| | A B Contracts |  | 14 Gilnahirk Road West, Belfast, County Antrim, BT5 7SR  |
| | McKeown Cleaning Services Limited | | The Carryduff Centre, Church Road, Carryduff, Belfast, County Antrim, BT8 8RB |
| | Finaghy Cleaning Services | | 26 Willisfield Avenue, Belfast, County Antrim, BT10 0GD |
| | Initial Cleaning Services Limited | | 133 Albertbridge Road, Belfast, County Antrim, BT5 4PS |
| | Island Cleaning Service | | Unit 3, Musgrave Park Industrial Estate, 26 Stockmans Way, Belfast, County Antrim, BT9 7ET |
| | Security Services (N I) | | Midland Building, Whitla Street, Belfast, County Antrim, BT15 1JP |
| | Care Services Limited | | Midland Building, Whitla Street, Belfast, County Antrim, BT15 1NH |
| | Maybin Property Support Services (N I) Ltd | | 4 Duncrue Crescent, Belfast, County Antrim, BT3 9BW |
| | D M B Power Cleaners | | 221 Connsbrook Avenue, Belfast, County Antrim, BT4 1JZ |
| | Minster Cleaning Services | | Fountain Centre, College Street, Belfast, County Antrim, BT1 6ET |
| | John McVicker Ltd | | 2 Shrewsbury Drive, Belfast, County Antrim, BT9 6PL |
| | North Down Cleaning Services | | I T Buildings, Queens Road, Belfast, County Antrim, BT3 9DT |
| | H T S Property Maintenance | | 99 Saintfield Road, Belfast, County Antrim, BT8 7HN |
| | Servicemaster Limited | | 57 Portallo Street, Belfast, County Antrim, BT6 9BE |
| | Town & Country Cleaning Services | | 176 Finaghy Road South, Belfast, County Antrim, BT10 0DH |
