Nobody but the merc (and your broker or clearing firm, where applicable) can see the stops on GLOBEX. GLOBEX only disseminates 5 levels of quotes based on the limit order book.
Geez. Traders are so damned paranoid. Just think about it, if stops were visible on the outside, any stop of significant size would get run anytime it got within a couple ticks of the market.
If you're seriously concerned about your stops being visible to others, don't place them. Besides, they're not real insurance. Plus, for active disciplined traders, manually stopping out will almost always get you a significantly better price than a real one due to lack of foresight by the folks that set up the electronic markets.