Notable mergers, acquisitions in Mass.
Acquired: Phadia and Sterilin Ltd.
Price: $3.5 billion in cash for Phadia and an undisclosed amount for Sterilin
Date: May, 2011
Thermo Fisher Scientific Inc. acquired two companies in May: Phadia, a Swedish firm that specializes in allergy and autoimmunity diagnostics and Sterililn Ltd., a British company that provides single-use plastic products. Both acquisitions will help to boost the variety of Thermo Fisher's products and services.