Crowd Management Services, also known as CMS, operates as a division of Starplex Corporation. The division specializes in peer group security and safety services. It has been serving clients throughout Oregon for more than 30 years. The company offers a range of guest and crowd management services. Crowd Management Services provides security and management solutions for rock concerts and festivals. It also employs a staff of administrative and other support personnel. Starplex Corporation offers a variety of alcohol management, traffic control and consulting services. In addition, the company provides staffing and recruitment solutions for entertainment and sports events throughout the Northwest.