Mustard is acondiment made from themustard seeds from one of three varieties ofmustard plant:Sinapis alba, white mustard (also known as yellow mustard);Brassica juncea, brown mustard; orBrassica nigra, black mustard. The whole, ground, cracked, or bruised mustard seeds are mixed withwater,vinegar, or otherliquids, and sometimes other flavorings andspices, to create a paste or sauce ranging in color from brightyellow to darkbrown.

• Amora is a French company most known for its Dijon mustard. It is based in Dijon. In 1999 it was acquired byUnilever.^[1]

• Bertman Original Ballpark Mustard created by Joe Bertman in Cleveland is a spicy brown mustard used for more than 90 years at sports stadiums in theCleveland,Ohio, area and is also sold at retail.
• Boar's Head produces a delicatessen-style mustard that includes white wine and horseradish.^[2] The company also produces yellow mustard and honey mustard.

• Colman's is a British company and brand. Founded in 1814 inNorwich, Norfolk, it is one of the oldest existing food brands. Best known for its Colman's English Mustard, it sells a variety of condiments. It is a subsidiary ofUnilever.

• Löwensenf is a German company and brand. The company was founded in 1903 inMetz (then part of theGerman Empire due to the outcome of theFranco-Prussian War), and is famous for its Düsseldorf mustard. It is a subsidiary of Develey Senf & Feinkost GmbH

• Edmond Fallot is a brand from Beaune, France, known for a wide variety of mustard products. The company was founded in 1840.
• French's is an American brand of prepared mustard: French's "Cream Salad" mustard, the original American yellow mustard, debuted at the 1904St. LouisWorld's Fair. French's is now owned byMcCormick & Company.

• Grey Poupon is a brand ofDijon mustard which originated inDijon, France.^[3] Grey Poupon is exported to other countries such as Canada^[4] however in America the brand is owned byKraft Heinz^[5] and manufactured in the US. Like other Dijon mustards, Grey Poupon contains a small amount ofwhite wine. However, American Grey Poupon differs from the French in that the American contains vinegar, sugar, fruit pectin and spices while the French does not.^[6][7]
• Gulden's is the third-largest American manufacturer of mustard, after French's and Grey Poupon.^[8] The oldest continuously operating mustard brand in the United States, it is now owned by food industry giantConAgra Foods.^[9] Gulden's is known for its spicy brown mustard, which includes a blend of mustard seeds and spices.

• Heinz produces a line of prepared mustards, including yellow, spicy brown, and honey mustards.
• Händlmaier is a German maker of Bavarian-style sweet mustard.

• Idun is a Norwegian brand of mustard,ketchup, and various food products.

• Keen's is a brand ofMcCormick Foods Australia Pty Ltd. Keen's Mustard Powder is created from finely crushed mustard seeds.
• Kozlik's is a family owned Canadian brand established in 1948 which manufactures more than 36 types of mustard. It is distributed across Canada and has some limited distribution in the North-East United States.

• Les Trois Petits Cochons (Three Little Pigs), a charcuterie company located inBrooklyn, sells a Dijon and a whole grain mustard made in France.^[10]
• Löwensenf, a Bavarian style sweet and spicy mustard.^[11]

• Maille is a French mustard andpickle company founded in 1747 in Marseille, when it made mostly vinegar. Later, it became well known for itsDijon mustard andcornichon and it subsequently opened an establishment in Dijon. It is a subsidiary ofUnilever. In North America the Maille that is distributed in the USA is made in Canada for the American market while the Maille that is distributed in Canada is exported from France.^[12] In 2019 Unilever United States Inc. was hit with a class action lawsuit from consumers who claim that its “Maille” brand of mustard appears to be made in France, but is in fact, made in Canada.^[13]
• Masterfoods is an Australian brand of mustard,tomato sauce, and various food products.
• Meaux - Moutarde de Meaux, aka Pommery is aDijon mustard.

• Plochman's, an American brand of mustard made by Plochman, Inc., is recognizable by itsbarrel-shaped bottle.
• Podravka, a food company based inKoprivnica,Croatia, produces a brand of mustard.

• Stadium Mustard is the trademarked name of a mildly spicy brown mustard served in stadiums and arenas throughout the United States.^[14]
• Silver Spring Foods is a family run business started in 1929. While they are the largest grower and producer of horseradish, they have an extensive specialty mustard line.

• Thomy is aSwiss food brand owned byNestlé; it produces mustard and other condiments such as mayonnaise and salad dressings.
• Turun sinappi – a mustard made in Finland, it is often used withmakkara (i.e. sausage).

• Williams Sonoma produces a variety ofbeer mustard.^[15]

• Zatarain's, a company based inNew Orleans,Louisiana, produces mustard^[16] and other condiments and spices.

• 
  The Colman's Mustard Shop & Museum in TheRoyal Arcade, Norwich, England
• 
  Aceramic mustard bottle from Maille,circa late 19th century

• Mustard oil
• National Mustard Museum
• List of condiments
• List of brand name condiments

• Media related toMustard at Wikimedia Commons
• The dictionary definition ofmustard at Wiktionary

• Condiments
• Lists of foods by type
• Mustard (condiment)
• Spices
• Lists of brand name foods

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