| Ng David Way ( Redwood City, CA ) | NGI ( Oslo, NO ) | NGK Insulators ( Aichi-prefecture, JP ) |
| Ng Edward ( Cambridge, MA ) | NGI ApS( Norresundby ) | NGK Insulators( Nagoya ) |
| Ng Wing Hok( Hong Kong ) | nGimat Co. ( Atlanta, GA ) | NGK Insulators ( Nagoya, JP ) |
| Ng Yiu Wing ( Hong Kong, HK ) | nGimat, Co. | NGK INSULATORS , LTD. ( Minato-ku, Tokyo, JP ) |
| Ng; Wing Hok( Hong Kong ) | nGimat, Co. ( Atlanta, GA ) | NGK Insulators Ltd ( Aichi-Prefecture, JP ) |
| Ngai Keung Metal Plastic Manufactory Limited ( Tsimshatsui East Kowloon, CN ) | NGK Adrec Co., Ltd. | NGK Insulators Ltd ( Nagoya, JP ) |
| Ngai Keung Metal Plastic Manufactory Ltd.( Hong Kong ) | NGK Adrec Co., Ltd. ( both of, JP ) | NGK Insulators Ltd ( Nagoya-city, Aichi-prefecture, JP ) |
| Ngai Luen | NGK Indulators, LTD | NGK Insulators Ltd. |
| nGame Limited( Cambridge ) | NGK Industries, Ltd.( Nagoya ) | NGK Insulators Ltd. ( Aichi, JP ) |
| NGB Corporation( Tokyo ) | NGK Industries, Ltd.( Naogya ) | NGK Insulators Ltd. ( Aichi-prefecture, JP ) |
| NGC CORPORATION ( Izumisano-shi, JP ) | NGK Insulations, Ltd. | NGK Insulators Ltd.( Nagoya ) |
| NGC CORPORATION ( Osaka-shi, JP ) | NGK INSULATIORS, LTD. ( Nagoya-city, JP ) | NGK Insulators Ltd. ( Nagoya, JP ) |
| NGC Worldwide Inc. ( Fairfield, CT ) | NGK Insulator, Ltd. ( Aichi-Prefecture, JP ) | NGK INSULATORS LTD. ( NAGOYA-CITY, JP ) |
| NGC Worldwide, Inc. | NGK Insulator, Ltd.( Nagoya ) | NGK Insulators, Inc( Nagoya ) |
| NGEE ANN POLYTECHNIC | NGK Insulator, Ltd. ( Nagoya, JP ) | NGK Insulators, Inc. |
| Ngee Ann Polytechnic( Singapore ) | NGK Insulator, Ltd. ( Nagoya City, JP ) | NGK Insulators, Inc.( Nagoya ) |
| NGEN PHARMACEUTICALS N.V. ( Kaya Richard Ji Beaujon z/n, Curacao, AN ) | NGK Insulator, Ltd. ( Nagoya-City, JP ) | |
|