M-I Swaco

M-I Swaco is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Bentonite
• Oil Well Drilling & Mud Additives

North American Industry Classification System (NAICS) Categories:

• Clay And Ceramic And Refractory Minerals Mining
• Other Chemical And Allied Products Merchant Wholesalers > Oil & Gas Additives & Supplies > Oil Well Drilling & Mud Additives

Standard Industry Classification (SIC) Categories:

• Clay & Related Minerals, Nec > Bentonite
• Chemicals And Allied Products, Nec > Oil & Gas Additives & Supplies > Oil Well Drilling & Mud Additives