Cresttek is a member of the Alten Group of companies. Cresttek operates offices in Ohio, Michigan, India, and Mexico.
ALTEN operates as a technology consulting and engineering company worldwide. It provides design and research projects for the technical and information systems divisions in the industrial, telecommunications, and service sectors. It is engaged in the studies and conception of technological products for technical divisions. The company also provides networks and telecoms architecture, as well as develops IT systems for information systems departments.ALTEN serves aerospace, telecom, automotive, defense and security, multimedia and electronics, energy and life sciences, tertiary and finance, rail and naval, and other industries.