Apple Inc. is an American multinational corporation that designs and sells consumer electronics, computer software, and personal computers. The company's best-known hardware products are the Macintosh line of computers, the iPod, the iPhone and the iPad. Its software includes the Mac OS X operating system; the iTunes media browser; the iLife suite of multimedia and creativity software; the iWork suite of productivity software; Aperture, a professional photography package; Final Cut Studio, a suite of professional audio and film-industry software products; Logic Studio, a suite of music production tools; the Safari web browser; and iOS, a mobile operating system.

BlackBerry is a line of mobile email and smartphone devices developed and designed by Canadian company Research In Motion (RIM) since 1999. BlackBerry devices are smartphones, designed to function as personal digital assistants, portable media players, internet browsers, gaming devices, and much more. They are primarily known for their ability to send and receive (push) email and instant messages while maintaining a high level of security through on-device message encryption. BlackBerry devices support a large variety of instant messaging features, including BlackBerry Messenger.

HTC Corporation formerly High Tech Computer Corporation is a Taiwanese manufacturer of smartphones and tablets. The company initially made smartphones based mostly on Microsoft's Windows Mobile operating system (OS) software, but in 2009 it began to shift its core focus away from Windows Mobile devices to devices based on Android OS, and in 2010 to Windows Phone OS as well. HTC is also a member of the Open Handset Alliance, a group of handset manufacturers and mobile network operators dedicated to the advancement of the Android mobile device platform. The HTC Dream was the first phone on the market to use the Android mobile device platform.

LG Electronics is a global electronics and telecommunications company headquartered in Korea. The company operates its business through five divisions: mobile communications, home entertainment, home appliance, air conditioning and business solution. LG Electronics is the world's second-largest manufacturer of tv sets and third-largest producer of mobile phones. It is a flagship subsidiary company of LG Group, one of the world's largest electronic conglomerates. The company has 75 subsidiaries worldwide that design and manufacture televisions, home appliances, and telecommunications devices. Its mobile communications division provides mobile communication terminals, personal computers and communication devices.

Motorola, Inc. was an American multinational telecommunications which was eventually divided into two independent public companies, Motorola Mobility and Motorola Solutions. Motorola Solutions is generally considered to be the direct successor to Motorola, Inc., as the reorganization was structured with Motorola Mobility being spun off. Motorola's wireless telephone handset division was a pioneer in cellular telephones. It pioneered the "flip phone" with the MicroTAC - and, the "clam phone" with the StarTAC - in the mid-1990s. It had staged an enormously successful resurgence by the mid-2001s with the RAZR. Lately, it has focused on smartphones using Google's open-source Android mobile operating system.

Nokia Corporation is a multinational communications corporation that is headquartered in Finland. Nokia manufactures mobile electronic devices, mostly mobile telephones and other devices related to communications, and in converging Internet and communications industries. It was the world's largest manufacturer of mobile phones in 2011. Nokia offers Internet services such as applications, games, music, maps, media and messaging through its Ovi platform. Nokia also provides free-of-charge digital map information and navigation services through its wholly owned subsidiary Navteq. On 11 February 2011 Nokia announced a partnership with Microsoft.

Samsung Group is a South Korean multinational conglomerate corporation. It comprises numerous subsidiaries and affiliated businesses, most of them united under the Samsung brand. Notable Samsung industrial subsidiaries include Samsung Electronics (the world's largest information technology company measured by 2010 revenues). Samsung Electronics is the flagship subsidiary of the Samsung Group. With the Galaxy S model mobile phone, Samsung’s smartphone lineup has retained the second-best slot in the world market for some time. In competition to Apple's iPad tablet, Samsung released the Android powered Samsung Galaxy Tablet.

Sony Mobile Communications AB (formerly Sony Ericsson Mobile Communications AB) is a multinational mobile phone manufacturing company headquartered in United Kingdom and a wholly owned subsidiary of Sony Corporation. It was founded on October 1, 2001 as a joint venture between Sony and the Swedish telecommunications company Ericsson. Sony acquired Ericsson's share in the venture in January 2012. In 2009, it was the fourth-largest mobile phone manufacturer in the world (after Nokia, Samsung and LG). By 2010, is market share had fallen to sixth place.

GSMArena.com is one of the most comprehensive and up-to-date mobile phone information resources. GSMArena.com can help you choose a mobile phone. You can see the phone features, compare it against other phones and get some user opinions. They offer their visitors some unique features, which keep them returning again and again. GSMArena is not a store.

RSI Video Technologies is a French company and the manufacturer of Videofied, a wireless alarm system that sends a short video clip over 3G/4G cellular or Ethernet to a 24/7 professional monitoring station for immediate verification and review of the alarm+video, allowing an immediate dispatch to law enforcement for a verified crime.