How do i change my email address in cph central? Your email address is your username in CPH Central. To change it, please submit the request here. To update your name or other contact information, log in to CPH Central and click your name in the upper right corner, then select ‘Profile’. Can I reschedule my exam?How long has cph been in business? For over 35 years CPH has provided planning, evaluation, design, and permitting services to clients for Utility Systems. CPH has designed over 40 treatment plants that include advanced treatment systems as well as “sustainable” systems.What is concordia publishing house cph? The publisher of the Lutheran Church—Missouri Synod, Concordia Publishing House (CPH) has more than 8,000 products for all your ministry needs. Toggle navigation Our Philosophy