There are a lot of destinations for business travelers; all you need to do is find the best of them all, where you can get the maximum enjoyment for every penny you spend. Most of these destinations are not limited to a particular country; they are scattered across all regions of the world.
As a business traveler, you should probably be thinking of places that are filled with cultural and industrial opportunities, and also places where you won't spend so much on travel costs. If you are searching for different destinations for business travelers, you should consider visiting places like San Francisco, Chicago, Philadelphia, New York, London, Phoenix, Rio de Janeiro, Toronto, Salt Lake City, Mexico City, etc.
These places are filled with so many tourist attractions, plus the huge number of industries in each aforementioned city. Most of these places are homes for the technology industry, media corporations, banking institutions, etc.