Frank H. Hartwig

The SD Association is a group of companies that establish memory card standards for consumer electronics, such as mobile phones. The private company is based in San Ramon, CA. The company's goal is to simplify the use and extend the life of these devices for millions of people.

CDA GmbH manufactures optical storage media products. It offers CD's, DVD's, Blu-Ray's and high definition printing services. The firm's products include micro-optics and microfluidics, besides printable electronic circuits. Its elements are made of different plastics used in mechanical engineering, automotive industry and consumer electronics. The company was founded in 1994 and is headquartered in Suhl, Germany.

CDA Invest GmbH is an investment holding German company. The private company is based in Suhl, Germany. The CEOs of the company are Frank H. Hartwig, André Keller.