| Arizona Public Service |
| Digital Equipment Corporation |
| El Paso Electric Company |
| Iridium North America |
| MPC Mitsubishi Pure Chemical |
| Motorola Chemical Processing Facility |
| Motorola Computer Group |
| Motorola Semiconductor |
| National Processing Company |
| SRP - Navajo Generating Station |
| Arch Chemicals |
| Olympian Labs |
| Phoenix Telecom |
| Salt River Project Power Operations Center |
| Southwest
Gas Company Data Processing Operations |
| Sundrella Casual Furniture |
|
Technology & Industrial |
