Julio Rodriguez, National Sales Manager of International Systems of America, is interviewed by a Grant, a big fan of ISA, that Julio discovered on YouTube while researching social media. See why ISA is a company with great solutions and a big heart. ISA SOLUTIONS — ARE WORK IN ACTION. With over 80 employees, ISA takes great pride in their extensive product and service offerings for fire, energy, security and communication systems. ISA’s solutions make a real difference for their customers, again and again —- helping to solve critical issues and keep vital systems in operation. ISA is always there, with focus and dedication, to deliver your solution!