SK Hynix Semiconductor is a global memory supplier producing a range of DRAM and flash memory chips. Hynix has an active MRAM research program, in collaboration with Grandis, Samsung and Toshiba.

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.

Imec is a Belgium-based nanoelectronics research institute with over 2,000 employees and R&D teams in Belgium, Holland, china, Taiwan and India.

Infineon designs, develops, manufactures and markets a broad range of semiconductors and complete system solutions targeted at selected industries.

Infineon develops MRAM technologies in collaboration with IBM.

Integral Solutions Int, (ISI) is a privately held US-based company that supplies Quasi Static Testers for characterizing Magneto-Resistive type heads.

ISI's product suite includes QST testers for every stage of manufacturing. ISI says that about 85% of the entire head production for the HDD industry is being tested on ISI's equipment.

Intel is the world largest chip maker, and also manufactures networking, memory and communications products.

Intel is researching several next-generation memory technologies including MRAM memory, although it currently seems focused on its 3D XPoint memory.

Jiangsu Leuven Instruments was established in 2017 by Leuven Instruments of Belgium and the Institute of Microelectronics of the Chinese Academy of Sciences. The company develops and produces semiconductor etching equipment and process development equipment, especially for magnetic material etching technology.

Magnetic Solutions (MSL) was a global supplier of high field magnetic annealing tools to the semiconductor and data storage industries.

The company's (Magnetic Annealing Tool Technology (MRT) is used in volume production of thin film heads for data storage, and in development lines for MRAM, magnetic sensors and emerging magneto-electronic applications.

MagOasis, founded in 2006, provides design/analysis software applications and services for the information-storage and allied industries covering magnetic recoding heads, MRAM, Magnetic nanostructures devices, graphene, sensors and more.

Founded in 2004, MagSil Corporation developed MRAM technology using industry-proven equipment, processes and materials. MagSil had an exclusive license to an MIT-developed technologies, including one for HD heads (the company filed suits against Seagate, Hitachi, Western Digital and others, and have settled with most).

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.

MicroSense (previously known as ADE Technologies) designs precision capacitive position sensors and vibrating sample magnetometers for magnetic measurement.

Mountain Scientifics Inc (MSI), established in 1998, provided wafer level testing solutions for MRAM, magnetic sensors and magnetic head wafers.

The company's QSW-Gen3 (initially released in 1999) product was a Quasi-Static Wafer tester product for STT-MRAM and HDD devices.

The company no longer seems to be in business.

MRAM-Info, launched in 2004 and based in Israel, is a knowledge hub and web publication focused on MRAM technologies.

MRAM-Info provides news, resources and services to the MRAM industry and is considered to be the leading MRAM publication.

The NEC Group focuses on two core areas of business: integrated IT / network solutions and semiconductor.

Northern Lights Semiconductor Corporation was established in 2003 in the US to design and manufacture high-density EMRAM (ElectroMagnetoresistive RAM) chips.

Numem (previously NVMEngines) is a US-based early stage company that develops high-performance, low-power embedded STT-MRAM IP cores for the IoT, micro-controller and automotive markets. Numem says its memory enables a 2-3x smaller memory area and 20x to 50x lower standby power compared to SRAM.

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.

Qualcomm, based in the US, is a global semiconductor company that offers digital wireless telecommunications products and services.