Use 'amp' only in the following situations: Proper nouns, such as corporate names, such as "Crown & Co." (note: spaces are used here). When the mark appears as a design element in logos, titles, or names, such as Apple, Excedrin, and Xerox. Only use 'amp' when it is necessary to distinguish between those companies with similar names; for example, Dow Jones & Company vs. The Dow Jones Company.