| 5 | Kilronan School Meals Kitchen | School/college/university | Mid Ulster | BT45 6EN |
| 5 | Knav Jams | Manufacturers/packers | Mid Ulster | BT45 8QX |
| 4 | Knockloughrim Primary School | School/college/university | Mid Ulster | BT45 8QT |
| 5 | Knocknagin Primary School Meals Kitchen | School/college/university | Mid Ulster | BT45 5LE |
| 5 | Latte-da | Other catering premises | Mid Ulster | BT45 |
| 5 | Laurel Villa Townhouse | Hotel/bed & breakfast/guest house | Mid Ulster | BT45 6AW |
| 5 | Lavey Early Years | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 8PG |
| 5 | Lidl Northern Ireland Limited | Retailers - supermarkets/hypermarkets | Mid Ulster | BT45 6PA |
| 5 | Little Wombles Cross Community Playgroup | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 7BB |
| 5 | Littlebridge Farm Fresh Ltd | Retailers - other | Mid Ulster | BT45 7NT |
| 5 | Lj's Tavern | Pub/bar/nightclub | Mid Ulster | BT45 5AH |
| 5 | Lough Neagh's Stories | Mobile caterer | Mid Ulster | BT45 |
| 5 | Loup Gaelic Football Club | Pub/bar/nightclub | Mid Ulster | BT45 6JE |
| 5 | Loup School Meals Kitchen | School/college/university | Mid Ulster | BT45 7TS |
| 2 | Lucky Dragon | Takeaway/sandwich shop | Mid Ulster | BT45 7PF |
| 5 | Lyttle Cakes | Other catering premises | Mid Ulster | BT45 |
| 5 | Mace Littlebridge | Retailers - other | Mid Ulster | BT45 7XX |
| 5 | Mace, Ballyronan | Retailers - other | Mid Ulster | BT45 6JA |
| 5 | Made by Suzie | Other catering premises | Mid Ulster | BT45 |
| 5 | Magherafelt Adult Centre | Restaurant/Cafe/Canteen | Mid Ulster | BT45 5EG |
| 5 | Magherafelt Day Centre | Restaurant/Cafe/Canteen | Mid Ulster | BT45 5EG |
| 5 | Magherafelt High School Meals Kitchen | School/college/university | Mid Ulster | BT45 6AF |
| 5 | Magherafelt Integrated Nursery School | School/college/university | Mid Ulster | BT45 6PA |
| 5 | Magherafelt Manor | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 6NR |
| 5 | Magherafelt Primary School | School/college/university | Mid Ulster | BT45 6PA |
| 5 | Magherafelt Women's Group Ltd - Kidz Lodge After Schools | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 6AG |
| 5 | Magherafelt Women's Group Ltd - Kidz Lodge Day Care | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 6AG |
| 4 | Mamo | Restaurant/Cafe/Canteen | Mid Ulster | BT45 6EB |
| 5 | Marina Care Home | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 6JA |
| 5 | Marriott House - Clanmil Housing | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 6EF |
| 5 | Mary's Bar And Restaurant | Pub/bar/nightclub | Mid Ulster | BT45 6ED |
| 5 | Mayogall Day Nursery | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 8PE |
| 5 | McAlinden Meats | Retailers - other | Mid Ulster | BT45 5AG |
| 5 | McAtamney Butchers | Retailers - other | Mid Ulster | BT45 5AD |
| 5 | McClenaghan Family Butchers | Manufacturers/packers | Mid Ulster | BT45 6ED |
| 5 | McDonald's Restaurant | Restaurant/Cafe/Canteen | Mid Ulster | BT45 6PA |
| Exempt | McKeevers Chemist | Retailers - other | Mid Ulster | BT45 8AA |
| 5 | Meadowell Fold Lunch Club | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 5AZ |
| 5 | Mid Ulster Hospital Catering Dept | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 5EX |
| 5 | Mid Ulster Volunteer Centre | Other catering premises | Mid Ulster | BT45 6AB |
| 5 | Milesian Manor Nursing Home | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 5DX |
| 5 | Missy & Me | Mobile caterer | Mid Ulster | BT45 |
| 5 | Missy & Me @ The Container | Mobile caterer | Mid Ulster | BT45 8AD |
| 5 | Missy & Me Outside Catering | Mobile caterer | Mid Ulster | BT45 |
| 5 | Moneymore Care Home | Hospitals/Childcare/Caring Premises | Mid Ulster | BT45 7QF |
| 5 | Moneymore Nursery Unit | Restaurant/Cafe/Canteen | Mid Ulster | BT45 7QU |
| Exempt | Moneymore Pharmacy | Retailers - other | Mid Ulster | BT45 7PF |
| 5 | Moneymore Primary School Meals Kitchen | School/college/university | Mid Ulster | BT45 7QT |
| 5 | Moss Brook Food Stop | Restaurant/Cafe/Canteen | Mid Ulster | BT45 7PD |
| 5 | Mountain View Cakes | Other catering premises | Mid Ulster | BT45 |