Weighing in at about $2.5 billion in annual sales, Wirtz Beverage Group is the sixth largest wholesaler in the US, and they've been very busy in recent years. Recall, in 2013, the company was responsible for some of the most significant headlines in the second tier, including: a partnership with Glazer's and Charmer Sunbelt Group to explore best practices in back office operations; the formation of a joint venture in Missouri with Warren Buffett's McLane Company and Missouri Beverage; a partnership with Johnson Brothers in Iowa and last month the company announced it would be partnering with Diageo to expand the business to Canada.