Technology companies established in 1999

defense, security and aerospace company

Chinese state-owned defense company

American life sciences company that provides instruments, software, services, and consumables for the entire laboratory workflow

Canadian Quantum Computing Company

Qcells (formerly known as Hanwha Qcells) is a manufacturer of photovoltaic cells. The company is headquartered in Seoul, South Korea, after being founded in 1999 in Bitterfeld-Wolfen, Germany, where the company still has its engineering offices. Qcells was purchased out of bankruptcy in August 2012 by the Hanwha Group, a South Korean business conglomerate. Qcells now operates as a subsidiary of Hanwha Solutions, the group's energy and petrochemical company.

Mixi (stylized as mixi) is an online Japanese social networking service. It opened in 1999 and is owned by . As of September 2012, Mixi had about 14 million monthly active users, with about 8.6 million of those on smartphones. Mixi, Inc. was founded by Kenji Kasahara in 1999 as a limited liability company and became a Japanese corporation in 2000. The company changed its name to Mixi, Inc. from E-Mercury, Inc. in February 2006 to align its name with the social networking service, and was updated to MIXI, Inc. in 2022. Its headquarters are in Shibuya, Tokyo.

thumb|Logo used while operating under General Electric

Invensys Limited was a multinational engineering and information technology company headquartered in London, United Kingdom. At its height, the company had offices in more than 50 countries and its products were sold in around 180 countries.

company

aerospace and defense subsidiary of BAE Systems in North America

SoftCamp Co., Ltd. () is a South Korean information security company founded in 1999. The company is specialized in Enterprise Digital Rights Management and Content Disarm & Reconstructions

EidosMedia S.p.A. is a publishing software company. Established in 1999, the company maintains headquarters in Milan, Italy with offices internationally. Its main products are used by large media companies and include Méthode, a content management system and Cobalt, a digital delivery framework.