Henderson Fabrications UK Ltd

Highprinciple Ltd

Hillside Product Design Ltd

Hitec Sheet Metal Ltd

HM Technology

Hope Tech Global Ltd

Horiba MIRA Ltd

Horizon Instruments Ltd

Horstman Defence Systems Ltd

Howley Engineering Ltd

HV Wooding Ltd

Icon Aerospace Technology

ICS Robotics & Automation Ltd

IES Engineering

IG Engineering Ltd

Ilmor Engineering Ltd

Inal Metals North Ltd

Inca Geometric Ltd

Independent Technical Services

Industrial Design Consultancy Ltd

Iniveo Ltd

Inoplas Technology

Inspire Design & Development

Institute of Spring Technology

Integral Powertrain