http://www.veganessentials.com/catalog/parma-raw-parmesan-cheese-alternative.htm Ingredients: Raw organic walnuts, nutritional yeast, Celtic sea salt
http://store.nexternal.com/shared/StoreFront/default.asp?CS=vegane&StoreType=BtoC&Count1=606563746&Count2=523704171&CategoryID=1&Target=products.aspIngredients: Blanched almond meal, sea salt, nutritional yeast, dehydrated onion, citric acid
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These are kind of pricy options for what is essentially nutritional yeast & ground nuts, so I decided to make my own vegan parm. I toast pecans in a slow oven. (Toasting brings out the flavor.) Then I toss the pecans in the food processor along with nutritional yeast flakes, some garlic & onion granules & a little bit of salt. Process until it's finely ground. Store in a glass container in the fridge. I use equal amounts of nuts to NY flakes. Also, I've made this with walnuts, almonds or cashews. All were good, although the cashews impart a slightly sweet flavor you might not want in a parm replacement.
Good luck!