The Australian winemaker Andrew Garrett Vineyard Estates is to change its name to International Vintners Australia Pty Ltd. The change will take effect on August 1. "This will formalise a transition that has been in process for some time," CEO, Brenton Atkinson, said today. "The company generally has traded overseas as International Vintners Pty Ltd and within Australia as Andrew Garrett Vineyard Estates Pty Ltd.