Centennial Securities Centennial Securities is a full service independent investment firm that specializes in mutual funds, stocks, bonds, CDs, annuities, 401 (k) plans, IRA rollovers, and investment advisory services. Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.