Stephen H. Clark

Part of AT&T, Inc., Vanguard Cellular Systems, Inc. owns, operates and constructs wireless cellular telephone systems. The company is based in Greensboro, NC. The company was founded by Chuck Timothy Hagel. The CEO is Haynes G. Griffin. Vanguard Cellular Systems was acquired by AT&T Corp. /Old/ on May 03, 1999 for $999.96 million.

iPCS, Inc. provided wireless telecommunications services. The firm provided wireless voice and data products and services under the Sprint brand throughout the territory licensed to it by Sprint PCS. The company was founded in 2000 and was headquartered in Schaumburg, IL.

Westcon Group, Inc. provides advanced network technology solutions. It offers OneDefense, OneNetwork, OneWave, ConvergencePoint and SecurityPoint solutions. The company was founded by Thomas Dolan in 1985 and is headquartered in New York, NY.

Syniverse Technologies LLC provides mobile communications services to mobile operators, cable and internet providers and enterprises. It offers connected LTE, intelligent roaming, mobile protection, mobile engagement, mobile reach and revenue management. The company was founded in 1987 and is headquartered in Tampa, FL.

Black Sand Technologies, Inc. provides analog and fabless digital circuits for the wireless industry. It offers BST34 and BST35 series 3G PA products. The firm specializes in advanced power amplifier technology for wireless applications. The company was founded by Dave Pietruszynski, Jim Nohrden, and Susanne Paul in 2005 and is headquartered in Austin, TX.

TireSwing Systems, Inc. operates as a marketing solutions company. It includes marketing tools for firms and website building tool for small and medium-sized businesses. The company was founded in 2002 and is headquartered in New Smyrna Beach, FL.

CTIA-The Wireless Association attracts members in the wireless communications industry and represents their interests to the public. The company was founded in 1991 and is headquartered in Washington, DC.

American Heart Association, Inc. operates a voluntary health organization funded by private contributions. The organization offers services for coronary heart diseases and strokes, high blood cholesterol & physical inactivity, obesity, and diabetes. The company was founded in 1924 and is headquartered in Dallas, TX.

First Midwest Bank operates as state chartered commercial bank. The firm provides the full range of both business and retail banking and trust and investment management services. The company is headquartered in Joliet, IL.

Paragon Wireless, Inc. operates an online mobile store. The firm offers mobile phones and mobile accessories including mobile phone cases, chargers, headsets, and memory cards. It also provides deals, reviews, news, and information about mobile phones; and information about mobile games, music, and DTH services. The company was founded by Gang Wu, Hongqing Yang and Xiaoning He in October 2004 and is headquartered in Richardson, TX.

The Global Technology Distribution Council is a consortium that represents technology distributors who provide solutions through diverse business channels. The non-profit company is based in St. Petersburg, FL. The company was founded by David R. Dukes. Frank Vitagliano has been the CEO of the company since 2019.

AVP Management Services, Inc. (AVP Management Services) is a private equity/venture capital firm firm founded in 1979 by Joseph Charles Aragona, Ken Paul DeAngelis and Jeff C. Garvey. The firm is headquartered in Austin, Texas.

Unify GmbH & Co. KG provides communications software products and services. It offers unified communication for enterprises, which include voice platforms, application, and mobile and soft phone clients. The firm also offers contact centers, which encompass outbound, inbound, cloud contact center, interactive voice response, and workforce management. The company was founded in 2006 and is headquartered in Munich, Germany.

Heartland Alliance for Human Needs & Human Rights is a leading anti-poverty organization that works to advance human rights and promote human dignity by providing services and promoting solutions to achieve a more just society. The non-profit company is based in Chicago, IL, and has subsidiaries in the United States and abroad. The organization provides a comprehensive array of services in the areas of safety, health, housing, education, economic opportunity, and justice, as well as leads state and national policy efforts to create systemic change. Heartland Alliance's social impact research center conducts research that helps leaders create change and advance real-world solutions to poverty.

Unify, Inc. provides communications software solutions and services. It offers managed and professional services, maintenance and support, and security solutions. Its industry solutions include healthcare, financial, public sector, energy utilities, and manufacturing and automotive. The company was founded on October 1, 2008 and is headquartered in Ruskin, FL.

Imagine Communications Corp. engages in the development of audio and video tools for media companies. Its products offer media companies to use every day to inform and entertain audiences around the world. The firm's technology can be found anywhere that media delivery is taking place. The company is headquartered in Frisco, TX.