Many businessmen fled the country, taking capital and expertise with them.
The governor heard the businessmen out, but reaffirmed his commitment to coop power.
Nevertheless, he was wary of businessmen and argued against the formation of monopolies.
He counted among his neighbors and acquaintances several prominent businessmen.
The businessmen, the politicians, and the bureaucrats are the same people.
British Dictionary definitions for businessmen
noun (pl) -men
a person, esp a man, engaged in commercial or industrial business, esp as an owner or executive
There is a gender-neutral form, businessperson, but it does not appear to be very widely used. The plural business people is quite widely used, and if you wish to avoid being gender-specific, you could try recasting your sentence to use the plural