PDI Security & Electrical Ltd is your security and electrical installers in Haverfordwest, Pembrokeshire. If you need a team of highly experienced and professional electricians anywhere around the Haverford west area, then look no further than us. We've been providing high quality electrical installations and maintenance that no matter how big or small your request is, our expert team can help. We provide electrical intallations, cctv & access, control alarms & call systems.