Yet the story of Glaceau’s vitaminwater offers insight into how inroads can be made in even the most saturated of industries, from food and toys to office supplies and cosmetics. In seven years, the brand has grown from a no-name upstart whose charismatic founder, Mr. Bikoff, delivered sample bottles from a cooler bag to become the cornerstone of a $350 million mini-empire that has won shelf space in 50,000 outlets, including Albertson’s, Safeway, Jewel-Osco and Whole Foods.