In 2018, Widex and Sivantos (which also owns Siemens/Signia, Rexton, TruHearing, Audibene, HearUSA and Hear.com) announced an $8B merger, creating the 3rd largest hearing conglomerate in the world. Not only do they dominate the manufacturing of hearing aids with an illusion of competition but they also control the distribution. Almost identical to the United States Vs. Paramount Pictures antitrust scenario.
Or the breakup of the Bell System
The breakup led to a surge of competition in the long-distance telecommunications market
The combined company—pending what will probably be a long and possibly uncertain regulatory approval process—would position it in close proximity to Sonova and William Demant Holding (WDH), with a global market share of about 24-25%. Sonova, the Switzerland-based parent group of Phonak, Unitron, and Hansaton, is estimated to have a market share of around 25%—essentially the same or slightly more than WDH, the Denmark-based group that owns Oticon, Bernafon, and Sonic.