Check Communications Limited company was established in 1990 by managing director Geoff Wellings. Computer telephony systems. Check. High-speed data delivery services. Check. Systems maintenance. Check. Or more specifically, Check Communications. The company distributes, installs, and maintains telecommunications systems for such businesses as auto dealers, retailers, and utilities providers. Services include systems design, project management, and on-site maintenance for voice and data communications equipment, as well as audio visual and video surveillance gear. Check Communications supplies products from such manufacturers as Aastra and Inter-Tel.

Microwave Instrument Technologies was spun off from Scientific-Atlanta in 1997. The company has offices in the UK and US, and sells its wares worldwide. Microwave Instrumentation Technologies, doing business as MI Technologies, makes equipment used to test microwave and satellite communications systems, as well as radio transmitters and radar systems. The company also offers microwave instruments (receivers, signal sources) and components (antennas, mixers, multiplexers, parabolic reflectors), along with precision motion and positioning products. Its products are used in automotive telematics, communications, and other automated test equipment applications.

Spot Mobile International Ltd. distributes prepaid phone cards, mastercards, cable TV, and Internet. The company uses Point Of Sale Activation (POSA) terminals to access and distribute PIN numbers. It distributes brand products such as LOCO Wireless, Verizon, AT&T, Airvoice, Liberty Wireless, Call Plus, JusTalk, Zell Phone, T-Mobile, Locus, and STI Mobile. Spot Mobile International Ltd. was formerly known as Blackbird Corporation and changed its name in February, 2010. The company is based in Miami Beach, Florida.

Adesta in headquartered Omaha, Nebraska, Adesta LLC was founded in 1988 as Kiewit Network Technologies by Peter Kiewit Sons', Inc. In 1992 the company became MFS Network Technologies and changed its name to Adesta in 2002.Today, Adesta is a G4S Technology company and managed by executives from the telecommunications, construction and security industries. Adesta is a leader in providing innovative turnkey solutions for advanced communication networks and security systems.

United States Cellular takes calls from sea to shining sea. Doing business as U.S. Cellular, the company provides wireless phone service to about 6 million customers in more than two dozen states in the US, largely in the Midwest and the South, where it has nearly 4 million customers. Its products and services -- marketed directly, through the Internet, and from about 400 retail stores -- include mobile messaging, prepaid calling, international long distance, mobile Internet, and directory assistance. U.S. Cellular service is also sold through contracts with resellers. The company offers phones from HTC, LG Electronics, Research In Motion, and Samsung Electronics, among other vendors.

AMIMON offers a wireless alternative for those who hate the hassle of wires and snakes. The fabless semiconductor company makes modules and chipsets that enable wireless transmission between high-definition video and audio sources and consumer electronic displays, such as DVD players, LCD and plasma TVs, gaming consoles, and multimedia projectors. AMIMON's uncompressed wireless link boasts the same functionality and quality as a wired link. Manufacturers such as Sharp use AMIMON's technology in LCD TVs that are sold in Japan. The firm has also joined forces with Belkin to develop wireless home theater setups.

Momentum Telecom knows that for businesses, or personal relationships, to build up enough steam to succeed, they need to stay connected. The competitive local-exchange carrier (CLEC) provides local and long-distance telephone service to about 150,000 residential (under the Family brand) and business (under the Edge banner) customers primarily in nine southeastern US states. Its data services include dial-up Internet access for residential subscribers and broadband Internet service for businesses; Momentum also offers digital voice service for corporate clients. Top customers have included regional communications provider NexHorizon Communications which resells Momentum digital voice service under its own brand.

Onvoy Voice Services is a wholly-owned subsidiary of Zayo Group Holdings, Inc. After the divestiture of AT&T MEANS was started by a consortium of Independent Local Exchange Carriers to connect Independent LECS to long-distance carriers and later became Onvoy. Onvoy has been offering a full suite of wholesale services to wireless, wireline, cable and broadband telephone companies since 1992.Onvoy Voice Services is headquartered in Minnesota and offers telecommunication services across the country.

The Great Dane of telecom, TDC is the leading telecommunications network operator in Denmark. The company provides wireless, domestic local and long-distance landline, international, Internet, and cable television services to about 12 million consumer and commercial customers. TDC's international holdings include stakes in telecommunications companies in the Nordic region, but the bulk of sales are made in Denmark. The company serves 3 million customers in Switzerland (its second largest market in terms of sales) through its Sunrise Communications subsidiary. Investment group Nordic Telephone Company owns 88% of TDC; Nordic Telephone Company is a subsidiary of Luxembourg-based Angel Lux Parent.

VegaStream is a provider of VoIP gateway devices that businesses and communications service providers use to deploy and manage telephony services over their networks. Its line of Vega digital gateways are used to connect telephone switchboards to data networks. Customers include Orbitel, Primus Communications, and the US Navy. VegaStream company was established in 1998 and has received funding from capital investors, including MTI Partners and VegaStream management.

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