1. Dow Construction Chemicals, The Dow Chemical Company, 400 Arcola Road, Collegeville, Pennsylvania 19426, United States
2. Analytical Sciences, The Dow Chemical Company, 400 Arcola Road, Collegeville, Pennsylvania 19426, United States
3. Analytical Sciences, The Dow Chemical Company, 230 Abner Jackson Parkway, Lake Jackson, Texas 77566, United States