Maitra Associates, P.C.

Services include engineering design and construction administration for New and Existing Facilities, Laboratories, Institutional and Correctional Facilities, Offices, Restaurants, Schools, Airports, Health Facilities, and Historic Structures.

With over a century of pioneering expertise, this Manhattan-based firm tackles the city's most challenging foundation and geotechnical engineering projects, from complex urban sites to innovative waterfront structures.

CDM is a consulting, engineering, construction, and operations firm delivering exceptional service to public and private clients worldwide.

This Manhattan-based engineering firm shapes the infrastructure that powers modern cities—from transit systems and power grids to water networks and buildings. With nearly 140 years of expertise, they tackle complex projects across transportation, environmental, and urban development, guiding communities from initial planning through long-term operation.