Hatch Mott MacDonald builds North America's underlying framework. The engineering firm, which is a subsidiary of Mott MacDonald, offers planning, project development, analysis, design, construction management, facility maintenance, and asset management for all types of infrastructure projects in North America. It specializes in tunnels, wastewater systems, pipelines, rail and transit systems, buildings, and utilities. Customers are both private companies and municipalities. The company was formed in 1996 after Hatch Associates of Canada merged with Mott MacDonald. The company has more than doubled in size since the merger and now includes some 70 offices in the US and Canada.