Renewables Company Index - M
- M Ballard - Poole
- M C Webb & Son Ltd - Newmarket
- M D J Light Brothers (Scrap Processers) Ltd - Lewes
- M Shar - Loughborough
- M Widdup and Sons Ltd - Bradford
- Malbay Waste Disposal - Ilford
- Managed Waste Solutions Ltd - Rugby
- March Landfill Site - March
- Marcus Richardson (Environmental Services) Ltd - Northallerton
- Marmax Products Ltd - Durham
- Matthews Commercial Services Ltd - Swansea
- Mattress Recycling - Chichester
- May Gurney Ltd (Bristol) - Bristol
- May Gurney Ltd (York) - York
- McLay and Co - Cork
- Melksham Metal Recycling & Waste Services - Melksham
- Melton Mowbray Tyre Recycling Ltd - Melton Mowbray
- Metropolitan Waste Management - Erith
- Mg Designs - Brentford
- Milestone Design Ltd - Ilkley
- Mint Copies - Stockport
- MJ Bentley - Stafford
- Monckton Rubber Techologys - Sheffield
- Multiprint and Embroidery Ltd - Derby