Welsh drinks, including soft drinks, juices, mixers, low- and no-alcohol options, and alcoholic producers.
Lucky No. 7 roasts speciality coffee in Newport, including espresso and medium roasts plus decaf coffee across its seven-coffee range.
MABBY BREW CO brews cask ales, canned craft beers and lager in its microbrewery beneath The Otley Arms in Treforest, near Pontypridd.
Magic Dragon Brewing brews real ale and craft beer at The Plassey near Eyton, Wrexham.
Mallows Bottling blends and bottles alcoholic and soft drinks at its Tonyrefail production site.
Mantle Brewery brews Welsh real ales at its family-run microbrewery in Cardigan.
Manumit Coffee Roasters produces speciality coffee in Cardiff, roasting house blends, single-origin coffees and decaf as a social enterprise.
MASHED brews its own beers at its community brewhouse and taproom in Aberystwyth, with a current range suitable for vegans.
McNally's Brewery brews small-batch Welsh craft beer in a converted stone barn at Cilcain near Mold.
Meggy's Cyder makes traditional cider and perry in Usk from whole-juice apples and pears.
Misfit Brewing Company produces modern small-batch craft beer in Bedwas, Caerphilly.
Monnow Valley Cider produces traditional cider, perry and apple juice in Penperlleni.
Montgomery Waters bottles still, sparkling, flavoured and vitamin-enriched Welsh spring water in Churchstoke.