Ulf Sören Erik Lindstén

PSE I Stockholm AB is a Swedish company that specializes in electrical, plumbing, and building installation work.

Doro Care AB offer social care systems for the elderly and disabled. The firm develops digital products and services. It provides digital security solutions with an alarm trigger. The company is headquartered in Kalix, Norway.

CareTech AB developed and supplied accessories used in care and safety applications and which can be used in its own alarm systems or in combination with other suppliers' products. The company was founded by Jan-Erik Larsson on February 28, 1990 and was headquartered in Falun, Sweden.

The Group's principal activity is the development and supply of application platforms and associated value added services to telecom operators. The Group has two segments, Teligent and Trio Enterprise. Teligent's products and services are based on the P90/E modular platform which increases network usage. Trio Enterprise develops presence management systems and contact centres for enterprise customers. Group's Products and Services include Teligent Application Server, Convergent Applications Portfolio and Professional services. The Group has operations in Great Britain, Spain, the United States, Germany, France, Finland, Brazil, China, Malaysia and Morocco. The Group's major customers include SingTel, TeliaSonera, Vodafone and Maroc Telecom. The Group acquired Trio Enterprise in 2006.