Microtek Laboratories, Inc.
Specialize in the development and application of microencapsulation technologies for industrial markets with a focus on water-soluble, reactive chemicals and phase change materials.
http://www.microteklabs.com/

Mitsubishi Gas Chemical America, Inc.
Commodity and natural gas chemical synthesis.
http://www.mgc-a.com/

Mintech Chemical Industries
Manufacturers and suppliers of speciality chemicals.
http://www.mintechchemical.com.au/

Mitsui Chemicals America, Inc.
Manufacturer of chemicals and intermediates, specialty polymers and engineering plastics, functional materials, electronic materials, and admer adhesive resin.
http://www.mitsuichemicals.com/

Marcus Oil and Chemical
Leader in wax technology innovation.
http://www.marcusoil.com/

Mitco, Inc.
Custom specialty chemical manufacturer based in Grand Rapids, Michigan. Servicing manufacturing industries, Mitco provides technical expertise and chemical based solutions for boilers, cooling systems, waste water, specialty cleaning and sanitizing, paper process additives, and dust control.
http://www.mitcoinc.com/

Mann Formulated Products
Manufactures release agents and surface treatments used in the mold making process by artists, industry, prototypers and casters around the world.
http://www.mann-release.com/

Micro Powders, Inc.
Supplier of specialized micronized waxes, wax dispersions and emulsions to the printing ink industry.
http://www.micropowders.com/

Miswa Chemicals Ltd.
Manufactures Polygard and Polytech brand chemicals.
http://www.miswa.co.uk

Martin Marietta Magnesia Specialties Inc.
Provider of high purity magnesium oxide based products for environmental, industrial, nutritional and agricultural applications. Specialty products include flame retardants, fuel additives, refractories (steel production), dust suppressants, wastewater treatment chemicals.
http://www.magspecialties.com/

MercaChem
Manufacturer of custom organic chemical compounds including building blocks, scaffolds and synthons for combinatorial chemistry or further synthesis,compounds or analogues for lead discovery or optimization, and reference compounds such as metabolites or impurities for process validation.
http://www.mercachem.com

Millennium Chemicals
Supplier of raw inorganic and organic materials and product that complement coatings, colorings, reactants and intermediates, polymers and pigments industries. Products sorted by family type and industry.
http://www.millenniumchem.com/

Mare Group
Manufacturer of industrial chemicals, detergents, and adhesives, headquartered in Italy. Markets include the papermaking, detergent, petroleum, ceramics, food, and water treatment industries.
http://www.maregroup.com/

MacKenzie Corporation
Producer of acetyl acetonates of various metals, dimethylglycine, and photoconductors, also offering custom chemical production. Located in Louisiana.
http://www.mackenziechem.com

3M
Technologies include abrasives, adhesives, non-woven fibers, films, precision coatings, fluorochemicals, ceramics, optics and microstructured surfaces. Maplewood, Minnesota.
http://www.3m.com/