We serve your legal documents to United States Corporation Agents, Inc. Serving a business with a lawsuit is not as easy as it appears. Most people do not realize that you cannot just walk into a business and serve any employee with legal documents. In order to render proper service of process, the registered agent must be served. United States Corporation Agents, Inc. is a Registered Agent located at: 500 N Brand Blvd. Ste. 890, Glendale, CA 91203