American International Chemical   EAST AMERICAN CONSTRUCTORS   American Institute of Physics   American Lithium Energy Corp.   American Chemie-Pharma, Inc.   american scientific co.   American Blending and Filling   A&C American Chemicals Ltd.   American Diatomite   American Enterprises Pvt Ltd   Ricera American Corp   Yingkou Tianyuan Elaborate Chemical Industry Co., Ltd.   NORTH AMERICAN IMPEX INC   American ChemTech Inc. Asia Office   American Peptide Company   American Qualex   American Bioanalytical, Inc.   American Casein Co. (AMCO)   American Colloid Co   Changzhou North American Chemical Group