- Machanical Belt
- Machinery
- Machinery & Tools-New
- Machinery & Tools-Training
- Machinery Cleaning Service
- Machinery Movers & Erectors
- Machinery-Parts & Supplies Wholesales & Manufacturers
- Machinery-Renting
- Machinery-Repairing
- Machinery-Specially Designed
- Magazine Dealers & Distributors
- Magazine Subscription Agents
- Magazine-Rental
- Magicians
- Magnetic Separation Equipment
- Magnetos
- Magnets
- Magnifying Glasses
- Maid Service
- Makeup
- Management Consultants
- Management Training Institute
- Mannequins-Display Fixture
- Manufacturer And Contractor, CDs And DVDs.
- Manufacturer And Supplier Of Gloves And Rubber Gloves.
- Manufacturer And Supplier Of Induction.
- Manufacturer And Wholesaler Of Women's Sleepwear.
- Manufacturers And Wholesale Belts.
- Manufacturers Equipment & Supplies Infant.
- Manufacturers Handbag.
- Manufacturers Luggage.
- Manufacturers Pants.
- Manufacturers Silver (metal).
- Manufacturers Socks.
- Manufacturers Stockings.
- Maps
- Marble & Stone-Cutting Machines & Equipment
- Marble & Terrazzo Cleaning & Service
- Marble-Natural
- Marble-Synthetic
- Marinas
- Marine Equipment & Supplies
- Marine Propellers
- Marine Service Stations
- Marine Transportation Consultants & Service
- Marine-Consultants & Design
- Marketing Research & Analysis
- Markets
- Markets & Grocers Equipment & Supplies
- Marking Devices
- Marriage & Family Counselors
- Massage Equipment
- Massage-Entertainment
- Massage-Healthy
- Matrices
- Mats & Matting
- Mattresses-Retails
- Mattresses-Wholesale & Manufacturers
- Measuring Instruments-Testing
- Measuring Precision-Devices
- Meat Brokers
- Meat Curing Service
- Meat Packers
- Meat Packers' Equipment & Supplies
- Meat-Retail
- Meat-Wholesale
- Media-Representatives
- Medical Practitioners-Chinese
- Medicines-Patent & Proprietary
- Membership Representatives
- Message Receiving & Forwarding Service
- Metal Castings
- Metal Cutting & Finishers Machines
- Metal Detector
- Metal Drum
- Metal Perforating & Polishing
- Metal Rolling & Forming
- Metal Shapes-Extruded
- Metal Shaping
- Metal Specialties
- Metal Stamping & Cutting
- Metals
- Meters
- Microfiber Cloth
- Microfilm Equipment & Supplies
- Microscopes
- Milk & Milk Products
- Milking Equipment & Supplies
- Milling
- Milling-Equipment & Machines
- Millwrights
- Minerals
- Miniature Golf
- Mining Companies
- Mining Consultants
- Mining Equipment & Supplies
- Mixing Equipment-Industrial
- Mobile Telephones & Acessories
- Mobile Toilet Service
- Mobility Scooter-Dealers
- Model Making
- Modeling Agencies
- Mold-Equipment & Supplies
- Moldings
- Money-International Transfer
- Mosaics
- Mosques
- Mosquito Coils & Incenses-Wholesale & Manufacturers
- Mosquito Coils-Raw Materials
- Mosquito Net
- Mosquito Trap
- Motion Picture Equipment & Supplies
- Motion Picture Equipment & Supplies-Renting
- Motion Picture Film
- Motion Picture Film Distributors & Exchanges
- Motion Picture Laboratories & File Libraries
- Motion Picture Producers & Studios
- Motion Picture Representatives
- Motorcycles
- Motorcycles & Motor Scooters
- Motorcycles & Motor Scooters-Renting & Leasing
- Motorcycles & Motor Scooters-Repairing
- Motorcycles & Motor Scooters-Supplies & Parts
- Motorcycles & Motor Scooters-Supplies & Parts-Wholesale & Manufacturers
- Motorcycles-Sidecar
- Moving & Storage Service
- Mufflers & Exhaust Systems-Engine-Retail
- Mufflers & Exhaust Systems-Engine-Wholesale & Manufacturers
- Mufflers & Exhaust Systems-Engine-Wholesale & Manufacturers
- Museums
- Mushrooms
- Music
- Music Arrangers & Composers
- Music Bands-Service
- Music Company
- Music Practice Room
- Music Teacher
- Musical Instruments-Light & Sound System-Renting
- Musical Instruments-Manufacturers
- Musical Instruments-Renting
- Musical Instruments-Repairing
- Musical Instruments-Retail
- Musical Instruments-Wholesale
