| A Touch of Gold Limited | Wholesale & retail | 1985 |
| A. E. Mccandless & Co. Limited | Manufacturing | 1939 |
| Advanced Car Parking Limited | Other services | 1992 |
| Ardmore (Co.Derry) Pre-Cast Concrete Limited | Manufacturing | 1976 |
| Ashbrook Farm Management Company Limited | Households | 2007 |
| Autocare Centre Ltd | Wholesale & retail | 2005 |
| B.P. Mckeefry Developments Limited | Transport & logistics | 2007 |
| B.P. Mckeefry Holdings Limited | Professional & scientific | 2007 |
| B.P. Mckeefry Limited | Transport & logistics | 1994 |
| Bann Engineering Co. Limited | Manufacturing | 1981 |
| Bannside Properties Limited | Real estate | 2002 |
| Bell's Supermarkets Limited | Wholesale & retail | 1997 |
| Berrins Apartments Residents Limited | Extraterritorial | 2000 |
| Bishops (Footwear) Limited | Wholesale & retail | 1961 |
| Bradmount Ltd | Wholesale & retail | 2008 |
| Brian Hunter Limited | Manufacturing | 1981 |
| Bushrise Services Ltd | Extraterritorial | 2007 |
| Business Results Limited | Professional & scientific | 1991 |
| BV Residents Management Company Limited | Households | 2000 |
| C.M. Enterprises Limited | Real estate | 1987 |
| C.V.C. (Northern Ireland) Limited | | 1986 |
| Caldwell Builders Ltd | Construction | 2007 |
| Car and Home Supplies Limited | Wholesale & retail | 1978 |
| Carmoney Care Consultancy Limited | Health & social care | 2000 |
| Carnlough Developments Limited | Construction | 1986 |
| Castleroe Pre-Cast Concrete Limited | Manufacturing | 2002 |
| Cedar Way Management Company Limited | Households | 2005 |
| Clanna Rury Residents Limited | Households | 2005 |
| Clonsilla Services Limited | Extraterritorial | 2004 |
| Coleraine Cash & Carry Limited | Wholesale & retail | 1982 |
| Conway Group Properties Ltd | Professional & scientific | 2006 |
| Corby Island Farms Ltd | Agriculture & fishing | 2007 |
| Cregg Properties Ltd | Construction | 2006 |
| D. Mclaughlin Building Services | Construction | 1973 |
| Dairy Produce Packers Limited | Wholesale & retail | 1988 |
| Deirdre Ltd | Health & social care | 2009 |
| Derry Garages Limited | Wholesale & retail | 1976 |
| Derry Well Women Limited | Health & social care | 1989 |
| Diamond Containers Limited | Manufacturing | 1989 |
| Diamond Corrugated Cases Limited | Manufacturing | 1973 |
| Diamond Packaging Systems Limited | Manufacturing | 2003 |
| Dixon Metal Fabrications Limited | Manufacturing | 2006 |
| Dolsis Properties Management Ltd | Extraterritorial | 2008 |
| Drumcraig Developments Limited | Construction | 1999 |
| Earthseer Ltd | Professional & scientific | 2004 |
| Europa Foods Distribution Limited | Wholesale & retail | 2002 |
| Fairways Property Rentals Limited | Real estate | 2018 |
| Fleming Agri-Products Limited | Manufacturing | 1983 |
| Forth and Foyle (Erection Services) Limited | | 1977 |
| G S H Developments Limited | Real estate | 1990 |
| Glenview Trophies Limited | Wholesale & retail | 1982 |
| GNC Homes Ltd | Construction | 2004 |
| Greenfield Road (Millfields) Management Co Ltd | Extraterritorial | 2005 |
| H.A.Mcilrath & Sons Limited | Wholesale & retail | 1978 |
| Haire Bros. (Advanced Roofing) Limited | Construction | 1979 |
| Halferty Installation Services Limited | Wholesale & retail | 2006 |
| Harrod Homes Ltd | Construction | 2003 |
| Heron Property Limited | Real estate | 1995 |
| Hill Crest Real Estate (NW) Ltd | Real estate | 2003 |
| Home World Stores Limited | Wholesale & retail | 1982 |
| Indicators International Limited | Manufacturing | 1975 |
| Insurance and Travel Services (Northern Ireland) Limited | Administrative & support | 1963 |
| Irish Inns Limited | Hospitality | 1980 |
| Izudoo Ltd | Hospitality | 2008 |
| J & M Mullin Ltd | Hospitality | 2006 |
| J Wilson Agricultural Ltd | Manufacturing | 1997 |
| J.A. Flanagan & Sons Ltd | Construction | 2006 |
| J.K.C.Specialist Cars Limited | Wholesale & retail | 1978 |
| James Doherty (1987) Limited | Manufacturing | 1976 |
| James Doherty (Meats) Limited | Manufacturing | 1987 |
| James Sammon & Co Ltd | Professional & scientific | 1990 |
| JB Tyres Limited | Wholesale & retail | 2003 |
| JOE Kerlin Site Services Ltd | Construction | 2006 |
| John Mccandless, Limited | Real estate | 1914 |
| Johnston Printing Limited | Manufacturing | 1957 |
| Jordan (Antrim) Limited | Real estate | 2016 |
| Kermont Construction Company Limited | Real estate | 1977 |
| Kestrel Thermo-Plastics Limited | Manufacturing | 1987 |
| KI Productions Limited | Arts & recreation | 2008 |
| Killyvally Holdings Limited | Financial services | 1999 |
| Lees Pulp Limited | | 1990 |
| Lennox Auto Services Ltd | Other services | 2003 |
| Limavady Recovery Limited | Wholesale & retail | 2006 |
| Links Management Services Limited-The | Extraterritorial | 1996 |
| Lisnagault Farms Limited | Agriculture & fishing | 1965 |
| Lisnatore Management Company Limited | Extraterritorial | 2007 |
| Lloyd Cooke Motors Ltd | Wholesale & retail | 2004 |
| Longfield Roof Truss (N.I.) Limited | Manufacturing | 1994 |
| Loughash Properties Limited | | 2007 |
| Loughside Environmental Services Ltd | Professional & scientific | 2006 |
| M-Tec Graphics Limited | Manufacturing | 1997 |
| M.A.M. Developments Limited | Construction | 1988 |
| M.J. Mcbride Developments Limited | Construction | 1988 |
| Macgen Power Generation Limited | Wholesale & retail | 1996 |
| Maddybenny Mews Limited | Hospitality | 1992 |
| Mccollum (Drumcroon) Limited | Agriculture & fishing | 1962 |
| Mclinsuretech Ltd | Financial services | 2001 |
| Meighan Contractors Ltd | Construction | 2007 |
| Merit Developments NI | Professional & scientific | 2007 |
| Mews Ballyreagh Management Company Limited - the | Extraterritorial | 2003 |