| M & G Glass Ltd - Painting and glazing |
| M Hughes - Painting and glazing |
| M J O'Kane - Funeral and related activities |
| M Kutz - Hairdressing and other beauty treatment |
| M Leenox - Retail sale of hardware, paints and glass |
| M McGurk - Other supporting land transport activities |
| M Preston - Dental practice activities |
| M Stewart - Other farming of animals |
| Mac's Taxis - Taxi Service |
| Macsport - Manufacture of sports goods |
| Magherafelt - Library and archives activities |
| Magherafelt Adult Centre - Social work activities without accommodation |
| Magherafelt Chiropody Clinic - Other human health activities |
| Magherafelt Family Centre - Social work activities without accommodation |
| Magherafelt G F C - Operation of sports arenas and stadiums |
| Magherafelt High School - General secondary education |
| Magherafelt Joinery - Manufacture of builders' carpentry and joinery |
| Magherafelt Nursery School - Primary education |
| Magherafelt Pet Shops - Wholesale of live animals |
| Magherafelt Post Office - National post activities |
| Magherafelt Primary School - General secondary education |
| Man Made - Other building completion |
| Mane Street - Hairdressing and other beauty treatment |
| Marina Private Nursing Home - Other human health activities |
| Marion's Hair Stylist - Hairdressing and other beauty treatment |
| Marsh Kyfe Riding School - Other sporting activities |
| Mary's Bar - Bar |
| Mayogall Post Office - National post activities |
| McAtamney Butchers - Retail sale of meat and meat products |
| McCoy & McNeil Estate Agents - Real Estate Agency |
| McCusker Bros - Funeral and related activities |
| McErlean Plastering - Plastering |
| McFadden Motors - Sale of motor vehicles |
| McGrogan Kitchens - Other business activities not elsewhere classified |
| McGurks Bar - Bar |
| McLarnons - Retail sale of footwear and leather goods |
| McLean Transport - Other supporting land transport activities |
| McLernon & Hunter - Legal activities |
| McSorley Bros - Maintenance and repair of motor vehicles |
| Meadow Lane - Other retail sale in non-specialised stores |
| Meadowlane Meats - Retail sale of meat and meat products |
| Mercury Express - Freight transport by road |
| Michael Hughes - Painting and glazing |
| Michelle Boyle - Hairdressing and other beauty treatment |
| Mid Ulster Ceiling Co - Other building completion |
| Mid Ulster Hospital - Hospital activities |
| Mid-Ulster Auctions Ltd - Sale of motor vehicles |
| Mid-Ulster Computers - Software consultancy and supply |
| Mid-Ulster Lamb Group - Other farming of animals |
| Mid-Ulster Mail - Publishing of newspapers |
| Milano - Retail sale of clothing |
| Milesian Manor Nursing Home - Other human health activities |
| Millbrook Service Station - Maintenance and repair of motor vehicles |
| Minstrel Metalcraft Co - Casting of iron |
| Mman Made Interiors Ltd - Joinery installation |
| Moneymore Care Home - Other human health activities |
| Moneymore Meats - Retail sale of meat and meat products |
| Moneymore Medical Centre - Hospital activities |
| Moneymore Post Office - National post activities |
| Moneymore Primary School - General secondary education |
| Moneymore Racing - Gambling and betting activities |
| Moneyneaney Post Office - National post activities |
| Montgomery - Manufacture of office machinery |
| Morton's Chippy - Restaurant |
| Motobites - Restaurant |
| Mount View - Social work activities with accommodation |
| Moyola Football Club - Operation of sports arenas and stadiums |
| Moyola Mattress Co - Manufacture of mattresses |
| Moyola Open Learning Centre - Adult and other education not elsewhere classified |
| Moyola Park Golf & Country Club - Other sporting activities |
| Moyola Park Golf Club - Other sporting activities |
| Moyola Stables - Other sporting activities |
| Moyola Thermal Installation - Insulation work activities |
| MTF Mouldings - Other manufacturing not elsewhere classified |
| Murrays Monumental Sculptors - Funeral and related activities |
| Mcateer Hargan - Accounting Auditing And Bookkeeping Services |
