John Daniel O'Donnell

Transaction Network Services, Inc. provides payments, financial services, and telecommunications solutions. It offers managed processing services, security, global connectivity, identity and protection, and market data. The firm provides services to many organizations in the global payments and financial communities, as well as a provider of extensive telecommunications network solutions to service providers The company was founded by John J. McDonnell, Jr. in 1990 and is headquartered in Reston, VA.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Advam (UK) Ltd. develops parking payment solutions. The company was founded on January 21, 2014 and is headquartered in Manchester, the United Kingdom.

TNS, Inc. provides networking and data services. It offers payment, financial and telecom solutions. The company was founded by John J. McDonnell Jr. in 1990 and is headquartered in Reston, VA.

Transaction Network Services (UK) Ltd. provides data communication services for transaction-oriented applications. The company was founded on July 26, 1994 and is headquartered in Sheffield, the United Kingdom.

Founded in 1998, TNS Transxpress Holding Co. UK Ltd. is a holding company that provides communication services through its subsidiaries. The company is based in Sheffield, UK and is part of TNS, Inc.

Software Aspects, Inc. provides secure commerce solutions. It specializes in the development, certification, and deployment of secure commerce solutions. The firms software products include Commerce Lab, and Commerce Marketplace unites software companies, service providers and distribution channels in a private-labeled end-to-end network delivering access to commerce services. The company was founded by Alfred Kahn IV and David S. Johnson in 2005 and is headquartered in Denver, CO.

Competitive Carriers Association operates an association that represents rural wireless telecommunications. The non-profit company is based in San Antonio, TX. Tim Donovan has been the CEO of the company since 2023.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.