- Methodist College Pre-Prep5School/college/universityBelfast CityBT9 6BY
- Methodist College School M.K5School/college/universityBelfast CityBT9 6BY
- Millar Meats and Fine Foods4Manufacturers/packersFermanagh and OmaghBT94 1GJ
- Milltown Manor5Pub/bar/nightclubFermanagh and OmaghBT94 3LU
- Milly's5Restaurant/Cafe/CanteenFermanagh and OmaghBT94 3LW
- Mitre Trust Appeal Hospital Shop5Retailers - otherBelfast CityBT9 7JB
- Moat Primary School5School/college/universityFermanagh and OmaghBT92 0JH
- Molly's Bar5Restaurant/Cafe/CanteenFermanagh and OmaghBT94 4GH
- Monaghans Mace5Retailers - otherFermanagh and OmaghBT93 0AR
- Monaghans Pub5Pub/bar/nightclubFermanagh and OmaghBT93 1DJ
- Monte Carlo3Takeaway/sandwich shopBelfast CityBT9 7AG
- Moohans Fiddlestone3Pub/bar/nightclubFermanagh and OmaghBT93 3FY
- Mozzarella Fellas5Takeaway/sandwich shopFermanagh and OmaghBT94 1EH
- Mr Thai5Takeaway/sandwich shopFermanagh and OmaghBT92 9PE
- Muckross Lodge5Hotel/bed & breakfast/guest houseFermanagh and OmaghBT93 1TZ
- Mullaghmeen Baptist Church5Other catering premisesFermanagh and OmaghBT94 2AR
- Mulligans5Pub/bar/nightclubFermanagh and OmaghBT92 8JW
- Munchies & Brunchies5Other catering premisesFermanagh and OmaghBT93
- Murphy's on Main Street Tearooms5Restaurant/Cafe/CanteenFermanagh and OmaghBT93 0DH
- Musgrave Park Hospital3Hospitals/Childcare/Caring PremisesBelfast CityBT9 7JB
- My Lovely Horse Ltd5Mobile catererFermanagh and OmaghBT92
- NI Foods5Restaurant/Cafe/CanteenFermanagh and OmaghBT92 1DB
- Nearby Teemore4Retailers - otherFermanagh and OmaghBT92 9QF
- Necarne Arms5Pub/bar/nightclubFermanagh and OmaghBT94 1EX
- Necarne Community Nursery5School/college/universityFermanagh and OmaghBT94 1EY
- Necarne Manor5Hotel/bed & breakfast/guest houseFermanagh and OmaghBT94 1GG
- Neighbourhood Pilates5Other catering premisesFermanagh and OmaghBT93
- New Street Inn5Pub/bar/nightclubFermanagh and OmaghBT93 0EE
- Newtownbutler No 2 P School5School/college/universityFermanagh and OmaghBT92 8JE
- Newtownbutler Pre-School Centre5School/college/universityFermanagh and OmaghBT92 8GT
- Nico's Pizzeria5Restaurant/Cafe/CanteenBelfast CityBT9 6AF
- Nina's Pizzeria & Coffee House4Restaurant/Cafe/CanteenFermanagh and OmaghBT93 3FX
- Nite Star4Takeaway/sandwich shopFermanagh and OmaghBT94 4RZ
- Nixon Meats5Retailers - otherFermanagh and OmaghBT94 3LU
- Nomads Meats5Manufacturers/packersBelfast CityBT9 7EJ
- Nora's Coffee Shop5Restaurant/Cafe/CanteenFermanagh and OmaghBT94 1GJ
- Northwick House Residential Home4Hospitals/Childcare/Caring PremisesFermanagh and OmaghBT94 4HU
- Nugelato Ice Cream Boutique5Restaurant/Cafe/CanteenBelfast CityBT9 5AJ
- O'Neills Mace5Retailers - otherFermanagh and OmaghBT92 7GE
- Oak Healthy Living Centre5Other catering premisesFermanagh and OmaghBT92 0JE
- Oakwood Childcare Centre5School/college/universityFermanagh and OmaghBT92 9LA
- Oasis Bar5Pub/bar/nightclubFermanagh and OmaghBT92 6NB
- Oishi Sushi Boutique5Takeaway/sandwich shopBelfast CityBT9 5AF
- Old Pal's Bar5Pub/bar/nightclubFermanagh and OmaghBT93 6HW
- Oliver BonasExemptRetailers - otherBelfast CityBT9 7GS
- Olivers Coffee5Restaurant/Cafe/CanteenBelfast CityBT9 7EY
- Omagh Dist Rifle & Pistol Club5Restaurant/Cafe/CanteenFermanagh and OmaghBT94 5DY
- Orto Pizzabar5Restaurant/Cafe/CanteenBelfast CityBT9 5AF
- Osborne House5Hospitals/Childcare/Caring PremisesBelfast CityBT9 6LD
- OtzibrewExemptDistributors/TransportersBelfast CityBT9