 Also in 2013, Avista acquired Zest Dental Solutions, a maker of dental products, from the Jordan Company and, in 2018, Avista sold Zest to BC Partners for an undisclosed amount.In 2016, Avista acquired the contract research organization MPI Research, a provider of testing services for biopharmaceutical and medical devices.Avista sold the company to Charles River Laboratories for approximately $800 million in cash in 2018.