Since 1988, the company L-E-D GmbH has been acquiring wide-ranging experience in the field of EI&C personnel placement. Together with Jürgen Peil, executive managers Dirk Lange and Dirk Nattkemper identified the needs and wants of their customers and established the cosos GmbH. As a result, the company is able to rely on more than 25 years of industry expertise, seasoned staff, and trained specialists in order to operate in the sectors of consulting and project planning, construction and production, documentation, as well as installation services for EI&C technology.