Gateron • Gateron rocked the keyswitch and keycap markets by introducing high quality Cherry MX switch clones and PBT keycaps.
IBM • The popularity of keyboards and switches of the IBM of yesteryear is stronger than ever, due to the lasting quality and also thanks to various great projects.
Matias • Matias is one of the most innovative companies in the business, and continues to innovate in switches and keyboards, such as the Matias Ergo Pro.
Topre • Topre are the makers of some of the finest keyboards today, and they continue to innovate and produce new stuff to keep us enthousiasts happy.
And the Wingnut for Best keyboard company or brand 2015, as voted for by the members of deskthority, goes to...