Maison Bordier is a French company specializing in artisanal butter production and cheese aging, founded in 1985 by Jean-Yves Bordier. Based in Saint-Malo, the company is known for its traditional butter-making methods, including hand-kneading on wooden boards, resulting in a smooth texture and rich flavor.

In addition to classic butter, Maison Bordier offers various flavored varieties, such as butter with seaweed, lemon and olive oil, and Roscoff onion. Their products are highly valued by top chefs and gourmet enthusiasts worldwide. Beyond butter, the company is also involved in the aging of select cheeses, emphasizing high-quality raw ingredients and respect for traditional techniques. 

Ampersand Dairy is a British dairy specializing in the production of handcrafted cultured butter and buttermilk. It was founded by Grant Harrington, an experienced chef with international expertise, with the goal of creating the world's most flavorful butter by using traditional and refined techniques combined with the highest quality ingredients.

Their butter is made from the milk of Jersey, Holstein, and Guernsey cows, which are raised in England. The process includes the addition of healthy bacterial cultures and mineral-rich Himalayan pink salt, resulting in butter with a rich and creamy flavor. 

Le Ponclet is an esteemed artisanal dairy producer located in Locmélar, Brittany, France. Founded by David Akpamagbo, the farm is renowned for its exceptional raw milk butter, Beurre le Ponclet, which has garnered acclaim from top chefs and fine dining establishments worldwide.

Rodolphe Le Meunier is a cheese producer and affineur based in Tours, France. He comes from a family with a long tradition in the dairy industry, which has influenced his deep knowledge and expertise in cheese production. Le Meunier has won multiple awards for his work, including the prestigious title of Meilleur Ouvrier de France (MOF) in the cheese category, an honor given to craftsmen who achieve the highest level of skill in their field.

His business includes aging and refining cheeses, as well as sourcing from various regions in France to offer a diverse selection.

Abernethy Butter is a family-run artisanal dairy. It was founded by husband-and-wife team Will and Allison Abernethy, who transformed their passion for traditional butter-making into a successful business. Their butter is handcrafted using traditional methods from fresh cream sourced from a local farmer, whose cows graze on the lush green fields of the Lagan Valley.

The production process involves slow churning in small batches, which gives the butter its characteristic color and rich flavor. After churning, the butter is hand-washed to remove any remaining buttermilk, lightly salted, and shaped using traditional wooden paddles. 

Fromagerie Beillevaire is a French company specializing in the production and distribution of dairy products, particularly cheeses. Founded in 1980 by Pascal Beillevaire in the Marais Vendéen region, between the Loire River and the island of Noirmoutier, the company has grown from a family-run dairy into a renowned producer, affineur, and distributor of fine cheeses.

Today, Beillevaire operates six dairies and five aging cellars across France, where they produce and refine a wide range of cheeses, including those with Protected Designation of Origin (AOP) status, such as Camembert de Normandie, Chabichou du Poitou, and Brie de Meaux. 

Barber's is a distinguished British cheesemaker with over 190 years of history. Founded in 1833 by Daniel Barber, the company has remained family-owned and is based in Somerset, a region known for its rich agricultural tradition. Today, Barber's continues to be a leader in the production of premium cheddar cheeses.

Barber's prides itself on maintaining traditional methods of cheesemaking. The process begins with the highest quality milk sourced from over 100 local farming families who follow strict standards for animal care and milk production. The milk is then processed in the cheese dairy using age-old techniques passed down through generations. 

Isigny Sainte-Mère is a cooperative dairy located in Normandy, France, specializing in producing Camembert cheese, butter, and cream with milk sourced from the local area. The cooperative was established in 1932 and takes advantage of the rich grasses of Normandy, which impart a particular quality and flavor to its dairy products.

Isigny Sainte-Mère also holds a Protected Designation of Origin (PDO) status for some of its products, such as Isigny butter and Isigny cream, ensuring they meet strict geographical and quality criteria.

Hollis Mead Organic Dairy is an organic dairy farm located in Dorset, England. The farm practices sustainable farming methods and is committed to producing high-quality, organic dairy products. Their offerings include organic milk, which is sold in glass bottles to reduce plastic waste.