Which are the analytics compagnies in the us working on c++, R with techniques like GBM, RF in their projects?Which has more research oriented work?

[Jeremiah]

Hello everyone, I would like to ask your help to know which are the analytics compagnies in the us working on c++, r with techniques like gbm, rf in their projects? which has more research oriented work? Please help me, please give me your answer as soon as possible.