| Martin Resources (Nash, TX)
|
| Matridyne (Troy, MI)
|
| Matrix Scientific (Elgin, SC)
|
| Meherrin (Furman, SC)
|
| Metal Resources (Herndon, VA)
|
| Metalco (Chantilly, VA)
|
| Metco Industries Inc (Saint Marys, PA)
|
| Metric Chemicals (Albemarle, NC)
|
| Micro Chem Corp (Newton Upper Fal, MA)
|
| Midlandresources (Saint Louis, MO)
|
| Miller-Stephenson Chemical Co (Sylmar, CA)
|
| Mil-Spec Industries Inc (Roslyn Heights, NY)
|
| Mineral & Pigment Solutions (South Plainfield, NJ)
|
| Mirror Tech Inc (Reidsville, NC)
|
| Missouri Electrochem Inc (Saint Louis, MO)
|
| Moc Products (Pacoima, CA)
|
| Monsanto (Luling, LA)
|
| Murlin Chemical Inc (Conshohocken, PA)
|
| N C Sales (Omaha, NE)
|
| Nalco Co (Ellwood City, PA)
|
| Nanofilm Inc (Cleveland, OH)
|
| National Starch & Chemical Co (Bridgewater, NJ)
|
| New Chem Inc (Parkton, MD)
|
| Newmarket Corp (Washington, DC)
|
| Newpark Drilling Fluids Llc (Houston, TX)
|
