| 3M |
| Airflow Research |
| Alcoa |
| American Drill Bushing |
| Amtrak |
| A.O. Smith |
| Arias Pistons |
| BAE Systems |
| Bechtel |
| Burton Snowboards |
| Cargill |
| Caterpillar |
| Champion |
| Chevron Oil |
| Chromalloy |
| Cobham Defense |
| Con Edison Power |
| Dana Corp. |
| East Kentucky Power |
| Elkay Mfg. |
| Evergreen Airlines |
| Evernham Engines |
| Experior Photonics |
| Federal Signal |
| Fleetwood Enterprises |
| FSU |
| Fluor Corp |
| Ford Performance Racing |
| Fox Valley Energy |
| Franklin Fueling Systems |
| Freightliner |
| GATX Rail Corp. |
| General Mills |
| General Electric (GE) |
| Genlyte Group |
| Georgia Pacific |
| Gillette Racing |
| GKN Aerospace |
| Haas Automation |
| Haven steel |
| Hendrick Motorsports |
| Honeywell |
| Ideal steel |
| Innovation Medical |
| Intercomp |
| International Crankshaft |
| Jet Aviation |
| Jindal Aluminum |
| Johnson Controls |
| KB Racing |
| Kennemetal |
| Keyspan Energy |
| Keystone Automotive |
| Kimball Electronic Lab |
| Kohler |
| Krazy Glue |
| L3 Communications |
| Los Alamos National Labs |
| Lufkin Industries |
| Mack Trucks |
| Mauser Corp |
| Maxitrol |
| Meit Gear Corp. |
| Misco |
| Motorola |
| Nanosolar |
| NC State University |
| NYC Transit |
| Northlake Steel |
| NTN-Bower Corp. |
| Nucor Steel |
| OK State University |
| Parker Hannifin |
| Penske Jasper Engines |
| Penn State University |
| Port Authority of NY/NJ |
| Pratt & Whitney |
| Praxair, Inc. |
| Precoat Metals |
| Quantum Precision |
| Quest Testing Srvcs. |
| Reactive Nano Technologies |
| Reliance Machine |
| Reliant Energy |
| Rocky Mountain Steel Mill |
| Rochester Machine |
| Safety Kleen |
| Saint Gobain Abrasives |
| Sanofi-Aventis |
| Schlumberger |
| Schunk |
| Siemens |
| Stryker |
| Tennessee Gas |
| Thermo-Fisher Scientific |
| Timken |
| Thornapple Steel |
| Thyssen Krupp |
| Toyo Seat |
| Triumph Drilling |
| Turbine Power Solutions |
| Tyco |
| University of Texas-Austin |
| Universal Steel |
| U.S. Army |
| U.S. Navy |
| U.S. Geological Survey |
| U.S. EPA |
| U.S. Tsubaka |
| Virginia Public Utilities |
| Vulcan Materials |