Leemark Engineering (Hayes) Ltd

LF King & Sons Ltd

Liberty Pressing Solutions

Linfield Precision Engineering Ltd

Livingston Precision Engineering Ltd

Llewellins Gears

Logitech Electronics Ltd

Longfield Designs Ltd

Lordgate Engineering Ltd

LS Electronics Group Ltd

Lymington Precision Engineers Co Ltd

Lyndhurst Precision Engineering Ltd

M&M Fabrications Ltd

MacDonald Humfrey (Automation) Ltd

Magenta Electronics Ltd

MAHLE Powertrain Ltd

Maltron International Ltd

Manchester Precision Engineering

Mantracourt Electronics Ltd

Manufax Engineering Ltd

Mason & King Ltd

Mass

Matrix Engineering Ltd

Maylan Ltd

MCS Control Systems Ltd