The list of companies supporting C++ is a bit longer than that, without thinking too much about it, either by ISO contributions or compiler toolchains we have, Microsoft, Facebook, Apple, Google, IBM, NVidia, IBM, ARM, Intel, AMD, HP, Codeplay, Sony, Nintendo, TI, Microchip, PTC, Red-Hat, Bloomberg, Green Hills, among others that I might have forgotten.

Likewise for Java, we have Oracle, Microsoft, IBM, HP, Pivotal, Alibaba, Red-Hat, SAP, PTC, Aicas, microEJ, Ricoh, Azul, Amazon, Google, among others that I might have forgotten.