Business communications company: Polycom Polycom (PLCM)-delisting (1990)

Polycom Polycom, Inc. (NASDAQ: PLCM) was founded in 1990 by Brian L Hinman and Jeffrey Rodman and is headquartered in San Jose, California. It has 3,525 full-time employees. It is a business communications company specializing in the development of high-resolution video conferencing products.


In March 2018, Plantronics announced the acquisition of Polycom for approximately US$2 billion. The transaction was completed on July 2 of the same year, and the latter’s stock was delisted.

Polycom PLCM Logo

Polycom Polycom (PLCM):

Polycom Inc. (Polycom Inc.) is a supplier of video conferencing and audio conferencing, and a leader in global integrated collaborative communications. It is a conference product manufacturer that provides global multimedia communication tools and network systems for communication equipment lines. A basic information conference system manufacturer, providing enterprise users with video, audio, data, and Netcom systems.

Polycom (PLCM) acquisition history:

M&A day

company name

Main business

January 1998


Application video communication system

December 1999

Atlas Communications Engines, Inc

Integrated access equipment and DSL router

February 2001

Accord Networks

Next-generation multimedia (rich-media) network products

April 2001

Circa Communications

IP phone products

October 2001


PC-based video communication system

December 2001

ASPI Digital

installed sound system

June 2002


Web cooperation software

January 2003

VCAS software from AGT

Video scheduling and management software company

January 2004

Voyant Technologies

Voice conferencing and collaboration network solutions company

August 2005

DST Media

China Dingshitong Technology Co., Ltd.

January 2007

Destiny Conferencing

Immersive telepresence company

March 2007

SpectraLink and KIRK telecom

workplace cordless phone

March 2011

Accordent Technologies

Video content management

July 2011

HP Visual Collaboration Business Unit

Visual collaboration business

October 2011

ViVu, Inc.

Video collaboration software

Polycom Polycom (PLCM) investment:

Due to the acquisition by Plantronics , it was delisted in July 2018.

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