General Electric Company - GE
General Electric 40W light bulb.
"Charles Proteus Steinmetz, already a distinguished industrial scientist, was hard at work as GE's chief consulting engineer. After years of persuasion, Steinmetz convinced the GE leadership that the company would need a research laboratory to maintain its edge in lighting and electricity and also finding new areas to grow." - Heritage of Research

Charles Proteus Steinmetz He made ground-breaking discoveries in the understanding of hysteresis that enabled engineers to better design electric motors for use in industry.