Harwin plc

Hatton Metalcraft

Haughton Design Ltd

Hawco Ltd

Haydale Composite Solutions Ltd

HB Technologies Ltd

Hectronic AB

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