Shamrock Shredding, LLC. Shamrock Shredding is an on-site document and hard drive destruction company. We come to you and provide the most secure and economical means of disposing your paper documents and hard drives. We offer both scheduled service and one time purge service. Shamrock Shredding is the only Greensboro based company of its kind giving us a unique advantage over our competitors. The fact that we are small and located in Greensboro gives us the flexibility to adjust our service to better meet your needs. Your security is our 1 goal. We are reliable, fast and friendly. We recycle everything we destroy thereby helping to protect the environment.