Question: Who is the the world's leading producer of frozen fries?
About the article "French fries", section "Frozen fries".

Candidate passages:
Spreading popularity.
Frozen fries.
The J. R. Simplot Company is credited with successfully commercializing French fries in frozen form during the 1940s.
Subsequently, in 1967, Ray Kroc of McDonald's contracted the Simplot company to supply them with frozen fries, replacing fresh-cut potatoes.
In 2004, 29% of the United States' potato crop were used to make frozen fries – 90% consumed by the food services sector and 10% by retail.
It is estimated that 80% of households in the UK buy frozen fries each year.
Canada's McCain Foods is the world's leading producer of frozen fries.
McCain Foods Limited is a privately owned company that was established in 1957 in Florenceville, New Brunswick, Canada.
It is the world's largest producer of French fries and other oven-ready frozen food products.  
Variants of French fries include "thick-cut fries", "steak fries", "shoestring fries", "jojos", "crinkle fries", "curly fries", "hand-cut fries" and "tornado fries".
Fries cut into rough cubes instead of sticks are called "home fries".
Fries cut thickly with the skin left on are called "potato wedges", and fries without the skin are called "steak fries", essentially the American equivalent of the British "chip".
They can also be coated with breading, spices, or other ingredients, which include garlic powder, onion powder, black pepper, paprika, and salt to create "seasoned fries", cheese to create "cheese fries", or chili to create "chili fries".
Sometimes, French fries are cooked in the oven as a final step in the preparation (having been coated with oil during preparation at the factory): these are often sold frozen and are called "oven fries" or "oven chips".
Some restaurants and groceries in North America offer French fries made from sweet potatoes instead of traditional white potatoes.
In France, the thick-cut fries are called "Pommes Pont-Neuf" or simply "pommes frites", about 10 mm; thinner variants are "pommes allumettes" (matchstick potatoes), ±7 mm, and "pommes paille" (potato straws), 3–4 mm (roughly ⅜, ¼ and ⅛ inch respectively).
The two-bath technique is standard (Bocuse).
"Pommes gaufrettes" or "waffle fries" are not typical French fried potatoes, but actually crisps obtained by quarter-turning the potato before each next slide over a grater and deep-frying just once.
This results in large flat fries with two layers, each of which consists of parallel strips of potato.
In an interview, Burger King president Donald Smith said that his chain's fries are sprayed with a sugar solution shortly before being packaged and shipped to individual outlets.
The sugar caramelizes in the cooking fat, producing the golden color customers expect.
McDonald's was assumed to fry their fries for a total time of about 15 to 20 minutes, and with fries fried at least twice. 
As of 2006, the United States is the world's leading producer and consumer of gravel. 
Originally founded by four brothers - Harrison McCain, Wallace McCain, Robert McCain, and Andrew McCain - the company is still privately held by their descendants.
McCain Foods has 19,000 employees and 50 production facilities spanning six continents.
It sells one-third of the world's frozen French fries products in more than 160 countries.
Based on 2012 sales, it is the 30th largest private company in Canada, according to "The Globe and Mail"'s Report on Business.