| A.H. Lumdberg Associates, Inc. | Kalama Chemical | 
| A.H. Lundberg Equipment Ltd. | Monsanto Corp. | 
| APV | MPD | 
| Areva NP | Olin | 
| Bechtel National | Oregon Metallurgical | 
| Boise Cascade Corp. | Framatone ANP | 
| Borden Chemical | Swenson | 
| Cal Energy | T-Thermal Corp. | 
| Anhydro Corporation | Weyerhaeuser Inc. | 
| Dow Chemical | Willamette Industries | 
| Emerald Kalama, Inc. | HPD LLC | 
| Fluor-Danial | |
| GE Tonics | |
| Georgia Pacific Corp. |