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OnSomble is the leading online nurse community and role-based professional development company in the world.
ChemNavigator is a San Diego, CA-based company in the Healthcare, Pharmaceuticals, & Biotech sector.
Dallas Employment Services , Inc. is a Dallas, TX-based company in the Healthcare, Pharmaceuticals, & Biotech sector.
Mcnan Technologies Inc is a Glen Allen, VA-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.