| 名称 | 略称 |
| Mckinsey & Company | Mck (マック) |
| Boston Consulting Group | BCG |
| Bain & Company | Bain |
| Booz Allen Hamilton | BAH (ブズ) |
| A.T.Kearney | ATK(蟹) |
| ﾄｰﾏﾂｺﾝｻﾙﾃｨﾝｸﾞ | Deloitte/TC |
| Roland Berger | RB (バーガー) |
| Accenture | Ac(灰汁) |
| 野村総研 | NRI |
| 大和総研 | DIR |
| 三菱総研 | MRI |
| みずほ情報総研 | MHIR |
| Monitor Group | Monitor |
| Arthur.D.Little | ADL(アサリ) |
| Kurt Salmon Associates | KSA(鮭) |
| Mars&Co | Mars(鱒) |
| Corporate Direction | CDI |
| Dream Incubator | DI(ヅラ) |
| XEED | SEX(セクシー度) |
