Security Equipment Inc. (SEi), previously Strauss Security, located at 4663 121st St, in Urbandale, IA, is a full-service security company specializing in a variety of residential and commercial fire and intrusion alarm systems for Des Moines and throughout the Midwest. In addition, SEi provides access control and video surveillance as well as other integrated services. SEi operates and owns a Five Diamond certified, UL-listed Monitoring Center that provides 24/7 monitoring services.