HB Global is the employee-owned holding (parent) company that provides support to seven operating divisions: HB McClure and I ... T Landes in Pennsylvania, HB Home Services in the Mid-Atlantic, Nash Plumbing & Mechanical, Willam R. Nash in Florida, North Shore Mechanical in Massachusetts, and Spectrum Mechanical in Arizona. HB Global companies are leading their markets in HVAC, plumbing, and electrical in both service and construction. read more