Major SAS/SATA adapter manufacturers are Promise Technologies, Adaptec, HP, QLogic, Areca, LSI and ATTO Technology.
Much of the current work on TOE technology is by manufacturers of 10 Gigabit Ethernet interface cards, such as, Intilop corporation, Broadcom, Chelsio Communications, Emulex, LeWiz Communications, Mellanox Technologies, Neterion Technologies, QLogic and Tehuti Networks Ltd.