Mucho Macho Mustard
- Available in original or berry flavor, both sweet and hot. Also provides information about wholesale purchases.
- http://muchomachomustard.com/

Stadium Mustard
- Ordering information and recipes for the mustard served at Cleveland Stadium for more than 50 years.
- http://www.stadiummustard.com/

Napa Mustard Co.
- An assortment of flavors including some made with beer, wine, fruit, garlic, or horseradish.
- http://napamustard.gourmetfoodmall.com/

Mean Jean's Mustard
- Homemade in Michigan, featuring flavors such as cranberry, tomato-pesto, raspberry, and jalapeno.
- http://www.meanjeanmustard.com/

Mendocino Mustard
- Hand-prepared kosher hot and sweet, and beer mustards, also available in gift crates.
- http://www.mendocinomustard.com/

The Mount Horeb Mustard Museum
- An extensive selection of mustards, gift boxes, books, mustard making supplies and museum souvenirs.
- http://www.mustardmuseum.com/

Shaken Oak Products
- UK makers of mustards and relishes with no artificial ingredients or preservatives. Sold in cases.
- http://www.shakenoak.co.uk/

Raginmund Mustard of the Norse
- All natural mustards made in the Canadian northwest.
- http://www.raginmund-mustard.com/

Mady's Specialty Foods
- Mustard in beer, champagne, and zesty honey flavors, and beer bread mix. Sold by the case, half-case or variety pack. Includes several recipes.
- http://www.madysmustard.com/