American Water Works Company, Inc. is a wastewater utility company, as measured by both operating revenue and population. The Company operates in two segments: Regulated Businesses and Market-Based Operations. Regulated business provides water and wastewater utility services to residential, commercial, industrial and other customers. Market-Based Operations focuses on Contract Operations Group, Homeowner Services Group and Terratec Environmental Ltd. The Company�s Contract Operations Group enters into public/private partnerships, including operations and maintenance (O&M), and Design, Build and Operate (DBO) contracts for the provision of services to water and wastewater facilities for the United States military, municipalities, the food and beverage industry and other customers.