Amex symbols Abbreviations and Acronyms
-   MPFMerrill Lynch & Company, Inc.
 -   MPSCMaine Public Service Company
 -   MPXMarine Products Corporation
 -   MRMorgan's Foods, Inc.
 -   MRIAMcRae Industries, Inc. Class A
 -   MRIBMcRae Industries, Inc. Class B
 -   MRMMerrimac Industries, Inc.
 -   MRSMidcoast Energy Resources, Inc.
 -   MRTGMulti Router Traffic Grapher
 -   MRYMemry Corporation
 -   MSMilestone Scientific, Inc.
 -   MSACMine Safety Appliances Company
 -   MSDWMorgan Stanley Dean Witter
 -   MSIMovie Star, Inc.
 -   MSLMidSouth Bancorp, Inc.
 -   MSNEmerson Radio Corporation
 -   MSSMeasurement Specialties, Inc.
 -   MTTMerrill Lynch & Company, Inc.
 -   MTYMarlton Technologies, Inc.
 -   MWHBaycorp Holdings, Ltd.
 
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