| Mullan & Co - Accts. Auditors Tax Experts |
| Marsh Kyfe Riding School - Riding School Centres |
| Minstrel Metal Craft Co - Ornamental Iron Manufacturers |
| Margo's Unisex Hair Salon - Hairdresser |
| Marions Hair Stylist - Hairdresser |
| M Cutz - Unisex Hair Salons Services |
| Mane Street - Unisex Hairdressers |
| Mcerlain's Bakery (magherfelt) Ltd - Bakery Products Manufacturers And Retailers |
| Mcnicholl Caravans Ltd - Holiday Caravan Site Operators |
| Maghera Chiropractic Clinic - Chiropracter |
| Mclean Fuels Ltd - Coal, Oil And Bottled Gas Distributors |
| Macprint - Printers |
| Magherafelt Building Supplies - Builders' Merchants |
| Mitchell Bros Building Supplies - Builders Merchants & General Building Contractors |
| M & P J Connery - Dairy Farm |
| Martin Dillon Dental Laboratory - Dental Laboratory |
| Maghera Dental Care - Dental Surgeon |
| Mclaughlin's Pharmacy - Retail Chemist |
| M A Charlton - Outpatient Care Facilities |
| Moneymore Supplies - Pet Food Manufacturer & Wholesaler |
| Mca Electrics Ltd - Electrical Contractors |
| M & D Electrics - Electrical Work Contractor |
| Mid-Ulster Security - Security Equipment Installers |
| Mid Ulster Garden Leisure Ltd - Garden Center Proprietors |
| M J O'kane - Funeral Directors |
| Mccusker Bros - Funeral Directors |
| Michael Mccullagh - Livestock Farming |
| Mid-Ulster Hospital - Hospital |
| M O L Tools And Abrasives - Wholesalers Of Power Tools And Accessories |
| Magherafelt Chiropractic Clinic - Chiropractor |
| Mid Ulster Physiotherapy Clinic - Physical Therapist |
| Maghera Physio - Physiotherapist |
| Montgomery Nurseries - Garden Services |
| Mclernon & Mccann Solicitors - Patent Solicitor |
| Mccormick O'brien & Co. - Solicitors |
| Maghera Library - Library |
| Magherafelt Library - Library |
| Moneymore Library - Libraries And Information Centres |
| M & G Glass Ltd - Double Glazing Unit Manufacturers |
| Mcgrogan Kitchens - Kitchen Planners And Furnishers |
| M Lennox - Lumber & Bldg Materials Retailers |
| Moss Tile & Bathroom Centre - Tile And Bathroom Suite Retailers |
| Moyola Mattress Co Ltd - Mattress And Bedding Manufacturers |
| Mckee's - Meat Packing Plants |
| Mcguigans Garage - New & Used Motor Vehicle Dealers |
| Mcgarvey Car Sales - New And Used Car Dealers |
| Mid-Ulster Mail - Newspapers Publishing Only |
| Mcquillan Engineering - Metal Pallet Racking & Troleey Manufacturers |
| Mcguigan Opticians - Opthalmic Opticians |
| Maria Mckenna - Optician |
| Mcmaster & Brooks - Optometrist |
| Millbrook Service Station - Garage Services |
| Martin Laverty - Gasoline Service Stations |
| Mckennas Home Improvements - Plumbing And Heating Contractor |
| Moyola Building Services Ltd - Plumbing Contractors |
| Mossbrook Farm Shop - Potato Growers |
| Moyola Park Golf & Country Club - Golf Courses And Clubs |
| M Mcmullan - Building Contractor |
| Mary's Lounge Bar - Bar & Restaurant Prop |
| Marvins Traditional Fish & Chips - Fish & Chip Take Away |
| Moneyneena & District Develpment Group - Charities And Voluntary Organisations |
| Marriott House - Residential Home Charity |
| Mckeefrys Of Maghera Ltd - Retailers Of Home Furniture |
| Mckeefrys Of Maghera - Retailers Of Home Furnitures |
| Murrays Monumental Sculptors - Sculptors Retail Stores |
| Mcerlean's Upholstery - Upholstery Work Services |
| Marmic Construction - Surfacing And Paving Contractors |
| Moyola Open Learning Centre - Training And Education Agency |
| Mclarnons - Ret.dist Of Footwr & Lthr Gds |
| Mcclarnon Shoes - Shoe Retailers |
| Macsport - Sports Goods Retailers |
| Mid-Ulster Flooring - Marble Flooring Contractors & Suppliers |
| Magherafelt Shop Mobility - Misc Transport Equipment Manufacturers |
| Mill Garage - Light And Commercial Vehicle Repairers |
| Mclean Transport Ltd - Contract Haulers |
| Mcmullan International Transport - Haulage Contractors |
| Mcfadden Motors - Used Car Retailers |
| Maghera Vets - Veterinary Services Specialties |
| Magherafelt Veterinary Clinic - Veterinary Surgeons And Practitioners |