- Ballykine Structural Engineers Ltd (Address: 51 Lisburn Rd, Ballynahinch BT24 8TT)Location: LisburnCategory: Engineering
- Pressure Test Services Ltd (Address: Vusgrave Park Industrial Estate, Stockmans Way, Belfast BT9 7JU)Location: LisburnCategory: Engineering
- Integrated Services Design (Address: Glenbank, 720, Crumlin Rd, Belfast BT14 8AD)Location: LisburnCategory: Engineering
- Marlborough Engineering Ltd (Address: 67 Sydenham Rd, Belfast BT3 9DJ)Location: LisburnCategory: Engineering
- McGreevy Engineering (Address: Maryland Industrial Estate, 280, Ballygowan Rd, Newtownards BT23 6BL)Location: LisburnCategory: Engineering
- Waterman Transport & Development Ltd (Address: Belfast Business Centre, Cathedral House, 23-31, Waring St, Belfast BT1 2DX)Location: LisburnCategory: Engineering
- Cogan & Shackleton Consulting Engineers (Address: 195 York Rd, Belfast BT15 3HB)Location: LisburnCategory: Engineering
- CEI Collins Engineers Ltd (Address: The Innovation Centre, Northen Island, Belfast BT3 9DT)Location: LisburnCategory: Engineering
- Caldwell Consulting (Address: Unit 6, Forest Grove Business Park, Newtownbreda Road, Belfast BT8 6AW)Location: LisburnCategory: Engineering
- Amey Consulting (Address: 46 Rushmere House, Cadogan Park, Belfast BT9 6HH)Location: LisburnCategory: Engineering
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