Underground mining equipment manufacturer offers continuous miners, longwall systems, bolting systems, and haulage systems.
http://www.joy.com/

Joy is an emotion of great happiness. Joy may also refer to: Surname. Alfred Harrison Joy, American astronomer (d. 1973) Bernard Joy, English footballer (d.1984) Bill Joy, Computer ...
http://en.wikipedia.org/wiki/Joy

Gay and Lesbian community Radio station in Melbourne.
http://www.joy.org.au/

noun . 1. the emotion of great delight or happiness caused by something exceptionally good or satisfying; keen pleasure; elation: She felt the joy of seeing her son's success.
http://dictionary.reference.com/search?q=joy

USA. Manufacturer of teaching and game carpets and rugs from nylon fiber.
http://www.joycarpets.com/