Guerrero Sports Industries is the parent company to many companies such as .400Company Baseball, Phenom Syndicate Clothing,Diamond Edge magazine and The Premier Softball Series. We a company that prides itself on staying on the cutting edge of sports. GSI has changed the way baseball players have looked at training by offering affordable training without having to sacrafice quality. The same goes for all of its companies, no matter what GSI gets involved in it priority is the customers satisfaction before the profit.