LA Fitness is a privately-owned United States-based health and fitness club chain that boasts over 800 clubs throughout the United States and Canada. Major ownership interests are held by private firms and they are unaffiliated with international companies of the same name. Founded in 1984, LA Fitness opened its first location in Los Angeles, California. Throughout the 1990s LA Fitness grew by acquiring many less successful fitness clubs in Southern California and used them to open and operate new branches. The expansion of the brand was swift with more than 180 clubs added between 2006 and 2009. It is now headquartered in Irvine, California.