SMTX Inc, 14610 Main St, Ste 106, Upper Marlboro, MD 20772, US

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.