• The Collaborative Group, Ltd. Main Offices
• 631-689-0200
• United States

• The Continental Products Company
• 1-800-305-5869
• United States

• THE CRUST MINERALS
• +91-712-2283798, 2237743
• India

• The Dalian Xinrui Chemical Industry Co.,Ltd.
• +86-015942489117 13998509835
• China

• The Dharamsi Morarji Chemical Co. Ltd.
• +91 22 22048881-2-3
• India

• The Dow Chemical Company
• 1-800-232-2436
• United States

• The Dow Chemical Company
• +1-989-633-1706
• United States

• The Dow Chemical Company - Biocides Group
• (989)832-1560
• United States

• The East Asiatic (Thailand) PLC.
• +66 (0) 2689 5786-5793
• Other Regions

• The Environmental Health Strategy Center
• 207- 827-6331
• United States

• The Euclid Chemical Company
• 800 321 7628
• United States

• the Eurofins US group
• 515-265-1461
• United States

• The Exolon Company
• 1-800-828-1666; 1-800-828-1667;(716) 278-6600
• United States

• The Fanning Corporation
• 312.563.1234
• United States

• The Farley Company
• 330-673-8800
• United States

• The Feldspar Corp.
• 770-392-8660
• United States

• The Feldspar Corp.(Zemex Corp)
• (770) 392-8660
• United States

• The Fertilisers and Chemicals Travancore Limited
• 91-484-546486
• India

• The Fourth Chemical Industry of Anping County
• +86-318-5282988 5287988
• China

• The Fourth Chemical Industry of Anping County
• +86-318-5282988
• China