Merck & Co. is an american pharmaceutical company.
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Major U.S. corporations that produce specialty chemicals include
ExxonMobil Corp., Kich Industries Inc., ChevronTexaco Corp., and
Merck and Company Inc. Other leading companies are Nalco
Chemical
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Nothing, Assuming you are referring to Merck & Co. Merck is
a drug company, that is it's name. It is not an acronym.
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Merck @ Co.
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It is not an hourglass, although I can see why you would think
so. The logo represents pills and capsules overlapping each
other.