Northbrook is a contractor based in Westchester, New York, specializing in heavy construction and union sitework. Originally serving just Westchester County, they eventually expanded to include much of NYC, as well as Connecticut. They work on residential projects, from single family homes to multi-unit developments to high rise urban projects, as well as industrial and commercial projects, including supermarkets, school districts, and more. They do site development, harden physical security measures, and implement green infrastructure to decrease buildings’ carbon footprints. They also do outdoor projects, such as building retaining walls for soil support, and site utilities such as sewage, water drainage, and trenching for gas, electric, and other utilities.