Operational since 1964, John W. Ritter Trucking is one of the largest mail contractors in the Middle Atlantic States. The company offers on-time delivery services to the U.S. Postal Service. It is a business unit of Semi-Express, which is a provider of transportation solutions. Semi-Express offers a range of local, regional and national truckload, fleet and transportation management services to customers in the electronic, beverage, food, paper, retail, manufacturing and consumer goods industries.

Phone: (410) 880-4333