Tri-State Maintenance, 585 Forest St, Orange, NJ 07050, US

Preferred Building Services is one of the leaders in building maintenance services throughout the Eastern United States. The company provides customers and company buildings with some of the best janitorial services. Its offices are located along the east coast throughout New York, New Jersey, Pennsylvania and Florida. Preferred Building Services corporate headquarters are located in Kearny, N.J. The company has a complete line of janitorial services for businesses, industry and academia. Its staff of more than 500 people cleans nearly 5 million square feet every day. Preferred has much experience in providing general cleaning, porter, construction cleaning, industrial cleaning, laboratory support and window cleaning services. Preferred Building Services branch in Kearny employs nearly 370 people.