Marston's (LSE: MARS) is the colloquial name for the brewer and pub operator Marston's plc (formerly known as Wolverhampton & Dudley Breweries plc until 2007 when it rebranded as Marston's). The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

The Company was formed in 1890 as Wolverhampton & Dudley Breweries by the amalgamation of Banks & Co. with George Thompson & Sons and Charles Colonel Smith's Brewery. It was first listed on the London Stock Exchange in 1947. It acquired Cameron's Brewery of Hartlepool in 1992 and sold it to Castle Eden in 2002.

In 1999 the Company purchased Marston, Thompson & Evershed of Burton upon Trent (including Marston's Brewery which had been founded in 1834). Also in 1999 the Company purchased the Mansfield Brewery Company of Mansfield.

In 2005 Marston's Brewery took over production under licence from Interbrew of Draught Bass, succeeding Coors. Later, in 2005, the Jennings Brewery of Cockermouth was also purchased and in 2007 Hampshire based Ringwood Brewery, which was established in 1978, and brews Best Bitter, Fortyniner, and Old Thumper, was acquired.

In 2007 the Company changed its name from Wolverhampton & Dudley Breweries plc to Marston's plc.

Source: Wikipedia