PHOTOGRAPHIC STUDIES, PORTRAIT (SIC 7221) Establishments primarily engaged in still or video portrait photography for the general public. Included in this classification are school, home, and transient portrait photographers. Establishments primarily engaged in commercial photography are classified in Industry 7335; those primarily engaged in video tape production other than portrait are classified in Industry 7812; and those primarily engaged in film developing and/or print processing for the trade or for the general public are classified in Industry 7384.