- Norrard Electrics
- 01646 692125 - The Docks, Milford Haven, Dyfed, SA73 3AU
- Arbel Electronics
- 01437 532266 - Dyffryn Rosebush, Rosebush, Clynderwen, Dyfed, SA66 7RH
- Barrack & Rees
- 01437 765637 - Cheriton Park Cnr Rd, Haverfordwest, Dyfed, SA61 2XA
- Barrack & Rees
- 0845 3736600 - 13 Springfield Close, Haverfordwest, Dyfed, SA61 2QL
- P Brace
- 01834 849039 - Plot, 9 Haytor Gardens, Tenby, Dyfed, SA70 8HW
- D E Phillips & Sons
- 01994 419637 - Tanybryn, Glandwr, Whitland, Dyfed, SA34 0UA
- D J Electrics
- 0870 8148359 - 6 Scurlock Drive, Neyland, Milford Haven, Dyfed, SA73 1PJ
- D & S Electrical Services
- 01646 695275 - George Street, Milford Haven, Dyfed, SA73 2AY
- D & S Electrical Services
- 01646 692116 - George Street, Neyland, Milford Haven, Dyfed, SA73 1RR
- E & C Rewinds
- 01646 661278 - Merrion, Pembroke, Dyfed, SA71 5HT
- H.L Fielding
- 01646 622598 - 1 Haven Wkshps Pier Rd, Hobbs Point, Pembroke Dock, Dyfed, SA72 6TR
- Bob Fowler
- 01437 890541 - 48 Lower Quay Road, Hook, Haverfordwest, Dyfed, SA62 4LR
- John Gwilliam
- 01437 891556 - The Green, Tiers Cross, Haverfordwest, Dyfed, SA62 3ES
- Havenkey
- 01834 861419 - Haven Ho Station Approach, Narberth, Dyfed, SA67 8TY
- Lightning Electrical Construction
- 01646 695657 - Elf Oil Refinery, Milford Haven, Dyfed, SA73 3JD
- E Morgan
- 01834 860855 - 14 Spring Gardens, Narberth, Dyfed, SA67 7BT
- Morgans Electrical Contracts
- 01834 844913 - 2 Glenview Crescent, Tenby, Dyfed, SA70 8JB
- Neyland Marine Services
- 01646 698968 - The Docks, Milford Haven, SA73 3AF
- Neyland Marine Services Ltd
- 01646 698968 - The Docks, Milford Haven, Pembrokeshire, SA73 3DJ
- Phil Davies Electrical Services
- 01437 769749 - 7 Greenfield Close, Haverfordwest, Dyfed, SA61 2QJ
- Phil Owen Electrical
- 01437 764040 - Thistle Trdg Co Withybush Trdg Est, Haverfordwest, Dyfed, SA62 4BS
- G & J.M Phillips
- 01994 241015 - Caerdaf Spring Gdns, Whitland, Dyfed, SA34 0HR
- Pi Logic
- 01994 448701 - Gellidogin, Cwmfelin Boeth, Whitland, Dyfed, SA34 0RU
- Rite Konnection Electrical Contractors
- 01646 690449 - Unit 1 Havens Head Bsns Pk, Havens Head, Milford Haven, Dyfed, SA73 3QH
- Safe Electrical
- 01834 814944 - Glenpines Rushylake, Saundersfoot, Dyfed, SA69 9NY
- Sherman Electrical
- 01437 710810 - Deerlands, Camrose, Haverfordwest, Dyfed, SA62 6HN
- Smith & Jones Electrical
- 01437 776767 - Unit 15 Withybush Trdg Est, Haverfordwest, Dyfed, SA62 4BS
- Switch Electrical
- 01646 697898 - The Gallery Precinct, 25-27 Charles Street, Milford Haven, Dyfed, SA73 2AA
- JA Wadia Electricians
- 01834 813247 - Laverock, Kilgetty, SA68 0RA
- Ivor Rees and Sons
- 01437 532326 - The Mill Maenclochog, Clunderwen, SA66 7RH
- Hilling & Allen
- 01834 842321 - North Astridge, Tenby, Dyfed, SA70 8RE
- J A Electrical Contractors
- 01646 697300 - Willowbrook Cottage, Rickeston, Milford Haven, SA73 3TH
- Electrical Contractors P.Brockway Electrical
- 01646 622306 - Unit 13, Llannion Park Industrial Estate, Richmond Road, Pembroke Dock, Dyfed, SA72 6TZ
- JA Wadia Electricians
- 01834 813247 - Laverock Templebar Road, Pembrokshire, SA68 0RA
- Preselilec Electrical Contractor
- 0800 0855998 - Buckette Farm, Letterston, Pembrokeshire, SA62 5TL