These Companies Control Over Half of Their Industry

Source: carterdayne / iStock Unreleased via Getty Images

25. Zillow Group, Inc.
> Industry: Online Apartment Rental Services
> Market share: 59.9%
> Second major player, market share: RentPath, LLC — 21.6%

Source: jeepersmedia / Flickr

24. Walmart Inc.
> Industry: Warehouse Clubs & Supercenters in the US
> Market share: 60.6%
> Second major player, market share: Costco Wholesale Corp — 22.6%

Source: Courtesy of Assurant via Facebook

23. Assurant Solutions Spain Sa
> Industry: Product Warranty Insurance
> Market share: 61.2%
> Second major player, market share: Squaretrade Inc. — 5.1%

Source: jetcityimage / iStock Editorial via Getty Images

22. Coffee and Bagel Brands
> Industry: Bagel Stores
> Market share: 61.5%
> Second major player, market share: No other major player in data

Source: Sea Cow / Wikimedia Commons

21. Cleveland-Cliffs Inc.
> Industry: Iron Ore Mining in the US
> Market share: 61.8%
> Second major player, market share: United States Steel Corp — 28.9%