Crosstree, Inc, 1906 N Milwaukee Ave, Chicago, IL 60647, US

Wight & Co., located in Darien, Ill., offers solutions in the fields of architecture, civil engineering, construction, environmental, sustainable design and technology. The company s land surveyors are trained in horizontal and vertical location and the legal issues regarding property rights. Its engineering division has links with many states, counties, townships, education and private sector clients. The company s construction division has been providing designing and building services, construction management, facilities assessments, and program and project management. It also provides professional environmental consulting and engineering services in the areas of hazardous materials, regulatory compliance, and workplace health and safety.