare, Pharmaceuticals, and Biotech sector.
Created by the 1975 merger of Sigma Chemical Company and Aldrich Chemical Company, Sigma-Aldrich since grew through various acquisitions until it had over 9,600 employees and was listed on the Fortune 1000 at the time of its acquisition by Merck.