About Us. A&D Technology is headquartered in Ann Arbor, MI, and is a global provider of automotive, battery, and eMobility testing and development solutions for simulation, control, automation, calibration, prototyping, analysis, and lab management. Our software and hardware testing solutions include: BMS/Motor/Engine HILS Systems, Tire & Emissions Testing Equipment, Vehicle Measurement Systems, Combustion Analysis, Dynos and Controllers, and mor...