| S K Windows | 028 3026 6238 | | Unit D2 Canal Quay, Win Business Park, Newry, BT35 6PH |  Map & Directions |
| Superseal Windows Ltd | 028 7946 9606 | | 5 Bridge Street, Castledawson, Magherafelt, BT45 8AD | | Map & Directions |
| Riverside Windows | 028 3882 0032 | | 71 Milltown Road , Donaghcloney, Craigavon, BT66 7NF | | Map & Directions |
| Woburn Window Systems | 028 9147 1737 | | 30 Green Road , Conlig, Newtownards, BT23 7PZ | | Map & Directions |
| Bowman Windows | 028 4066 2000 | | 1 Scarva Road Industrial Estate , Banbridge, BT32 3QD | | Map & Directions |
| Upvc Direct | 028 9032 5137 | | 28 Distillery Street, Belfast, BT12 5BJ | | Map & Directions |
| Yates Trade Frames | 028 9147 0088 | | 6-8 Balloo Way, Bangor, BT19 7QZ | | Map & Directions |
| Roto Frank Ltd | 028 8224 2646 | | 39 Winters Gardens, Omagh, BT79 0DZ | | Map & Directions |
| J & C Windows | 028 6632 6530 | | Ballinamallard, Enniskillen, BT94 2LY | | Map & Directions |
| C & C Frames Ltd | 028 2563 0140 | | 3 Hugomont Avenue, Ballymena, BT43 6HW | | Map & Directions |
| Proformance | 028 9335 5800 | | 12 Kilroot Park, Carrickfergus, BT38 7PR | | Map & Directions |
| Specialist Archways Ltd | 028 4483 1338 | | 103 Manse Road, Crossgar, Downpatrick, BT30 9LZ | | Map & Directions |
| Allen Gamble | 028 3883 0700 | | 38 Banbridge Road, Gilford, Craigavon, BT63 6DJ | | Map & Directions |
| Burns Owens & Co Ltd | 028 9077 9342 | | Unit 3 Duncrue Industrial Estate, Duncrue Crescent, Belfast, BT3 9BW | | Map & Directions |
| Window Crafters | 028 8225 1300 | | Omagh Business Complex, Gortrush Industrial Estate, Omagh, BT78 5EJ | | Map & Directions |
| P D W Replacements Ltd | 028 9267 3905 | | Sans Souci Gardens, Lisburn, BT28 3AF | | Map & Directions |
| The Smart Windows Ltd | 028 9147 3444 | | 3 Balloo Link, Bangor, BT19 7HJ | | Map & Directions |
| Hughes & Kee | 028 7184 1636 | | 251 Victoria Road, Bready, Strabane, BT82 0EB | | Map & Directions |
| Balfour Windows | 028 3832 3747 | | 126 Old Kilmore Road, Lurgan, Craigavon, BT67 9JZ | | Map & Directions |
| Northern Windows Ltd | 028 9074 2111 | | 2-6 Cliftonville Road, Belfast, BT14 6JX | | Map & Directions |
| R A C Windows Ltd | 028 9261 1672 | | Yewtree Hill Road, Moira, Craigavon, BT67 0JQ | | Map & Directions |
| Younger Homes Ltd | 028 9023 9991 | | 1 Hall Street, Maghera, BT46 5DA | | Map & Directions |
| Fernisky Frames | 028 2589 8256 | | 3-5 Woodgreen Road, Shankbridge, Ballymena, BT42 3DR | | Map & Directions |
| B K Window Systems | 028 9753 3059 | | 72 Finnis Road, Dromara, Dromore, BT25 2DB | | Map & Directions |
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