interior and exterior power distribution, lighting and controls, emergency and standby power, telecommunications, security, fire alarm, and electric vehicle charging systems. Simes & Rosch Engineering also designs plumbing systems such as drain, waste and vent, water distribution, medical gas, natural gas, fuel oil, compressed air, and vacuum systems. The company conducts power system analysis studies, including short circuit, protective device coordination, motor starting, load flow, and arc flash analysis in accordance with ANSI and IEEE standards. It delivers construction, comprehensive, and retro-commissioning services for mechanical, electrical, and plumbing systems. The firm serves commercial, industrial, institutional, transportation, government, and defense projects.