Many businesses use Mapbox (which is based on OSM, but is not free) and many consider that superior choice to GMaps. Others use Bing maps (Facebook, for example

Many businesses use Mapbox (which is based on OSM, but is not free) and many consider that superior choice to GMaps. Others use Bing maps (Facebook, for example). Then there are Here maps, Yandex maps, etc. GMaps are a quick and comfortable choice, but if your business really depends on communicating with maps, or you want to do something more than display pins or overlay kmls, it is not a best choice.