Precision Engineers (Pontefract) Ltd

Precision Microdrives Ltd

Precision Refrigeration Ltd

Preconomy Ltd

Premier Electronics (UK) Ltd

Presspart Manufacturing Ltd

Prism Electronics Ltd

Prism Media Products Ltd

Prizehawk Ltd

Probe Design Solutions

Protool Precision Engineering

Protronix EMS

Pyramid Tool & Die Co

Qualtech Ltd

Quantek Ltd

Queens University Belfast

R Gorton & Associates (Electronics) Ltd

R&D Clarke Precision Engineers Ltd

RA Frisby

Radix Electronic Design Ltd

Ram Power Ltd

Randle Engineering Solutions Ltd

Rapitypes Ltd

RDM Group

Red Arete Ltd

Reddiroll Ltd

Redsoul Design Ltd

Reliance Precision Ltd

Resonates SLM Ltd

Retrac Productions Ltd

Revolve Technologies Ltd

RF3 Design Ltd

RFI Control Services

Ricardo UK Ltd

Ricardo UK Ltd

Ricco Associates Ltd

RINA Consulting

Ringwood Precision Engineering

Ripcord Designs Ltd

Ripley Engineering Ltd

RJ Associates

RJ Lewis Design Ltd

RLE International Product Development

RN Electronics Ltd

Road Gas Ltd

Robinson Pattern Equipment Ltd

Rocolec Ltd

Rolton Group Ltd

Ross Architectural Manufacture

Rota Design Ltd