TCO Development is owned by TCO, the Swedish Confederation of Professional Employees. TCO Development aims to create the conditions for a good work environment at the office workplaces by developing quality certification and environmental labeling systems for office equipment and systems for the assessment of office work environments.TÜV Rheinland Taiwan Ergonomics Laboratory is the first laboratory in Asia accredited by SWEDAC and authorized to conduct these tests by TCO.

TCO'95 The basic principle of TCO '95 is for you as a user to have a better work environment. The last date to apply for certification according to TCO'95 will be December 30th, 2003. The application must be complete and received by TCO Development no later than this date.

TCO'99

TCO '99 is the quality certification and environmental label. It covers CRT displays, flat panel displays, computer units, keyboards, and portable computers.TCO'99 concerns: visual ergonomics, emissions, energy saving, electrical safety, ecology, etc.TCO '99 is a revised version of TCO '95 in which the requirements have been made stricter and a number of new ones have been added. TCO '99 was introduced in October 1998.

TCO'03
TCO '03 is the fourth labeling standard from TCO Development. It is a revised version of TCO '99 in the sense that its requirements cover the same products. The areas in which requirements have been set are the same, but the requirements have been made stricter and a number of new requirements have been added. TCO '03 was introduced in November 2002.