If you consider 10Gbps packet captures cards, there are :
-2 OEMS (all the appliances are built around these)
a) Napatech NT20E
http://www.napatech.com/products/capture_adapters/2x10g_pcie_nt20e.html
b) Endace DAG 9.2X2
http://www.endace.com/dag-9.2x2-packet-capture-card.html
-3 ODMs
a) INVEA-TECH NIFIC
http://www.invea-tech.com/products-and-services/nific-appliance
b) CESNET MTPP10-V5
http://docs.google.com/viewer?url=http://www.ces.net/project/qosip/hw/mt
pp10-v5.pdf
c) NTT Advanced Technology PRESTA 10G
http://docs.google.com/viewer?url=http://www.internet2.edu/presentations
/jt2010feb/20100201-sebayashi.pdf