General Info

Malcolm Pirnie provides environmental engineering, science and consulting services to more than 3,000 public and private clients. The company provides services for water and wastewater treatment, solid and hazardous waste management, air quality control and environmental restoration. Malcolm Pirnie also provides consultation to industries wishing to enhance performance. Its services are utilized by municipalities and states, the federal government, industrial and manufacturing businesses and an array of international clients. The company employs more than 1,300 engineers, scientists, consultants, designers, architects and technical support personnel in more than 40 offices located throughout the United States. Malcolm Pirnie is headquartered in White Plains, N.Y. The company maintains a branch office in Columbus, Ohio.