| 250Q-CL-DC | 58854 | GTE PRODUCTS CORP LIGHTING PRODUCTS GROUP |
| ESS | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| Q250CL/DC-120V | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| Q250CL/QC-120V | 08108 | LAMP INDUSTRY FOR USE WITH INDUSTRY DESIGNATIONS AND ABBREVIATIONS FOR LAMPS |
| Q250CL/DC-120V | 08805 | GENERAL ELECTRIC COMPANY DBA GE |
| Q250CLDC250W120V | 08806 | GENERAL ELECTRIC CO MINIATURE LAMP PRODUCTS DEPT LIGHTING BUSINESS GROUP |
| WL1080 | 80149 | CALUMET PHOTOGRAPHIC, INC. |