CDM is a consulting, engineering, construction, and operations firm delivering exceptional service to public and private clients worldwide.Since 1947, we have been providing innovative solutions developed through strong client relationships of mutual trust and respect and a commitment to quality and integrity. From a three-person firm in Cambridge to today's staff of more than 3,600 worldwide, CDM has grown and diversified with our clients' needs in mind. Our mission is to reach one goal yours by providing the right total solutions.