R&D Systems was founded in 1976 in Minneapolis, MN. It is a wholly owned subsidiary of TECHNE Corporation (a holding company with no employees). The stock is traded publicly on NASDAQ's National Market System under the "TECH" symbol. TECHNE has two operating subsidiaries: Research & Diagnostics Systems, Inc. (R&D Systems) and R&D Systems Europe Ltd. (R&D Europe).R&D Systems has two operating divisions: Biotechnology, which manufactures reagents primarily for the research market, and Hematology, which manufactures controls and calibrators for hematology analyzers.In July, 2005 R&D Systems purchased BiosPacific, which became