Bureau design centre COPPA provides office planning and furnishing. Company collaborates with many world wide known office furniture and accessories manufacturers.

Lighting studio Iluminators.

Interior design company, which represents famous Italian furniture and accessories manufacturers and provides furniture categories for all living premises.

Regulations from Cabinet of Ministers. In chapter five there are defined requirements for work chairs (document in Latvian).

Research about sitting habits and how to maintain health of the backbone (document in English).