- Smith Grant LLP - Wrexham
- SPi Global Play Ltd - Wrexham
- Steni - Wrexham
- Taurus UK - Wrexham
- Techlab Services - Wrexham
- Tenax UK Ltd - Wrexham
- Terrier Tools - Wrexham
- Terrier Tools Ltd - Wrexham
- Toolpak - Wrexham
- Top Mark Uniforms - Wrexham
- Total Hair And Beauty Supplies Ltd - Wrexham
- Treadstone Products - Wrexham
- Tycon Automation Ltd - Wrexham
- UK Engineering - Wrexham
- Ventsafe UK - Wrexham
- WD Stant Ltd - Wrexham
- Wockhardt UK Ltd - Wrexham
- Wrexham Electrical Repairs Ltd - Wrexham
- Wrexham Mineral Cables - Wrexham
- Wrexham Power Tool Services - WREXHAM
Companies 101 to 120
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