Micromem (OTCMKTS:MMTIF) develops magnetic-based sensors, based on spintronics technologies.
The company used to develop MRAM devices, but it seems that it is now entirely focused on its sensors business.
IBM is one of the largest technology companies in the world, involved in hardware, software, services and research. IBM has produced more research breakthroughs than any other company in the IT industry.
US-based Grandis was established in 2002 to develop STT-MRAM technologies.
Grandis collaborated with Renesas and Hynix, and was acquired by Samsung in 2011 (in what was considered a very successful exit for its investors). Grandis raised $15 million since it was founded in 2002, and also raised about the same from DARPA grants including a $8.6 million second-phase project granted in June 2010.
Crocus Technology, headquartered in Grenoble (France) with operations in the US and France, develops spintronics-based technologies.
Crocus used to develop MRAM technology, developed in the Grenoble-based Spintec research center, but in recent years Crocus Technology changed its focus on magnetic sensors.
NVE (NASDAQ:NVEC) is a US-based company that develops spintronics devices. NVE is mostly focused on spintronics-based sensors and couplers, but is also developing MRAM technology.
NVE licensed its technology to Motorola, but has no current claims on Everspin's MRAM tech. The company is currently developing anti-tamper MRAM technologies.