Four new businesses have joined the West Des Moines Business Incubator. The businesses are Three Razors Media, a marketing and public relations firm founded by Todd Razor; Xstreaming Fitness, a technology solution company for fitness clubs founded by Dave Handsaker; eVizzit, a sales management and marketing consultant for health care businesses founded by Doug Wilson; and SocialWise Media Group, an advertising company founded by Ini Augustine. The incubator will hold an open house and ribbon cutting for the businesses in an event on Oct. 21. It will take place at 4 p.m. at the incubator at 2829 Westown Parkway, Suite 220.