Document Disintegration, Inc. (DDI) is a document security company operating since 1965. Our primary security methodology is shredding paper, although we also offer incineration as a means to destroy documents and products. As one of the oldest shredding companies in Los Angeles, DDI guarantees satisfaction with a strong reputation for performing its service by using only bonded personnel and a secure facility to protect the confidentiality of your material.. DDI has destroyed DoD classified documents, Homeland Security material, non-classified proprietary documents and sensitive products including new 52” flat high definition televisions for the manufacture. We make it our business to protect your. Call us at (800) 300-8222.