Alliance Memory, Inc. is a worldwide provider of LEGACY memory products for the communications, computing, industrial and consumer markets. The company supports a full range of 3.3V and 5V Asynchronous SRAMs used with mainstream digital signal processors (DSPs) and microcontrollers; synchronous SRAMS, low-power SRAMs. Alliance Memory also offers Synchronous DRAMs (SDR),DDR1, DDR2, DDR3 and LP mobile DDR products. It is a privately held company with headquarters in San Carlos, California, regional HQ in United Kingdom and Taiwan with regional sales offices in Bulgaria, France, Italy, Sweden, South East Asia/China and Brazil.
http://www.alliancememory.com

Elite Semiconductor Memory Technology Inc.(ESMT),is a Taiwan based memory IC design company ESMT is a fables manufacturer and have a wide product range of (16Mb up to 2Gb) DRAM products. A number of SPI and and NandFlash up to 4Gb complete the product range. Main applications are communication devices, consumer and industry market.
http://www.esmt.com.tw/english/main_products.asp

Fidelix Co,. Ltd., a Korean based fabless company, has focused on developing higher performance yet more cost competitive memory solutions. There focus is on pSRAMs (Async, Burst, and A/D Mux), low power SDRAMs and mobile communication and point-to-point applications.
http://www.fidelix.co.kr

JSC is an innovative, fables supplier for SRAM and low Power pSRAM. They come out of the „KGD“ business where based on there information they are one of the top supplier of Low-Power pSRAM for the MCP-Manufacturer. They started also with the IC business, so that they can supply a range of SRAM, pSRAM and Mobile SDRAM. Advantage: good technology for a good price
http://www.jeju-semi.com