Commercial heavy duty paper shredders accommodate the shredding needs of entire departments or office floors. If you have large volumes of paper to shred every day, a heavy duty commercial shredder will make easy work of it, handling up to 140 sheets of paper at once. These can be used as commercial purpose where there are huge amount of data should be shred.These commercial quality, heavy duty paper shredders easily shred staples and paper clips and many strip cut models also destroy CDs, credit cards and floppy disks. With high volume waste baskets, commercial paper shredders eliminate frequent bag changes. Some models, have hoppers and conveyor belt feed assemblies that can handle an entire waste basket of paper at once.

some good commercial paper shredders are

Kobra 240 SS5 Multimedia Paper & CD Shredder
GBC Shredmaster GLM11 Micro-Cut Paper Shredder
HSM 386.2 Strip Cut Paper Shredder
Fellowes C-320 Strip Cut Paper Shredder and powershred
HSM 386.2CC Cross Cut Paper Shredder
Dahle 20614 EC Cross Cut Paper Shredder

etc

the cost range for these kind of shredders are $2,000 to $2500.That varies basis on company to company and the functionalities or specifications and shred size.These can shreds up to 11-30 sheets per pass.These all are commercial and heavy duty paper shredders.