The facility was considerably modernized under the leadership of Antanas Gustaitis, who also designed a variety of aircraft to be built there in small series in the 1920s and 1930s under the designation ANBO.
Under the leadership of Antanas Gustaitis, the facility was extensively renovated. He also designed a variety of planes that were manufactured in small batches between the 1920s and 1930s, labeled as ANBO.