Embedded Wifi Websites
GainSpan - Low Power Wi-Fi Modules and Embedded Software
GainSpan designs ultra low power Wi-Fi module for battery-powered embedded WiFi applications
2,229,025 
$ 240.00
WIZnet : Internet Offload Processor Provider
WIZnet provides IOP (Internet Offload Processor) that is optimized for IoT. Its TOE (TCP/IP Offload Engine) is un-attackable, stable, and most effective.
1,544,804 $ 480.00