Proshred Security 1550 Caton Center Dr, Halethorpe, MD21227 PROSHRED, a document destruction service, was founded more than 20 years ago as a mobile and on-site paper shredding…More company. PROSHRED enables companies to maintain secure, convenient and cost-effective methods to destroy and recycle confidential documents and materials. The company is ISO 9001 certified. PROSHRED offers shredding services to residential, businesses and government entities in the following counties: Anne Arundel; Baltimore; Caroline; Carroll; Cecil; Dorchester; Harford; Howard; Kent; Queen Anne's; Somerset; Talbot; Wicomico; and Worcester. To receive a copy of the company's newsletter, request an estimate or to find shredding locations, please go to the Web site.