| 85924244 | NEC | National Fire Protection Association, Inc. | 4484004 |
| 75430457 | NEC | National Fire Protection Association, Inc. | 2286580 |
| 73230069 | NEC | National Fire Protection Association, Inc. | 1165496 |
| 73196458 | NEC | National Fire Protection Association, Inc. | 1148903 |
| 86206007 | NEC | Nippon Denki Kabushiki Kaisha | 4998685 |
| 73061435 | NEC | NIPPON DENKI KABUSHIKI KAISHA | 1070387 |
| 98825673 | NEC | National Electric Coil, Inc. | — |
| 74711077 | NEC | Nippon Denki Kabushiki Kaisha | 2035030 |
| 74487803 | NEC | Nippon Denki Kabushiki Kaisha | 1894079 |
| 74474785 | NEC | Nippon Denki Kabushiki Kaisha | 1908239 |
| 87731126 | NEC | Northeast Conference, Inc. | 5549552 |
| 79394301 | NEC | Nippon Denki Kabushiki Kaisha (NEC Corporation) | 7665783 |
| 73073745 | NEC | NIPPON DENKI KABUSHIKI KAISHA | 1274127 |
| 72188652 | NEC | NIPPON DENKI KABUSHIKI KAISHA | 0964056 |
| 97542864 | NEC | New England Conservatory of Music | 7173986 |
| 74152508 | NEC | Nippon Denki Kabushiki Kaisha | 1688830 |
| 76264086 | NEC | National Electric Coil, Inc. | 2529839 |
| 77944767 | NEC | Nippon Denki Kabushiki Kaisha d/b/a NEC Corporation | 4426981 |
| 75701740 | NEC | Nippon Denki Kabushiki Kaisha | 2355088 |
| 78899484 | NEC | Nippon Denki Kabushiki Kaisha | — |
| 76361251 | NEC | National Extended Care, LLC | 2857228 |
| 74611858 | NEC | National Enzyme Company, Inc. | 2065500 |
| 73414858 | NEC | NIPPON ELECTRONICS CORPORATION OF AMERICA | — |
| 73407545 | NEC | NIPPON ELECTRONIC CORP. OF AMERICA | — |
| 73252546 | NEC | Heavenly Valley | — |
| 73252545 | NEC | Heavenly Valley | — |
| 73229761 | NEC | New Eastern Carpet Co., Inc. | 1155732 |
| 73002506 | NEC | NATIONAL ELECTRIC CONTROL COMPANY | — |
| 72164058 | NEC | N-E-C RADIOS, INC. | 0768118 |
| 72158364 | NEC | NORTHEAST ELECTRONICS CORPORATION | 0792192 |
| 72096720 | NEC | National Engineering Consortium, Inc. | 0712638 |
