| PHILIPS LIGHTING |  |
| GE LIGHTING |  |
| OSRAM |  |
| SYLVANIA LIGHTING INTERNATIONAL |  |
| USHIO |  |
| PERKINELMER |  |
| LIGHT SOURCES |  |
| DURACELL |  |
| LEE FILTERS |  |
| DOUGHTY ENGINEERING |  |
| VOLTARC |  |
| JAMES THOMAS ENGINEERING |  |
| PLASA |  |
