Blue Coat [ http://www.bluecoat.com/ ]
Offers network security and management for your web communications and applications. Accelerate your business applications with WAN optimization.

Free Web Proxy [ http://www.freewebproxy.ws ]
Free Web Proxy .WS is the premier source for secure internet proxy browsing. Browse myspace, facebook, bebo, youtube and more without revealing your identity.

Proxify [ http://proxify.com/ ]
A web-based anonymous proxy service which allows anyone to surf the Web privately and securely.