Brocade/Foundry

IP/Ethernet Products: http://www.brocade.com/forms/getFile?p=documents/stencils/Visio_IP_Product_Stencils.zip
SAN Products: http://www.brocade.com/forms/getFile?p=documents/stencils/Brocade_Visio_SAN_Stencils.zip

Dell

http://www.dell.com/content/topics/topic.aspx/global/products/pvaul/topics/en/visio?c=us&cs=555&l=en&s=gen

Juniper

http://www.juniper.net/us/en/products-services/icons-stencils

3com

http://www.3com.com/corpinfo/en_US/pressbox/resources/visio_icons.html

HP

http://www.visiocafe.com/hp.htm

Avaya

http://support.avaya.com/css/appmanager/public/support?_nfpb=true&_pageLabel=WNContent_Public&contentid=C20097681410857094

Mirror 1 [networkshapes.com]

Nortel

http://products.nortel.com/go/visioicon_index.jsp

Cisco

http://www.cisco.com/en/US/products/prod_visio_icon_list.html

TippingPoint

http://www.tippingpoint.com/img/presskit/TippingPoint_1009.zip

Mirror 1 [networkshapes.com]