In a variety of U.S. industries, competition is limited to a few large companies, according to Open Markets Institute, an organization that examines monopolies. Examples include:
- Google and Apple together serve 99% of the market for smartphone operating systems (2018).
- Home Depot and Lowe’s run 81% of the country’s home improvement stores (2017).
- Delta, American, United and Southwest take 76% of domestic airline revenue (2018).
- DowDuPont and Bayer sell 78% of all corn seeds (2015).
- Nestlé, J.M. Smucker and Mars supply 88% of dry cat food (2017).
- Two firms, Hillenbrand and Matthews, own 82% of coffin and casket manufacturing (2019).
Market concentration is “both high and rising over time,” according to a 2018 brief from the Federal Trade Commission. The number of mergers rose from 2,308 in 1985 to 15,361 in 2017, the FTC noted.