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

Integrated Electronics Ltd

Interactive Manufacturing Ltd

Intertek Transportation Technologies

Intrasys Design Ltd

Ipeco Electronics

Iterign Ltd

Jetway Associates Ltd

JIS Electronics Ltd

JM Associates

JM Grail (General Engineering) Ltd

JND Consulting

JS Tool & Gauge Co Ltd

Jubilee (Electronics) Ltd

Katron Precision Engineering Ltd

KayGee Engineering Ltd

KDP Electronic Systems Ltd

Kelvinside Electronics

Kent Precision Tooling

Key-Tech (Scotland) Ltd

Kirkheaton Engineering Co Ltd

Kirkstall Precision Ltd

L3 Harris

LA Engineering Belper Ltd

Larchfield Engineering (UK) LLP

Lee-Dickens Ltd