| 99441045 | IES SPECTRAL DATA IES LM-79 | Illuminating Engineering Society | — |
| 99441015 | IES PHOTOMETRY IES LM-79 | Illuminating Engineering Society | — |
| 99440989 | IES LUMEN MAINTENANCE IES LM-80 | Illuminating Engineering Society | — |
| 78470705 | IES | Illuminating Engineering Society | 3156193 |
| 87336529 | STREET AND AREA LIGHTING CONFERENCE | Illuminating Engineering Society | 5299976 |
| 87336499 | SALC | Illuminating Engineering Society | 5281167 |
| 78470854 | LD+A | Illuminating Engineering Society | 3034923 |
| 78470711 | I·E·S | Illuminating Engineering Society | 3238824 |
| 78470859 | IES | Illuminating Engineering Society | 3062552 |
| 88839157 | LIGHTING LIBRARY | Illuminating Engineering Society | 6258477 |
| 87540616 | ILLUMINATING ENGINEERING SOCIETY | Illuminating Engineering Society | 5422401 |
| 87540570 | IES | Illuminating Engineering Society | 5401311 |
| 90083640 | IMPROVING LIFE THROUGH QUALITY OF LIGHT | Illuminating Engineering Society | 7360761 |
| 90081423 | LIGHT FOR LIFE | Illuminating Engineering Society | 6631222 |
| 75449503 | THE LIGHTING AUTHORITY | Illuminating Engineering Society | 2322331 |
| 78441781 | LEUKOS THE JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY OF NORTH AMERICA | Illuminating Engineering Society | 3154880 |