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Machine Tool Accessories
Machine Tools, Metal Cutting Type
Management Consulting Services
Management Investment, Open-End
Management Services
Manifold Business Forms
Manufactured Ice
Manufacturing Industries
Marinas
Martial Arts
Masonry And Other Stonework
Measuring And Controlling Devices
Meat And Fish Markets
Meat Packing Plants
Medical And Hospital Equipment
Medical Equipment Rental
Medical Laboratories
Medicinals And Botanicals
Membership Organizations
Membership Sports And Recreation Clubs
Men's And Boy's Clothing
Men's And Boys' Clothing Stores
Men's And Boy's Work Clothing
Merchandising Machine Operators
Metal Barrels, Drums, And Pails
Metal Coating And Allied Services
Metal Doors, Sash, And Trim
Metal Heat Treating
Metal Household Furniture
Metal Stampings
Metals Service Centers And Offices
Metalworking Machinery
Millwork
Mineral Wool
Miscellaneous Apparel And Accessory Stores
Miscellaneous Business Credit Institutions
Miscellaneous Fabricated Wire Products
Miscellaneous Food Stores
Miscellaneous General Merchandise Stores
Miscellaneous Homefurnishings
Miscellaneous Nonmetallic Minerals, Except Fuels
Miscellaneous Personal Service
Miscellaneous Publishing
Miscellaneous Retail Stores
Mobile Home Dealers
Mobile Home Site Operators
Mobile Homes
Mortgage Bankers And Loan Correspondents
Motion Picture And Video Production
Motion Picture Distribution Services
Motion Picture Theaters, Except Drive-In
Motor Vehicle Parts And Accessories
Motor Vehicle Parts, Used
Motor Vehicle Supplies And New Parts
Motor Vehicles And Car Bodies
Motorcycle Dealers
Motors And Generators
Museums And Art Galleries
Musical Instrument Stores
Musical Instruments