M&M Fabrications Ltd

Macaw Engineering Ltd

MacDonald Humfrey (Automation) Ltd

Magenta Electronics Ltd

Magnetic Shields Ltd

MAHLE Powertrain Ltd

Main Systems Ltd

Maltron International Ltd

Manchester Precision Engineering

Manhattan Skyline Ltd

Mantracourt Electronics Ltd

Manufax Engineering Ltd

Mason & King Ltd

Mass

Materials Testing & Technical Services Ltd

Matrix Engineering Ltd

Maylan Ltd

MBtech Emc GmbH

MCS Control Systems Ltd

MDC Vacuum Ltd

MDL Technologies Ltd

MECI Ltd

Meden Vale Engineering Co Ltd

Medtec Design Services

Meggitt Polymer & Composites

Megitt Polymers & Composites Ltd

Membrane Keyboard Co Ltd

Mentor Graphics (UK) Ltd

Mentratech Ltd

Mezzanine Floor Co Ltd

MFG.com

Micrel Semiconductor (UK) Ltd

Micro Matic Ltd

Microchip Ltd

Microdex Ltd

Microlise Ltd

Mid Anglia Engineering Ltd

Midland Metrology Ltd

Midland Tank & Ironplate Co Ltd

Mike Davies Electronics

Millbrook Proving Ground Ltd

Minima Design Ltd

Mintra Ltd

MJ Metalcraft Ltd

Mobica Ltd

Mono Equipment

Morgan Innovation & Technology Ltd

Motor Parts Direct

MouldCAM

Mountfield CNC Ltd