Harvard Bioscience Inc. has added to its 20 wholly-owned subsidiaries with its latest acquisition of behavioral measurement products developer Coulbourn Instruments .
Holliston-based Harvard Bioscience  (Nasdaq: HBIO) develops, manufactures and markets products and instruments in the life sciences field. The company bought all of Coulbourn’s assets for an undisclosed amount, although Harvard Bioscience CEO Chane Graziano  noted in a statement today that the acquisition is expected to add “approximately $4 million in annual revenues.”
Among the brands Harvard Bioscience operates under are Harvard Apparatus, Biochrom, Hoefer, Panlab, Warner Instruments, KD Scientific, Hugo Sachs Elektronik, Scie-Plas, BTX and Denville Scientific. The company has operations in the U.S., the U.K., Germany, France, Spain and Canada.