Barry Purkis

IPC Network Services, Inc. provides voice and data services to the financial services industry. The company is based in Albany, NY and has subsidiaries in the United Kingdom.

Madge Ltd. was a supplier of networking product solutions. It used to provide a complete scalable family of enterprise grade wireless products that provide full wireless security and manageability for enterprise networks. Those products can be integrated into enterprise token-Ring, ethernet and gigabit speed networks. The company was located in Maidenhead, LO.

British Telecom Plc provides telecommunication services. It offers broadband, phone lines, mobile phones, and IT services. The company offers telecom products and services for commercial purpose. British telecom is headquartered in London, UK

BT Holding KK is a private group led by Mr. Hiroshi Suzuki and Takashi Suzuki.

IPC Systems, Inc. engages in the provision of integrated communication and network services. It offers global financial connectivity, exchange information, and mitigating risk solutions. The company was founded in 1973 and is headquartered in Jersey City, NJ.