R C Engineering N I Ltd
85 Sixtowns Road, Draperstown, Magherafelt, County Londonderry, BT45 7BB
Tir-con Engineering Ltd
31 Tirgan Road, Moneymore, Magherafelt, County Londonderry, BT45 7RZ
R C D S N I Ltd
C10 Rainey Street, Magherafelt, County Londonderry, BT45 5AJ
Arcon Engineering
75 Old Portglenone Road, Ahoghill, Ballymena, County Antrim, BT42 1LQ
Storm-tec Services Ltd
Units 2-3 Drumrainey Business Park, Grange Road, Magherafelt, County Londonderry, BT45 5EL
Four Dee Ni Ltd
Unit 10 Station Road Industrial Estate, Station Road, Magherafelt, County Londonderry, BT45 5EY
C-tec Commercial Vehicle Engineering
Unit 5 Station Road Industrial Estate, Station Road, Magherafelt, County Londonderry, BT45 5EY
Selfridge Engineering
94 Mullagh Road, Maghera, County Londonderry, BT46 5DW
Crabtree Engineering
3 Battery Road, Cookstown, County Tyrone, BT80 0HW
Duggan Engineering
6 Carnaman Road, Knockloughrim, Magherafelt, County Londonderry, BT45 8PN
Gault Engineering
187 Largy Road, Ahoghill, Ballymena, County Antrim, BT42 2RH
Structures 2000 Ltd
9 Grange Park, Magherafelt, County Londonderry, BT45 5RT
Anthony O'Neill
8 Grange Road, Magherafelt, County Londonderry, BT45 5EL
Northern Engineering Ltd
131 Drumaney Road, Arboe, Dungannon, County Tyrone, BT71 5BD
T W Engineering
19 Grange Road, Cookstown, County Tyrone, BT80 8SB
James Crabbe Engineering
55 Craignageeragh Road, Ahoghill, Ballymena, County Antrim, BT42 1LX
Henry Brothers (Magherafelt) Limited
108 114 Moneymore Road, Magherafelt, Magherafelt, County Londonderry, BT45 6HJ
Tonagh Engineering Ltd
11a Strawmore Road, Draperstown, Magherafelt, County Londonderry, BT45 7JE
Landslide Engineering Ltd
16 Cloane Road, Draperstown, Magherafelt, County Londonderry, BT45 7LW
Cran-fab Engineering
7 Bancran Road, Draperstown, Magherafelt, County Londonderry, BT45 7DT