User blog comment:Tony 1998/GTA V Had Costed $265 Million to Develop and Market/@comment-2053588-20130909132101/@comment-5376144-20130912015730

Those aforementioned companies are publishers, not developers, both have around 20-30 developers for their games, 2-4 for each series, Rockstar's developers are for each region, not (together) for the entire world.