Procter Brothers

Product Assessment & Reliability Centre Ltd

Propak Sheet Metal Ltd

Proto Design Ltd

Protool Precision Engineering

Protronix EMS

Pulsonix

PW Circuits Ltd

Pyramid Tool & Die Co

QED Design & Manufacture Ltd

Qualtech Ltd

Quantek Ltd

Queens University Belfast

R Gorton & Associates (Electronics) Ltd

R&D Clarke Precision Engineers Ltd

RA Frisby

Radix Electronic Design Ltd

Raicam Clutch Ltd

Rainford Solutions Ltd

Ram Power Ltd

Randle Engineering Solutions Ltd

Ranger Instruments

Rapid Electronics Ltd

Rapitypes Ltd

Rayfast Ltd

RDM Group

Red Arete Ltd

Reddiroll Ltd

Redmayne Engineering Ltd

Redsoul Design Ltd

Reevite Industrial Mouldings Ltd

Reflex Technology Ltd

Reliance Precision Ltd

Resolution Data Management Ltd

Resonates SLM Ltd

Retrac Productions Ltd

Revolve Technologies Ltd

RF Solutions Ltd

RF3 Design Ltd

RFI Control Services

RFI Screening

Rhopoint Metrology Ltd

Ricardo UK Ltd

Ricardo UK Ltd

Ricardo-AEA

Ricco Associates Ltd

RINA Consulting

Ringwood Precision Engineering

Ripcord Designs Ltd

Ripley Engineering Ltd