Commission new substations, power equipment, relaying (electro-mechanical, solid state and microprocessor), pilot channel equipment (power line carrier, pilot wire, transfer, transfer trip, fiber optic, CVTās, line tuners, line traps, etc.), controls and communications equipment. Founded in 1909, ABM serves over 20,000 clients, with annualized revenue approaching $8 billion and more than 100,000 team members in 350+ offices throughout the United States, United Kingdom, Republic of Ireland, and other international locations.