Let's hear it for buggy whip makers and elevator operators
Just do away with government imposed commercial monopolies, where technically (and I do mean technically, as in we need to do spectrum management, air traffic control, physician licencing, or the equivalent) possible.
Taxi companies/owners (generally not the drivers so much, really) are reaping the benefits of a government imposed scarcity and inefficiency that artificially increases fees and inflates the value of a taxi licence, sometimes into the million dollar range, while simultaneously constraining access to services through both price and induced scarcity.