Grinding Ball Manufacturers
| Jet Abrasives Inc (Los Angeles, CA) |
| John A Krieg Co Inc (West Chester, PA) |
| Johnson Abrasives Co Inc (Jaffrey, NH) |
| Jowitt & Rodgers Co (Philadelphia, PA) |
| K & W Grinding (Perrysburg, OH) |
| Kapp Tech (Boulder, CO) |
| Kasco Abrasives (Coldwater, MI) |
| Kay Dia Products Llc (Boca Raton, FL) |
| Keen-Edge Co Inc (Atlanta, GA) |
| Keen-Kut Abrasive Co (Fullerton, CA) |
| Keystone Abrasives Co (Reading, PA) |
| Kinik Corp (Anaheim, CA) |
| Koi Siferd-Hossellman Co (Lima, OH) |
| L R Oliver & Co Inc (Marine City, MI) |
| Land & Sea Security Systems (Milford, CT) |
| Landis Gardner (Grand Island, NY) |
| Leaders Manufacturing Inc (Willmar, MN) |
| Lexington Abrasive Belts (Lexington, NC) |
| Lippert Abrasives (Reynoldsburg, OH) |
| Los Angeles Diamond Tool Inc (Santa Fe Springs, CA) |
| M C Carbide Tool Co (Plymouth, MI) |
| Marathon Abrasive Co Inc (Chester, SC) |
| Marquis Diamond Products (Painesville, OH) |
| Marvel Abrasive Products Inc (Chicago, IL)
Manufacturer |
| Master Die & Engineering (Grand Rapids, MI) |
