I'm not sure they are exactly hidden. I'd consider them household names. BASF and Bayer are larger, Dow and DuPont are roughly the same same size as Monsanto, a

I'm not sure they are exactly hidden. I'd consider them household names. BASF and Bayer are larger, Dow and DuPont are roughly the same same size as Monsanto, and Sysgenta is slightly smaller. In hindsight, it would have probably been better to say that Monsanto is a medium sized business, relatively speaking, in that agriculture space.