| American Architectural Manufacturers Association |
| Bonneville Power Authority |
| California Community Services Department |
| California Department of General Services |
| California Department of Health Services |
| California Public Utilities Commission |
| Electric & Gas Industries Association
|
| Electronic Data Systems (EDS) |
| GTE |
| Maximus, Inc. |
| Metropolitan Water District of Los Angeles |
| Pacific Bell |
| Pacific Gas & Electric Company |
| Sacramento Metropolitan Utility District |
| San Diego Gas & Electric Company |
| San Diego Housing Commission |
| Sierra Pacific Power Company |
| Southern California Gas Company |
| Southwest Gas Corporation |
| United States Department of Energy |
| |
