They are privately held.
Hyatt Hotels Corporation just went public on November 5th 2009 and their ticker symbol as listed on the New York Stock Exchange is H.
The symbol for Hyatt Hotels Corporation in the NYSE is: H.
The ticker symbol for QLogic Corporation is QLGC and it is traded on the Nasdaq.
The ticker symbol for Mannkind corporation is MNKD and it is traded on the NASDAQ.
The ticker symbol for SanDisk Corporation is SNDK and it is traded on the Nasdaq.
The ticker symbol for NVIDIA Corporation is NVDA and it is traded on the Nasdaq.
Hyatt is a private company and no shares are traded on any exchange. No ticker symbol is associated with this company.
The ticker symbol for Linear Technology Corporation is LLTC and it is traded on the Nasdaq.
The ticker symbol for IAC/InterActive Corporation is IACI and it is traded on the Nasdaq.
The ticker symbol for JDS Uniphase Corporation is JDSU and it is traded on the Nasdaq.
The ticker symbol for KLA-Tencor Corporation is KLAC and it is traded on the Nasdaq.
The ticker symbol for Northern Trust Corporation is NTRS and it is traded on the Nasdaq.