Elecsys Engineering Group, Pllc

ELECSYS Engineering Group, PLLC is a full-service mechanical, electrical, plumbing, fire protection (MEP/FP) and systems engineering firm delivering integrated solutions for public infrastructure and the built environment. Headquartered in Valhalla, NY, with an office in New York City, we partner with public agencies and A|E|C teams as engineer of record or specialty subconsultant—bringing coordinated, constructible designs and dependable long-term performance. Our services span electrical engineering (medium- and low-voltage distribution, lighting, emergency/standby power, and power system studies), mechanical (HVAC), plumbing, and fire protection engineering, plus controls, communications, and integration for critical infrastructure—fire alarm, security, SCADA, traction power, industrial networking, and system integration. We also support commissioning, life safety, energy performance, and digital delivery/BIM. Markets served include rail and mass transit, water and wastewater, utility and power, highways and tunnels, industrial and municipal facilities, buildings and campuses, and aviation. Licensed to provide professional engineering services in New York State, ELECSYS is certified as an MBE, DBE, and SBE. We are known for technical excellence, practical field awareness, and responsive client service.