For over a century, the world's most ambitious skylines have risen on the foundation of engineering excellence that transforms architectural vision into living reality. Jaros, Baum & Bolles (JB&B) exists to engineer the complex mechanical, electrical, and plumbing systems that make modern life possible in iconic structures like One World Trade Center, Hudson Yards, Willis Tower, and the Bank of China Tower. Since 1915, JB&B has been the invisible force behind buildings that define cities - ensuring millions of people can work, live, and thrive in environments that are safe, sustainable, and technologically advanced. The firm completed more than 14,000 projects, including the first fully air-conditioned large building in New York.
Today, JB&B is pioneering the next evolution of building engineering by driving decarbonization and sustainability in the built environment. Having joined Trinity Consultants in 2025, the firm now combines deep MEP expertise with acoustic design, facility operations, commissioning, and technology strategy to deliver integrated solutions that address the climate crisis head-on. Through their Deep Carbon Reduction Group and commitment to sustainable innovation, JB&B is engineering buildings that perform better, last longer, and contribute to a net-zero future - proving that responsible engineering and groundbreaking achievement are not opposing forces, but essential partners in shaping the world of tomorrow.