The riverfront Conshohocken Center offers one of the most desirable business addresses in the thriving Main Line western suburbs of Philadelphia. This prestigious center has stunning river views. The American Standards for Testing and Materials has its headquarters in West Conshohocken. The establishment of many large companies, represents a successful transformation from historic mill town to a modern center of office and hotel services and waterfront development. It is around 15 miles from the center of Philadelphia which has a range of sectors including tourism, financial services, manufacturing and medicine, although healthcare is the largest employer in the city. Philadelphia is also a national center of law and is home to the American Law Institute.