I've used tools from the companies below; all of the following offer quality tools, including (coax) cable strippers.
PPC SDT596-250 Single Drop Trimmer (for RG59 and RG6 series cable)
http://www.ppc-online.com/products/drop/tools_access/tools.php
http://www.ripley-tools.com/tools.php?tool=SDT&category=Drop
or
PPC UDT59611-250 (for RG59, RG6 and RG11) or
PPC UDT596711-250 (for RG59, RG6, RG7 and RG11)
http://www.ppc-online.com/products/drop/tools_access/tools.php
http://www.ripley-tools.com/tools.php?tool=UDT&category=Drop
http://www.arrisi.com/product_catalog/listers/index.asp?id=319
http://www.icmcorp.net/CablePro.htm