Britannia Industries , still popular as Britannia Biscuits, has maintained its upward curve. Sales for the last quarter grew 17 % from US$58m to US$68m, and post-tax profit 27% from US$2.6m to US$3.3m - this despite higher excise duties of US$5m. Britannia is the first or second player in most product categories, including biscuits, where its main competitor is