May & Baker was a British chemical company.
The M&B Railroad, formerly the Meridian and Bigbee Railroad, is a Class III railroad that operates 189 miles of railroad from Meridian, Mississippi eastward to Burkville, Alabama.
Mitchells & Butlers plc (also referred to as "M&B") runs circa 1,784 managed pubs, bars and restaurants throughout the United Kingdom.
Mount & Blade is a medieval action role-playing game for Microsoft Windows, developed by the Turkish company TaleWorlds, and published by the Swedish company Paradox Interactive.
Sulfapyridine (INN; also known as sulphapyridine) is a sulfonamide antibacterial medication.