Mindex Ltd
- General chemistry laboratory reagents and equipment.
- http://www.mindex-ltd.co.uk

Markson LabSales
- Laboratory products for chromatography, filtration, glassware and plasticware, refractometry, temperature, water analysis, weighing and pH measurement.
- http://www.markson.com/

Meyer
- Manufacturer and distributor of analytical laboratory and process control instruments.
- http://www.meyer.on.ca/indexee.htm

Millipore Filters
- Filtration and purification products available.
- http://www.millipore.com/ec.nsf/home/

Metrohm
- Potentiometric titrators, voltammetric and polarographic apparatus, Karl Fischer titrators, ion chromatography, meters for pH, conductivity and ion concentration.
- http://www.metrohm.ch/

Macalaster Bicknell Co.
- Scientific instruments, furniture, laboratory equipment, and supplies for clinical, educational, industrial, and research laboratories.
- http://www.mbcoct.com/

MG Scientific
- Distributors of a full line of laboratory equipment for life science, environmental, chemical, pharmaceutical and government labs.
- http://www.mgscientific.com/

MassSupply
- Discounted lab, cleanroom and safety supplies.
- http://www.masssupply.com/