Actually one of the best sources of spices is Vann's Spices 6105 Oakleaf Ave. Baltimore, MD 21215 Phone:(800)583-1693 Website: www.vannsspices.com Makers of non-irradiated and chemical-free spices. All (or almost all under hashgacha of OU)
What do you need? Whole spices don't need a hechsher at all. The Spice House online carries many Indian spices; make sure to specify that they should be packed from the Milwaukee location, which is under the va'ad of Wisconsin.