Machine and other job shop work
Machine tools and metalworking machinery
Machine Tools, Metal Forming Type
Magnetic And Optical Recording Media
Magnetic Signs
Mailing and messenger services
Management Consulting Services
Management Investment, Open-End
Management Services
Management services, nec
Manifold Business Forms
Manufactured Ice
Manufacturing Industries
Marketing consulting services
Marking devices, nec
Masonry And Other Stonework
Masonry materials and supplies
Materials handling machinery
Mattresses And Bedsprings
Mattresses and foundations
Mattresses, Foundations, And Convertible Beds
Meals on Wheels
Measuring And Controlling Devices
Measuring and controlling devices, nec, nec
Meat And Fish Markets
Meats And Meat Products
Medical And Hospital Equipment
Medical apparatus and supplies
Medical centers
Medical equipment and supplies
Medical Laboratories
Medical training services
Medical, Dental, And Hospital Equipment And Supplies
Membership Organizations
Membership organizations, nec, nec
Membership Sports And Recreation Clubs
Membership sports and recreation clubs, nec
Membership-Basis Organization Hotels
Men's And Boy's Clothing
Men's And Boys' Clothing And Accessory Stores
Men's And Boys' Clothing Stores
Men's And Boy's Furnishings
Men's and boys' furnishings
Men's and boys' sportswear and athletic clothing
Men's Footwear, Except Athletic
Merchandising Machine Operators
Metal Coating And Allied Services
Metal Doors, Sash, And Trim
Metal Doors, Sash, Frames, Molding, And Trim Manufacturing
Metal Foil And Leaf
Metal Stamping, Not Elsewhere Classified
Metal Stampings
Metals Service Centers And Offices
Methodist Church
Mexican Food
Miscellaneous Apparel And Accessory Stores
Miscellaneous building item repair services
Miscellaneous Business Credit Institutions
Miscellaneous Fabricated Wire Products
Miscellaneous Food Stores
Miscellaneous General Merchandise Stores
Miscellaneous Homefurnishings
Miscellaneous Metalwork
Miscellaneous Nonmetallic Minerals, Except Fuels
Miscellaneous Personal Service
Miscellaneous personal services, nec, nec
Miscellaneous Publishing
Miscellaneous Retail Stores
Miscellaneous retail stores, nec, nec
Mobile Home Dealers
Mobile Home Site Operators
MoHS Surgery
Mortgage Bankers And Loan Correspondents
Motion Picture And Video Production
Motion Picture And Video Tape Production
Motion Picture Distribution Services
Motion Picture Theaters, Except Drive-In
Motor Homes
Motor repair services
Motor Vehicle Dealers (new And Used)
Motor Vehicle Dealers (used Only)
Motor Vehicle Parts And Accessories
Motor Vehicle Parts, Used
Motor Vehicle Supplies And New Parts
Motor Vehicles And Car Bodies
Motorcycle Dealers
Moving services
Museums And Art Galleries
Music Lessons
Music Stores
Musical Instrument Stores