Ambassador Ware was made in England by Soho Potteries and distributed in the United States by the Fondeville and Company.
Fondeville and Company was founded by Eugene L. Fondeville around 1942 and was located in New York. They were the distributor for a few brands which included Ambassador Ware.
Soho Potteries was located in Staffordshire, England. Soho Potteries was founded in 1901 and they were bought by American stoneware manufacturer, Pflatzgraff and Co.