| J W & E Morris & Son Ltd | 01633 892542 | | Tregwilym Industrial Estate, Rogerstone, Newport, NP10 9YA |  Map & Directions |
| Knight & Long | 01495 247776 | | 11 The Hollies, Croespenmaen, Crumlin, Newport, NP11 3LR | | Map & Directions |
| Galloway Electrical | 01495 211462 | | 69 Commercial Road, Aberbeeg, Abertillery, NP13 2AE | | Map & Directions |
| L S Design Ltd | 01633 862500 | | 91 Woodland Road, Croesyceiliog, Cwmbran, NP44 2DX | | Map & Directions |
| Blenheim E M C | 01495 201118 | | Unit 34, Nine Mile Point Industrial Estate, Cwmfelinfach, Ynysddu, Newport, NP11 7HZ | | Map & Directions |
| P & P Electrics Ltd | 01633 246370 | | Church Street, Newport, NP20 2TW | | Map & Directions |
| Powerlink Electrical Services | 01495 313400 | | Unit 2, Barleyfield Industrial Estate , Barleyfield Way, Nantyglo, Ebbw Vale, NP23 4LU | | Map & Directions |
| Safelec Ltd | 01633 614732 | | 4 Woodview Road, Risca, Newport, NP11 6QJ | | Map & Directions |
| J W Bowkett Electrical Installations Ltd | 01633 254222 | | 2a Rugby Road, Newport, NP19 0BS | | Map & Directions |
| The Power Service | 01633 875249 | | 62 Oaklands View, Greenmeadow, Cwmbran, NP44 5EE | | Map & Directions |
| Spectrum Electronic Services | 01633 431555 | | Caerleon Road, Ponthir, Newport, NP18 1GZ | | Map & Directions |
| Aarnford Electrical Services Ltd | 01495 221022 | | 54 Cae Collen, Blackwood, NP12 1FF | | Map & Directions |
| J W Fisher Electrical Services Ltd | 01291 629140 | | Loop Road, Beachley, Chepstow, NP16 7HE | | Map & Directions |
| Technic Electrical Ltd | 01633 871160 | | Unit 47, Court Road Industrial Estate, Cwmbran, NP44 3AS | | Map & Directions |
| Testwork Wales | 01633 863863 | | Unit 308, Springvale Industrial Estate, Woodside Way, Cwmbran, NP44 5BR | | Map & Directions |
| Blackwood Emc Ltd | 01495 229219 | | Unit 8, Woodfieldside Business Park, Penmaen Road , Pontllanfraith, Blackwood, NP12 2DG | | Map & Directions |
| Skanska Rashleigh Weatherfoil Ltd | 01633 615910 | | Dan-Y-Graig, Risca, Newport, NP11 6DP | | Map & Directions |
| Whitehead Electrical Co Ltd | 01633 216511 | | Unit 7a, Maesglas Retail Park, Newport, NP20 2XF | | Map & Directions |
| Pontypool Electrics | 01495 762828 | | 61 Blaendare Road, Pontypool, NP4 5RY | | Map & Directions |
| L J Samuel | 01495 225097 | | 7 Brynhyfryd, Pontllanfraith, Blackwood, NP12 2BP | | Map & Directions |
| Farnwing Contracts Ltd | 01495 774988 | | High Street, Abersychan, Pontypool, NP4 7AG | | Map & Directions |
| Troy Electrical | 01495 350500 | | Riverside, Beaufort, Ebbw Vale, NP23 5NT | | Map & Directions |
| D P Dennehy | 01495 725402 | | Tre Maen, Nantybwch, Tredegar, NP22 3BB | | Map & Directions |
| Tecscan Electronics Ltd | 01443 821552 | | Unit 10/11, St. Davids Industrial Estate, Pengam, Blackwood, NP12 3SW | | Map & Directions |
| Anstee & Ware Ltd | 01633 869141 | | Unit 15, Springvale Industrial Estate, Cwmbran, NP44 5BA | | Map & Directions |
| Fosse Electrical | 01633 271420 | | White Gates, Goldcliff, Newport, NP18 2AU | | Map & Directions |
| Blackwood Electrical | 01495 227909 | | 28 Bridge Street, Blackwood, NP12 1AX | | Map & Directions |
| Analogue & Micro | 01633 666787 | | Clytha Park Road, Newport, NP20 4PB | | Map & Directions |
| Jay Electrical | 01495 201474 | | 40 High Street, Ynysddu, Newport, NP11 7JH | | Map & Directions |
| Advanced Power Solutions Ltd | 01633 262917 | | Norbulk Terminal, Alexandra Dock, Newport Dock, Newport, NP20 2NQ | | Map & Directions |
| L R Harries Associates Ltd | 01291 423417 | | 9 Wentwood View, Caldicot, NP26 4QG | | Map & Directions |
| Time Electrical | 01291 620856 | | Bulwark Road , Bulwark, Chepstow, NP16 5JQ | | Map & Directions |
| Phillips Electrical & Plumbing Ltd | 01495 791241 | | 85 Broad Street, Blaenavon, Pontypool, NP4 9NF | | Map & Directions |
| Cain Electrical Ltd | 01633 250177 | | Unit 4, Herbert Road, Newport, NP19 7BH | | Map & Directions |
| Thomas Brown Electrical Ltd | 01600 712737 | | Southfield, Rockfield Road, Monmouth, NP25 5BA | | Map & Directions |
| Weeks Chris | 01633 421390 | | Greenmeadow Bungalow, Candwr Road, Ponthir, Newport, NP18 1HU | | Map & Directions |
| Systems Power Engineering Ltd | 01633 612766 | | Newport Road, Suflex Estate, Risca, Newport, NP11 6YD | | Map & Directions |
| Westward Electrical Services | 01633 257205 | | 1 Fairoak Avenue, Newport, NP19 8FX | | Map & Directions |
| T K P Electronics Ltd | 01443 831052 | | Unit H5, Pengam Road, Britannia Centre For Enterprise, Pengam, Blackwood, NP12 3SP | | Map & Directions |
| Mar Electronics | 01495 220660 | | Unit 36, Penmaen Road, Small Business Centre, Pontllanfraith, Blackwood, NP12 2DZ | | Map & Directions |
| X E D | 01600 750505 | | Little White House, Newcastle, Monmouth, NP25 5NF | | Map & Directions |
| Ace Electrical Contracting Co Ltd | 01291 672032 | | 54 Mill Street, Usk, NP15 1AW | | Map & Directions |
| C H & C M Owers | 01873 855666 | | Pant Skirrid, Llantilio Pertholey, Abergavenny, NP7 8AU | | Map & Directions |
| High Cross Electrical Ltd | 01633 216897 | | 4a West Market Street, Newport, NP20 2AU | | Map & Directions |
| A J Powell | 01600 715228 | | Llangattock Cottage, Llangattock, Monmouth, NP25 5NG | | Map & Directions |
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