Emergency Contacts
The M-I SWACO Corporate QHSE Department, located in the United States, may be reached 24/7/365 at (281) 561-1600 for major accidents, serious incidents or environmental spills.
General Inquiries
For questions you may contact us at QHSE@miswaco.com or write us at:
M-I SWACO
QHSE Department
PO Box 42842
Houston, Texas, USA 77242-2842
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