Santa Clara, Calif. -- Agilent Technologies, the Santa Clara-based measurement technology giant, said on Thursday it has completed the largest acquisition in company history, acquiring Denmark-based cancer diagnostic company Dako in a deal worth $2.2 billion. The acquisition, originally announced a month ago, adds more than 1,000 employees and $340 million in annual revenue. Dako provides antibodies, reagents, scientific instruments and software to customers in pathology laboratories, and also collaborates with a number of major pharmaceutical companies. "The addition of Dako and its portfolio will help Agilent accelerate our growth in several rapidly expanding areas of diagnostics, as well as strengthen our existing offerings," said Bill Sullivan, Agilent's president and CEO. With the deal, Agilent said it has formed a fourth business reporting segment, the Diagnostics and Genomics Group.