Michael Tessler

BroadSoft, Inc. provided software and services that allow mobile, fixed-line, and cable providers to deliver voice and multimedia services. Its products were BroadWorks, BroadCloud and BroadTouch. The BroadWorks software enables service providers to deliver enterprises and individual consumers with a cloud-based offerings, like hosted IP Centrex, video calling, SIP Trunking, unified messaging, call centers and audio conferencing. The company was founded by Michael Tessler and Scott D. Hoffpauir in November 1998 and is headquartered in Gaithersburg, MD.

Celcore, Inc. manufactures cellular insulating concrete roof systems. The American company was founded by Robert Paul Goodman.

Nortel Networks Corp. supplies end-to-end networking products and solutions serving both service providers and enterprise customers. It designs, develops, engineers, markets, sells, supplies, licenses, installs, services, and supports networking solutions worldwide. The company was founded in 1895 and is headquartered in Mississauga, Canada.

Alcatel-Lucent Holdings, Inc. develops and builds communications networks. It provides equipment, software, and related network services for carriers, service providers, and enterprise customers. The company supplies broadband Internet access products and digital subscriber line (DSL) technology for residential and small business end-users. It is headquartered in Plano, TX.

BroadSoft Finland Oy develops and provides software solutions for the telecommunication sector. It designs state-of-the-art user interfaces and multimedia sharing applications that are optimized for a wide range of communications devices and internet protocol-based communications applications. The company was founded on September 17, 2004 and is headquartered in Helsinki, Finland.

Part of Graphic Packaging Holding Co., Bell LLC (South Dakota) is a manufacturer and supplier of folded carton packaging products. The company is based in Sioux Falls, SD. The company was founded in 1920. Benjamin S. Graham has been the CEO of the company since 2004. Bell LLC (South Dakota was acquired by Graphic Packaging Holding Co. on September 08, 2023 for $262.50 million.

Bai Communications Pty Ltd. designs, builds and operates communications network. It offers broadcasting, telecommunication, online and digital, critical communications, and defense. The company is headquartered in Chatswood, Australia.